Science Question/Answer for Primary Level Students

General Knowledge Science Question/Answer for Primary Level Students

Quiz or General Science Question/Answer for Primary Level Students...

1. The baby of a chicken is called a?
chick
2. How many stages does the life cycle of a butterfly have?
four
3. A frog lays eggs on/in?
water
4. A butterfly’s egg hatches into a?
caterpillar
5. A frog’s egg hatches into a?
tadpole
6. A caterpillar turns into a?
pupa
7. For how many days does a hen sit on eggs?
21
8. The life cycle of a chicken starts from a/an:
egg
9. A tadpole looks like a:
fish
10. Animals pass through different stages of life known as a/an:
life cycle
11. Which of the following is not part of the life cycle of a butterfly?
leaf
12. Which body part is not present in an adult frog?
tail
13. How many stages does the life cycle of a frog have?
5
14. An adult male chicken is also called a:
Rooster
15. An adult butterfly has _________ to fly with.
wings
16. A butterfly larva is called a caterpillar. In its next stage, what happens to the caterpillar?
It changes into a chrysalis
17. A young plant looks like:
parent plant
18. Which of the following is not required for a seed to grow?
electricity
19. The life cycle of a flowering plant starts from a:
seed
20. A sunflower blossom on a/an:
adult plant
21. An adult sunflower plant grows in how many stages?
four
22. The process in which a seed begins to grow is called:
germination
23. A seed grows into a/an:
seedling
24. The bud in a sunflower grows at the top of _______:
the stem
25. The bud turns into a:
stem
26. Which plant is produced by grafting?
rose
27. Stems of two different plants are jointed together in which process?
grafting
28. The seed of a sunflower is inside the:
flower
29. A ____________ shows how a living thing grows, changes and makes new living
things.
life cycle
30. Plant eating animals are called:
herbivores
31. Flesh eating animals are called:
carnivores
32. Animals that eat both plants and flesh of other animals are called:
omnivores
33. Carnivores have which type of teeth?
pointed and sharp
34. Which of the following groups does a fox belong to?
omnivore
35. Animals get energy from _______ to grow:
food
36. Animals take their food from:
living things
37. In how many groups are animals placed based on their diets?
3
38. The following are herbivores except the:
Lion
39. Herbivores have which type of teeth?
flat and broad
40. Which of the following is a carnivore?
lion
41. Carnivores chew their food with _________ teeth.
grinding
42. Which of the following is not an omnivore?
cat
43. Omnivores have sharp and ________ teeth.
flat
44. Humans belong to which group?
omnivores
45. Which group does a shark belong to?
carnivore
46. A bear is a/an:
omnivore
47. A zebra belongs to which group?
herbivore
48. Which of the following is a set of herbivores?
cows, horse and goats
49. Food provides us with:
energy
50. Food is divided into food groups based on:
nutrients
51. Food that has a proper quantity from each food group is called:
balanced diet
52. Which of the following is required in moderate quantity?
meat and dairy
53. How many times should we take meals a day?
three
54. Food from which group should we eat the most?
grains
55. Which food is rich in proteins?
meat and dairy
56. Which food should be taken in least quantity?
fats and oils
57. Which of the following is not a regular meal?
brunch
58. We should have bread, egg, milk and juices for:
breakfast
59. Our body do less physical activity after:
dinner
60. Which of the following is not a food group?
snacks
61. We should sleep for how many hours at night?
6 to 8
62. A good night sleep makes our mind:
relaxed
63. Which of the following is not a healthy exercise?
watching television
64. The diagram below shows a model used to help people make healthful food choices.
Which good health habit is encouraged by this model?
eating a balanced diet
65. Cleaning our body keeps us away from:
disease
66. Our bones and muscles become active and strong by:
doing exercise
67. What should we do to avoid tooth decay?
brush our teeth
68. Throwing garbage outside makes our surroundings:
dirty
69. What we should do before eating a meal?
wash our hands
70. Which activity is a good health habit?
exercising regularly
71. Which one is not the basic need of animals?
tree
72. Which of the following animals is found in a desert?
camel
73. Frog and ducks live in which habitat?
river
74. Which one is the habitat of a cactus plant?
desert
75. Penguin lives in which habitat?
polar
76. A place where animals and plants live and grow is known as:
habitat
77. What percentage of planet Earth is water?
70 %
78. Animals indirectly depend on plants to get:
food
79. Plants need ___________ to make their food.
sunlight
80. Places that do not get much rain and remain dry and hot are called:
deserts
81. A healthy habitat must provide animals and plants with ___________.
food, water, shelter and a place to raise their young
82. Which of the following is a desert animal?
jackrabbit
83. Which habitat is covered with snow and ice?
polar
84. Which habitat is mostly covered with trees?
forest
85. The following are the forest animals except:
shark
86. The following are the forest trees except:
cactus
87. Fungi and algae are grown in which habitat?
sea
88. Which animal is known as the ship of desert?
camel
89. The cactus protects itself from animals with the help of its:
spines
90. A polar bear is found in which region?
arctic
91. Fish breathe with:
gills
92. Pine trees are found in:
cold hilly areas
93. The long, narrow beak of the humming bird is a structural adaptation to _________.
sip nectar
94. Which activity is not causing water pollution?
burning of fuel
95. Which one is not a cause of deforestation?
making cars
96. Which step is not related to protection of endangered animals?
plant new trees
97. Which one is an extinct animal?
dinosaur
98. Camel stores fat in its:
hump
99. Which part of camel protects it from blowing sand?
long eyelashes
100. In which part cactus stores water?
stem
101. Which of the following covers the body of a polar bear?
white fur
102. Polar bear has which type of ears that protect water from entering?
rounded
103. What is the shape of pine trees?
needled shape
104. What is the purpose of leaves of pine tree?
reduce water loss
105. Fish move smoothly in water due to:
streamlined body
106. Fish breath with the help of:
gills
107. Which part of fish protect their body?
scales
108. Which of the following is a result of deforestation?
specie lost
109. Many sea birds die every year due to:
water pollution
110. Animals that lived on the land in the past but now no individual alive are called:
extinct animals
111. Animals which are in danger of disappearing from the world are known as:
endangered animals
112. The diagrams below show a forest area before and after a factory was built there.
Building the factory in this area most likely caused an increase in:
air pollution
113. Following animals are endangered in Pakistan except:
dog
114. Which of the following step should be taken to protect endangered animals?
Protect their habitat
115. Which of the following step is much suitable for the protection of endangered
animals?
develop wild life park for them
116. A ________ is a push or pull on an object that changes its position and shape.
force
117. Car drives through the force of:
machine
118. We need __________ to move thing.
force
119. The changing of position due to force is called ________:
motion
120. Which force make objects fall on to the ground?
gravity
121. The increase in force will increase _______of the motion of object.
speed
122. Which of the following cannot be changed by applying force?
weight
123. Which of the following will change if we squeeze a balloon with force?
shape
124. Which of the following was used as vehicle in the past?
bullock cart
125. When you put on your socks, you must do this to get them over your toes:
pull
126. How vehicles are moved nowadays?
by machines
127. Which of the following vehicle is used presently?
bus
128. Which scientist discovered the first camera?
Al-Hasan Ibn al-Haytham
129. A _________ is a device that makes work easier.
machine
130. Which machine is a bar that moves about a fixed point?
lever
131. Shovel is an example of which machine?
lever
132. Which of the following is not a lever?
nail
133. Which of the following is an inclined plane
ramp
134. ________ helps move heavy objects up or down.
inclined plane
135. Which machine used to cut things apart?
wedge
136. Which simple machine is shown in the given diagram?
inclined plane
137. A knife is an example of _________:
wedge
138. Door knob is an example of which machine?
wheel and axel
139. Machine that has a rope and a grooved wheel is known as:
pulley
140. For what purpose pulley is used?
to lift heavy objects
141. Which of the following is an example of pulley?
Crain
142. Toy cars move by using which machine?
wheel and axel
143. Which simple machine can be used to fetch the water out of a well?
pulley
144. An axe is an example of which machine?
wedge
145. A _________is an inclined plane around a cylinder.
screw
146. Which machine is used to hold objects together?
screw
147. Lid of a jar is an example of which machine?
screw
148. Stairs are example of a:
inclined plane
149. Which of the following is not a simple machine?
computer
150. A drilling metal is an example of which machine?
screw
151. Which of the following is a set of human body parts?
Skin, lungs, ear
152. Which of the following is an internal part of the human body?
Stomach
153. How many teeth does an adult normally have?
32
154. What is the largest organ in the human body?
Skin
155. Which of the following organs control all the activities of the human body?
156. A human heart has __________ chambers.
Four
157. We use our teeth to ____________ food.
Chew
158. A framework of bones is called ______________.
Skeleton
159. The place where two bones meet is called _________________.
Joint
160. We can move our hands, arms and legs due to _____________.
Muscles
161. Which part of the body take up oxygen?
Lungs
162. _______________ help in digestion.
The Stomach
163. We have _______________ senses.
Five
164. Which of the following is the organ of hearing?
Ear
165. A person can suffer from food poisoning after eating unhygienic food. Which of the
following part is more likely to be affected by food poisoning?
Stomach
166. An increase in cholesterol levels of blood can cause:
Heart disease
167. Eating too many sweets and not brushing teeth can result in:
Tooth decay
168. Which of the following diseases can damage our skin?
Athlete’s foot
169. Which of the following is not a healthy habit?
Biting nails
170. Which of the following is a set of healthy food items?
Fruits, meat, milk
171. Which of the following statement is true about the given pictures?

Duck A will grow because it is a Living thing.
172. Which list contains only nonliving things?
Water, book, sunlight
173. In order to grow and survive, all animals need water, air and ___________.
Food
174. Animals get the energy they need for growth and repair by _______________.
eating food
175. In order to grow and survive, all plants need water, air and ___________.
Light
A B
176. If we keep two plants of the same type at different places and provide them with same
water and nutrients, what would be the correct statement about the two plants?
Plant A will grow because it is getting sunlight.
177. Which of the following characteristics of a plant is shown in the picture below?
Movement
178. Ability of living things to produce their own kids is called _______________.
Reproduction
179. In a frog life cycle, the tadpole changes into an adult frog. Which of the following
characteristics can describe this change?
Growth
180. Which of the following characteristics enables a fox to chase a rabbit?
Movement
181. Which characteristic would a cat most likely inherit from its parents?
Having grey eyes
182. Which characteristic would a red rose plant most likely inherit from its parents?
Having red roses
A. Plant in a window B. Plant on a table
183. Trees start as seeds and grow into mature trees that produce more seeds. This pattern
represents a:
Life cycle
184. A butterfly lays an egg. The egg hatches into a caterpillar. The caterpillar becomes a
pupa and then changes into a butterfly. This process is called ___________________.
a life cycle
185. A chick grows into a ____________________.
hen
186. A tadpole grows into a ____________________.
frog
187. Which of the following is the correct order of a plant’s stage of growth and
development?
Seed Young plant Mature plant
188. A bird builds a nest to ______________.
Shelter its offspring
189. Which statement is correct about the life cycle of a frog and a butterfly?
Frogs and butterflies have their own stages of a life cycle.
190. A butterfly lays its eggs _______________.
on a leaf
191. A frog lays its eggs _______________.
in the water
192. The picture shows a mature plant.
Which of the following would most likely be the offspring of this mature plant?

193. A bud develops into a ________________.
Flower
194. __________________ gives us energy for various activities.
Food
195. Eating a right variety of food in a right amount is called _________________.
A balanced diet
196. A food pyramid is given. Which statement is correct about the food pyramid?
We should eat more of some food groups than of others.
197. Sources of food are divided into ______________ groups
according to the food pyramid.
Six
198. Which of the following sources of food should we eat
the most?
Grains
199. Which of the following source of food should we eat less?
Oil & fats
200. _____________ make(s) our bones and teeth stronger.
Milk
201. Which of the following is not from the dairy group?
Egg
202. Sugar is ____________ found in fruits, honey and table sugar.
A Carbohydrate
203. Which of the following helps us to build strong muscles and repair damage?
Protein
204. Which of the following contains most protein?
Chicken
Grain
Vegetable
s
Meat
Oil
Diary
Fruit
s
205. Fats, oils and sweets give us _______________.
Energy
206. Which of these foods contains the most vitamins and is good for our health?
Fruit salad
207. Fruit and vegetables are important because:
They provide us vitamins, minerals and nutrients.
208. Which vitamin is important for strong bones?
Vitamin D
209. How many portions of fruit and vegetables should we try to eat each day?
5
210. We should drink _________ glasses of water daily.
8-10
211. Which of the following food items if eaten more can make us sick?
Candies
212. Junk food is rich in fat and lacks other nutrients. Therefore, it is ____________.
Unbalanced
213. Deficiency of protein affects the ____________.
Growth
214. Soft drinks are filled with sugar, which is bad for our teeth. Which of the following
drinks should we choose to have instead?
Water
215. Why do we need to eat a balanced diet?
To get energy, make our bodies function properly and it helps us grow
216. Personal hygiene ____________________________.
It is a collection of habits to keep oneself clean and healthy
217. How many times should we brush our teeth daily?
2
218. It is not necessary to wash our hands after __________________.
Taking bath
219. We should care for our eyes. Which of the following habits can harm our eyes?
Reading in dim light
220. How can we keep our nails clean?
By trimming them weekly
221. We should keep our ears clean by cleaning its wax with a _____________.
Cotton bud
222. Everything we found in our surroundings is part of our ____________.
Environment
223. An environment consists of _______________.
Living and nonliving things
224. Which of the following is a living component of the environment?
Plant
225. Which of the following is a nonliving component of the environment?
Soil
226. The following are the living components in the given picture:
Birds and tree
227. Following are the nonliving components in the given picture:
Clouds and light
228. Which of the following is one of the main features of a forest
environment?
Lots of trees
229. Which of the following is not a feature of a desert
environment?
More water
230. Which of the following is the largest environment of the Earth?
Aquatic
231. A characteristic of an animal that helps it to survive in a specific environment is
called _________________.
Adaptation
232. A cactus plant is shown below. How do its spines help it to survive in the
desert?
By protecting from animals
233. Which of the following is an example of adaptation with respect to
change in season?
Birds migrating in winter
234. The fur of an arctic fox turns from brown to white as winter approaches. This is an
example of ____________.
Camouflage
235. A Polar bear lives in a polar region. It has a thick layer of fat that help it to
___________.
Keep warm
236. Penguins are the birds that have _______________ instead of wings,
which help them to swim in the water.
Flippers
237. Which structure of a penguin helps it to stay warm while diving in cold water?
Feathers
238. Lions live in groups called prides. They prefer to hunt in groups. This is an example
of __________________ adaptation.
Behavioral
239. An octopus squirts black ink around itself to hide from predators. This is an example
of a __________ adaptation.
Behavioral
240. Pine trees grow on mountainous regions; they have needle-like leaves that help them
to ________________ in snow.
Store water
241. Webbed feet of a duck help it to ________________.
Swim in a pond
242. Which of the following birds can sip nectar from flowers?
A
243. Which of the following is a producer?
Plant
244. What do you think a sunflower is?
Producer
245. During photosynthesis, green plants ______________________.
Combine carbon dioxide with water and sunlight
246. The animal that eats ________________ is called a herbivore.
Plant
247. A Lion always want to eat flesh of animals. Therefore, we can say a lion is a/an
______.
Carnivore
248. An animal likes to eat fruits from trees. However, sometimes it also feeds on insects.
We call this animal ________________.
Omnivore
249. Which of the groups below contains only consumers?
Lion, fox, grasshopper
250. What happens to the organisms when they die?
They decompose
251. Which of the following terms describes bacteria?
Decomposer
252. Decomposers are tiny living things, which cause other living things to ___________.
Decay
253. An animal that eats or kills other animals is called a ________.
Predator
254. An animal which is killed or hunted by others is called a _______.
A B C
Prey
255. Which of the following contains a decomposer, predator and producer?
Bacteria, lion, sunflower
Look at the simple food chain and answer the following questions from 106-107.
256. An organism that eats plants in the food chain is called a primary consumer. Which of
the following is a primary consumer in the given food chain?
 (2)
257. An organism that eats primary consumer in the food chain is called a secondary
consumer. Which of the following is a secondary consumer in the given food chain?
(3)
258. Which organism best fits in the box given in the following food chain.
Plant Human Decomposer
Cow
259. In the food chain below, the __________ is both prey and predator.
Plant Caterpillar Sparrow Sparrow hawk
sparrow
260. In which order is energy transferred through a food chain?
Sun → plants → animals
261. Which of the following statements is correct about the food chain below?
The lion is a tertiary consumer.
262. Look at the four organisms below and choose the correct order of a possible food
chain.
?
263. Complete the food chain by selecting the most appropriate organism.
Plant grasshopper Snake
Mouse
Answers of the questions from 264 to 266 are based on the given picture.
264. Which organisms in the diagram are producers?
Tree, grass, lotus
265. Which organisms in the diagram are consumers?
Fox, squirrel, duck
266. Which of the following statements is correct about the given animals?
A fox can eat a squirrel.
Look at the food chain and answer the following questions from 117-119.
267. Which of the following is the main source of energy in a food chain?
Sun
268. Which of the following is a primary consumes or herbivore in a food chain?
Fish
269. Which of the following is predator and tertiary consumer in a food chain?
Shark
270. Anything that has mass and occupies space is called _______________.
Matter
271. One example of matter is:
Water
?
272. The amount of matter in an object is called its ______________.
Mass
273. Which metric unit should be used to describe the mass of an object?
Grams
274. Which metric units should be used to describe the volume of an object?
liters
275. Matter has __________ states.
3
276. Ink is an example of a __________________.
Liquid
277. Wood is an example of _______________.
Solid
278. Air is an example of a _______________.
Gas
279. A Solid has a definite _________________.
a and b
280. Liquids have a definite volume but do not have a definite _______________.
Shape
281. Which two characteristics describe a gas?
No definite shape and no definite volume.
282. Matter that spreads out to occupy the whole available space is:
air
283. Examples of three states of matter are given below:
Which of the following sets is in correct order?
Solid, liquid, gas
284. _________naturally exists in all three forms of matter.
Water
285. When a cup of water at room temperature is put in a freezer, water will change from:
Liquid to solid
286. A student removes a tray of ice cubes from a freezer on a warm day. The water in the
tray is solid and cold. After one hour, the water in the tray most likely would be:
Liquid and warmer
287. You can observe many puddles after heavy rain. However, the puddles disappear after
two to three days. The water in the puddles most likely would:
Evaporate
288. Which of the following components of a mixture do not have fixed shape:
Air in water
289. In melting:
Solid changes into liquid
290. In freezing:
Liquid changes into solid
291. In boiling:
Liquid changes into gas
292. In evaporation:
Liquid changes into gas
293. The process that involves mixing is _____________.
Making soda water
294. A solution is formed if a spoon of sugar is mixed in a glass of water. What is the
water in this solution?
A solvent
295. Which of the following best describes a plate of salad?
Mixture
296. Which of the following is NOT an example of a mixture?
Water
297. A student took two beakers and added equal water in both beakers. He added salt in
one beaker whereas sand in other beaker. What would be the result?
Salt will dissolve whereas sand will not dissolve.
298. Insoluble heavier solids can be separated from water by:
Decantation
299. Fine insoluble solids can be separated from water by:
Filtration
300. Separating tealeaves from liquid is an example of _______________.
Filtration
301. Tomatoes from the salad can be separated by:
Picking
302. The degree of hotness or coldness of a body is called ___________.
temperature
303. The instrument that is used to measure the temperature of a human body is ________.
thermometer
304. Substance in the thermometer could be:
mercury
305. With increase in temperature, mercury in thermometer will:
Rise
306. The temperature at which a solid changes into a liquid is called _______________.
melting point
307. Freezing temperature of water in centigrade is:

308. A laboratory thermometer has only the ____________ scale ranging from -10 to 110°.
Celsius
309. Normal body temperature on Fahrenheit scale is:
98.6°F
310. In case of breakage of a thermometer, we should:
Clean the spill using gloves
311. What is a push or a pull?
Force
312. When you open a door of your room you are applying a _______.
Force
313. An apple falls due to pull of Earth, the amount of force of pull is equal to the_______.
Weight of Apple
314. A force may ____________ an object.
Move and stop
315. Which of the following is not a force?
Hammer
316. A force acting on a body at rest may cause it to:
move
317. You have to move a book and a table; both objects need force to move what will be
the amount of force?
Book needs small force and table needs a large force
318. If you have two balls, you move first ball with small force and moves the second ball
with greater force. The distance covered by the balls.
Less distance by First ball and more distance by second ball
319. A force applied on an object may change:
Shape, Speed and Direction
320. Force acting along the direction of a moving object causes:
Fast movement
321. Which of the following is pulled by the Earth with the smallest force?
Apple
322. Which of the following body move with the highest speed?
Rocket
323. Something that makes a job easier is ________________.
a simple machine
324. Which of the following is not a simple machine?
Bicycle
325. Simple machine is tool that:
Makes the work easier
326. Which of the following simple machine is being used in the
given picture?
Pulley
327. Which simple machine does a flagpole make use of?
Pulley
328. The point about which a lever turns is called:
fulcrum
329. Wheel barrow is an example of the lever of:
second kind
330. The ramp in the diagram is an example of which simple machine?
inclined plane
331. Which of the following is not an inclined plane?
ground
332. Everything falls down because of _______________.
Gravity
333. Which inclined plane covers a greater distance but requires less force while moving
upwards?
C
334. Which simple machine are stairs an example of?
Inclined plane
335. Look at the pictures below. It will be easier for the student to use wheels to push the
boxes in diagram B because there is:
less friction
336. Wheel is combined with the axle forms a simple machine ‘wheel and axle’ which
changes:
Sliding motion to rolling motion
337. Which of the following is a force?
Gravity
338. A force is acting opposite to the motion of a body causes it:
To slow down
339. The distance covered by a body by the time taken by it is:
Speed
340. In which of the following machine, wheel is used?
Pulley
341. Which of the following produces sound?
Flowing water
342. Sound cannot be produced by:
Plucking a stretched wire
343. Which of the following produces a loudest sound?
Lion
344. Which of the following cannot produce sound by itself?
Drum
345. Sound cannot travel through:
Vacuum
346. Which of the following produces the lowest sound?
Cat
347. Too much noise can cause:
Deafness
348. When sound travels through air it spread in:
All directions
349. Sound is produced due to:
vibration
350. Sound passes from one place to another in form of:
waves
351. Sound is fastest in:
Solid
352. Sound is slowest in:
Air
353. You can identify the intensity of sound due to:
Loudness of sound
354. The sound of explosions on Sun do not reach on Earth because there is :
No medium between Earth and Sun
355. Sound cannot travel in a vacuum because:
There are no particles in a vacuum
356. Sana sets up an alarm clock as shown in the diagram.
She placed the clock in a bell jar and pulled the vacuum pump. Will she be able to
hear the alarm clock when it rings?
No, because sound needs a medium to travel.
357. Loudness of sound is most closely related to:
Strong vibrations
358. Sounds which are pleasant to our ears are called _____________.
Musical sound
359. Sounds which are NOT pleasant to our ears are called _____________.
Noise
360. Sound produced by a large drum is louder than a small drum because of its _______.
large vibrating area
361. As compare to air, speed of sound in liquids and solids is _____________.
faster
362. People working in noisy areas should wear:
Earplugs
363. Which is not caused by noise pollution?
Diarrhoea
364. Sounds waves are created by _____________.
 Vibrating things
365. Which is an example of a vibration?
Up and down movement of a motor
366. The units of frequency are:
Hertz
367. Which animal use the sound waves to find its way:
Dolphin
368. Noise pollution can be controlled by making machines that produce:
Less noise
369. In our throat, there are __________ which vibrates to produce sound.
Vocal cords
370. The soft sounds have intensity:
Low
371. Electrons flow easily through ________________.
Copper wire
372. Which materials do not allow charges to move easily?
Insulators
373. Electrons cannot pass through plastic hence it is.
Insulator
374. Which of the following is an insulator?
glass
375. Which materials allow charges to move easily?
Conductors
376. An electric circuit is the:
Path of electric current
377. An electric circuit can be open or closed by a ____________
Switch
378. Electricity will not flow in:
Open circuit
379. When circuit is open current will ______________.
not flow
380. Electric current can flow through ______________.
closed circuit
381. Look at the pictures below and tick the statements that describe it best.
Paper is non-conductor while aluminum is a good conductor that makes the bulb
light-up.
382. Look at the pictures below and tick the statements that describe it best.
The broken wire makes the circuit open in case B.
383. The function of switch is to:
Open or close the circuit
384. What is a pathway for the flow of electricity?
circuit
385. A __________ is not a part of an electric circuit.
wood
386. The diagram below shows an open circuit. The bulb is not lit. Four places in the
circuit are labeled 1, 2, 3, and 4. One wire has been connected between 1 and 3.
In order to light the bulb, another wire should be connected between?
Case A Case B
2 and 4
387. What is the effect on the bulb in a closed circuit, when a plastic string replaces the
copper wire?
Bulb becomes brighter
388. What do thick lines represent in a circuit diagram?
Wire
389. When Asma plugs the oven into the same outlet as the television and fridge, all three
won’t work. What is the most likely hypothesis for what happened?
The circuit was overloaded that breaks the wires.
390. A material that attracts iron, metal, or steel.
Magnets
391. Which of the following could not be attracted by a magnet?
Water
392. Which object will most likely be attracted to a magnet?
Metal nail
393. Which of the following is a magnetic material?
Iron
394. All magnets have:
Poles
395. The pull of a magnet is strongest at its:
Poles
396. Which term means to pull together?
attract
397. Which term means to push apart?
repel
398. A region of magnetic force surrounding a magnet is a/an _________.
magnetic field
399. Which of the following does not describe the magnetic force between two magnets?
The like poles attract.
400. How many poles a magnet has?
2
401. If two magnets were in this order: NS SN they would:
Repel
402. If two magnets were in this order: SN SN they would:
Attract
403. If you break a magnet into two pieces, what happens?
Each piece has a north pole and a south pole.
404. The S-pole of a freely suspended magnet always point towards:
South
405. In which arrangement all magnets will be attracted?
406. When the north pole of one magnet faces the south pole of another magnet, the
magnets:
attract and stick together
407. Which factor will cause a decrease in the force of attraction between two magnets?
increasing the distance between the two magnets
408. The four diagrams below show two magnets, X and Z. They are different distances
apart in each diagram. In which diagram will magnet Z have the strongest attraction to
magnet X?
409. The diagrams below show four identical magnets, A, B, C, and D. The magnets were
placed at different distances from four identical piles of metal paper clips. Which pile of
paper clip attracts the most?
410. The handles of screw drivers made of wood or plastic because wood or plastics
behaves as a
Insulator
411. Look the picture and identify the magnet is:
U-shape
412. When a magnet is freely suspended, it always rests along
North-south direction
413. Which of the following is a planet?
Earth
414. Which Earth movement results in day and night?
rotation
415. How long does it take for Earth to rotate around its own axis?
a day
416. The Sun appears to move in the sky. In fact, this motion is due to the:
Spinning of the Earth
417. Which of the following causes the formation of days and nights?
Rotation of the Earth around its own axis.
418. The diagram below shows Earth revolving around the Sun. Letters A and B show two
locations in Earth’s orbit around the Sun.
It takes Earth one year to revolve around the Sun. How long will it take for Earth to
travel from point A to point B?
6 months
419. The Earth rotates from:
West to East
420. Look at the dots on pictures of the Earth.
Choose the correct option that describes both.
It is day at A and night at B.
421. What is the main cause of the changing of seasons?
The tilt of the Earth in relation to the Sun.
422. When the Southern Hemisphere is having the autumn season, what season will the
Northern Hemisphere have?
Spring
423. Nights are longer than days in:
Winter
424. Winter comes just:
After autumn
425. Scientists classify living things into how many main groups?
five
426. Vertebrates and invertebrates belong to which kingdom?
Animalia
427. Kingdom Monera consists of __________:
bacteria
428. Which type of organisms kingdom Monera has?
Unicellular
429. Which of the following is used to see bacteria which are not visible to the naked eye?
Microscope
430. Which of the following have the characteristics of both plants and animals?
Algae
431. Some algae can prepare their own food because they have:
Chlorophyll
432. Following are the examples of algae except:
Yeast
433. Fungi get their food from:
Dead matter
434. Damp and moist places are suitable for the growth of__________:
Fungi
435. Yeast and mushrooms are examples of which kingdom?
Fungi
436. Which is the largest kingdom?
Animalia
437. Vertebrates have __________ in their skeleton that helps in movement.
Backbone
438. Invertebrates cover ___________ percent of all known animal species on Earth.
97
439. The outer covering of invertebrates is known as:
Exoskeleton
440. Following are the examples of invertebrates except:
Frog
441. Plants are divided into how many main groups?
two
442. All are flowering plants except:
Conifer
443. Organisms that cannot be seen by naked eye are called:
Microorganisms
444. Germs are also called:
pathogens
445. Which of the following are not microorganisms?
Vertebrates
446. Virus enter the living cell to:
Reproduce
447. The organism in which a virus reproduce is called:
Host
448. Which of the following is a viral disease?
hepatitis
449. Bacteria having tail-like structure are called:
Flagella
450. ___________ helps to keep the balance of nitrogen in the atmosphere
Bacteria
451. Which of the following infection is not caused by bacteria?
Chickenpox
452. Useful bacteria live in our _____________:
Intestine
453. Athlete’s foot is a common disease caused by____________:
fungi
454. Which microorganism is used to obtain antibiotics?
fungi
455. Fungi cause __________ in humans.
athlete’s foot
456. Bacteria form a colourless film on our teeth known as __________:
plaque
457. Diseases that spread from person to person are called ___________:
Infectious diseases
458. The chain of infection starts from:
Pathogen
459. Congo virus transfers to humans through:
animals
460. When disease causing microorganisms attack human body, it results in__________:
infection
461. Pink eye disease spreads from one person to another through_________:
Direct contact
462. Infections spread through air by the following except:
sleep
463. Which disease spreads through water?
Hepatitis
464. Which disease spreads through contaminated food?
pinworms
465. Which of the following diseases spreads through cuts or wounds?
 Tetanus
466. Influenza spreads through:
Indirect contact
467. Houseflies spread infections through:
Food
468. The second link in a chain of infection is the ______________:
Reservoir
469. In how many groups vertebrates are divided?
five
470. Which of the following is not a vertebrate?
Insects
471. Body of fish is covered with ____________:
scales
472. Fish swim through __________:
fins
473. Animals that are unable to regulate their body temperature according to the
environment are called ___________:
Cold-blooded animals
474. Fish breath through their_________:
gills
475. Animals that can maintain a constant body temperature are called ___________:
Warm-blooded animals
476. Following are the examples of fish except:
salamander
477. Which of the following animals live on both water and land?
amphibians
478. At which place amphibians lay eggs?
deep water
479. Amphibians breathe through which body part?
Lungs and skin
480. Which of the following is not an amphibian?
eel
481. Skin of reptiles is hard and covered with:
Scales
482. Reptiles breath through their ___________:
Lungs
483. Which body part help birds to fly in air?
hollow bones
484. Which of the following is a bird but cannot fly?
kiwi
485. Which bird can fly in all directions?
Hummingbird
486. Mammals have _________ on their body.
Hairs
487. Which of the following is not a mammal?
Tortoise
488. A/an ___________ is a reptile that does not have legs.
snake
489. Following are the parts of an insect except:
Tail
490. Insect’s body get support from:
Exoskeleton
491. Which of the following is not an insect?
Owl
492. Body of worms is covered with _________:
slime
493. Invertebrates that have soft, round bodies without any skeleton are called:
Molluscs
494. Following are worms except
housefly
495. Flowering plants are classified into _________ groups.
 two
496. Seed coat is also called ___________:
Protecting Cover
497. Which part of the seed protects it from drying up?
Seed coat
498. Which part of the seed is food supplier?
Endosperm
499. A dicot has how many cotyledons?
two
500. Which of the following is a dicot?
beans
501. Which of the following is a monocot?
Wheat
502. Which part of the plant anchor the plant body to the ground and provides support?
Root
503. In a monocot, cotyledons take food from the endosperm and provide it to________:
Embryo
504. Which part of plant arises from the radicle?
roots
505. Which part of plant provides strength to stand in an upward position?
stem
506. Transport system of in the stem is called __________ system:
Vascular
507. Xylem carries _____________ in plants.
Water
508. Phloem carries _____________ in plants.
Food
509. The arrangement of ___________ in a leaf is called venation.
veins
510. Flower of monocot has petals and sepals in multiples of _________:
three
511. Flower of dicot has petals and sepals in multiples of _________:
four or five
512. The process by which a seed becomes a seedling or a plant is called__________:
germination
513. Which of the following factor does not effects germination?
plant color
514. When something harmful is added to the environment, it causes:
pollution
515. The _____________ grows as a first leaf of the seedling when the seed germinates.
cotyledon
516. Things which pollute the environment are called:
pollutants
517. Which of the following is not a type of pollution?
Rubber pollution
518. Land covers how many percent of the Earth’s surface?
29
519. Which gas is present 78% in air?
Nitrogen
520. Smoke from vehicles and factories are causing which type of pollution?
Air pollution
521. Wildfires and volcanic eruption causes:
Air pollution
522. Which layer protects Earth from harmful radiations of the Sun?
Ozone layer
523. How many percent of Earth’s surface is covered with water?
71
524. Which of the following causes water pollution?
Oil spillage from oil tankers
525. Which of the following disease is caused by water pollution?
cholera
526. Which disease is caused by air pollution?
Bronchitis
527. Burning of fossil fuels should be discouraged to reduce __________ pollution.
Air
528. Smoke from vehicle and factories is a major source of ___________ pollution.
Air
529. Improper disposal of industrial waste causes ___________ pollution.
Water
530. Pesticides and fertilizers in farming are causing which type of pollution?
Water
531. Chemicals used to kill pests are called _____________:
pesticides
532. Oil spill in the ocean can block_____________ from dissolving into the water,
causing marine life to suffocate.
Oxygen
533. Which materials are easily decomposed by natural agents?
Biodegradable
534. Which of the following is a biodegradable material?
Orange peel
535. Materials which cannot be ____________ are called non-biodegradable materials.
Decomposed
536. Which of the following is a non-biodegradable material?
Ceramics
537. Plastic bags add which gas to the air that causes air pollution?
Carbon dioxide
538. Birds and animals can choke on ___________:
Plastic bags
539. In which of the following garbage is burnt?
Incinerator
540. SO2 converts into H2SO4 and falls as ____________:
Acid Rain
541. Which toxic gases are released by incinerators?
SO2 and NO2
542. Which of the following devices controls pollution?
Scrubber
543. Which of the following is not a part of 4R strategy?
Restore
544. Paper can be ___________ to produce new paper.
Recycled
545. Which of the following is rich soil material that helps plants to grow?
Compost
546. Which R is at first place in hierarchical organization of 4Rs?
Reduce
547. In how many states matter exists?
Three
548. Solids have a definite _________:
Shape
549. Matter is made of tiny building units called ___________:
Particles
550. Liquids have a definite volume but do not have a definite_________:
shape
551. Which state of matter can move freely in all directions?
Gas
552. Which of the following defines gas?
No definite shape nor definite volume
553. Liquid water becomes solid when it is ___________:
Cooled
554. Matter can change its state with the change in ___________:
Temperature
555. What is the effect of cooling on energy of particles?
It decreases
556. The process of solid into liquid upon heating is called_________:
Melting
557. What is the melting point of water?
0 oC
558. What is the boiling point of water?
100 oC
559. Evaporation takes place at ____________:
All temperatures
560. Turning of water vapor into liquid water is called __________:
Condensation
561. In which process solid converts directly into gas?
Sublimation
562. Conversion of water vapour directly into ice is called:
Deposition
563. Particles in a ______________ have little force of attraction between them.
Gas
564. Which of the following exists in all three states of matter on Earth?
Water
565. Oceans, rivers and lakes are known as ___________:
Water bodies
566. Evaporation of water from the surface of plants is known as ___________:
Transpiration
567. Water vapors move upward and turn into:
Water droplets
568. It rains when clouds become__________:
Bigger and heavier
569. Dew is formed due to ____________:
Condensation
570. Water vapors turns into solid at a very cold temperature to form:
frost
571. Which of the following is not a form of moisture in the environment?
Tornado
572. Which of the following is purest form of water?
Water vapor
573. Fog is formed due to ____________ present in the air.
water vapors
574. Water falls on the ground in the form of _____________:
Precipitation
575. The sum of all the forces is called the_____________ upon and object.
Net force
576. When the net force is zero, the applied forces are called ____________.
Balanced forces
577. Which force is equal and opposite in direction?
Balanced force
578. When one force is greater than other force, it is called ______________:
Unbalanced force
579. The tendency of an object to resist the change in its state of motion is called:
inertia
580. When a force pushes an object forward, inertia pulls it:
backward
581. Which force is produced when two surfaces rub against each other?
friction
582. If the surface has larger pores, friction will be__________
more
583. Friction acts in which direction of the applied force?
opposite
584. Which statement is true about friction?
It slows down an object
585. Which force protect us from being slipped away?
Friction
586. Which of the following object is difficult to hold due to less friction?
ice
587. When two surfaces are rub against each other, ________ is produced:
heat
588. Which of the following action increases friction?
rubbing
589. The friction of a rolling object is always __________ than the friction of a sliding
object.
less
590. Which thing is used to reduce the friction of moving parts of a machine?
lubricants
591. Cyclist sit in a __________ shape to reduce the air friction:
streamlined
592. A ball fall onto the ground due to which force?
gravity
593. The gravitational force of the ____________ makes all the planets to move in their
orbits.
Sun
594. Moon revolve around the Earth due to its:
Gravity
595. Gravitational force ___________ as two objects move apart.
decreases
596. Gravitational force of two objects depends upon their __________ and the distance
between them.
masses
597. How much matter an object contains is known as its __________:
mass
598. The amount of gravitational force acting upon an object is known as its ___________:
weight
599. Weight of an object depends on its __________:
position to the Earth
600. Astronauts have how many times less weight on moon than on Earth?
1/6
601. Which of the following is measured in newtons?
weight
602. Which surface has less friction?
smooth
603. Simple machines make our work easier by:
Changing the direction of force
604. Which machine consists of a grooved wheel and a rope passing over it?
pulley
605. Following are the examples of pulleys except:
seesaw
606. Which of the following is not a part of a lever?
rope
607. The fixed point of lever is called:
fulcrum
608. The object that is moved by lever is called:
load
609. What is the position of fulcrum in class-one lever?
Between load and effort
610. Which of the following is an example of class-one lever?
scissor
611. The effort is between the fulcrum and load in which class of lever?
Class-three lever
612. Following are examples of class-three lever except:
Nutcracker
613. Inclined plane is also called:
Ramp
614. Which simple machine is used to move objects from a lower surface to a higher
surface?
inclined plane
615. Which of the following is not an example of inclined plane?
wheelbarrow
616. Which simple machine is formed by placing two inclined planes side by side?
wedge
617. Following are the examples of wedge except:
nutcracker
618. Which simple machine holds things together?
screw
619. Which of the following is an example of screw?
nut and bolt
620. A staircase is an example of __________:
inclined plane
621. A hammer is an example of __________:
lever
622. Which is the biggest natural source of light?
The Sun
623. Which of the following is a luminous object?
Sun
624. Moon is a __________ object.
non-luminous
625. Objects that do not emit their own light are called:
non-luminous objects
626. Light travels in which direction?
straight line
627. Who was the first scientist to study and investigate light?
Ibn al Haytham
628. Which part of pinhole camera is used as lens?
tiny pinhole
629. The image formed by a pinhole camera is ___________:
Upside down and reversed
630. If the pin hole is small, the image formed will be _________:
sharp
631. Which materials allow light to pass through them completely?
transparent
632. Which materials cast a clear and dark shadow?
opaque
633. Objects on the other sides of ____________ materials appear fuzzy and unclear:
Translucent
634. A book is an example of ____________ material.
Opaque
635. Which of the following is an example of translucent material?
Tissue paper
636. A shadow is formed when a/an ___________ object is placed in the path of light.
Opaque
637. Shadows formed by the sunlight are shortest:
At noon
638. Shadow keeps on changing as the day progresses because of:
Earth’s rotation
639. Shadow depends upon the location and _____________:
Distance of the light source
640. When light source comes closer to the object, the shadow becomes __________:
Bigger than the object
641. In how many days moon completes its orbit around the Earth?
29 ¼
642. How many phases moon has?
8
643. A complete orbit of moon around the Earth is known as:
Lunar month
644. What is formed when a shadow of one celestial body falls on another celestial body?
eclipse
645. The moon forms different phases as it moves around the _________
Earth
646. How many types of eclipses form?
two
647. When the moon comes between the Sun and the Earth, it is called ___________
Solar eclipse
648. When the Earth comes between the Sun and the moon, it is called__________
Lunar eclipse
649. A lunar eclipse occurs when it is a __________:
Full moon
650. During a lunar eclipse, the moon appears as __________:
A bright red ball
651. What happens when two atoms with the same charges come closer to each other?
They repel each other
652. What is the net charge on an atom?
Zero
653. When a static charge is build up on an object, it is called _________:
Static electricity
654. Static charge remains until the object come into contact with a _________ object:
neutral
655. Lightning during a thunderstorm is a result of which phenomenon?
Static electricity
656. Lightning is a result of ___________ between the clouds and the Earth’s surface.
Electric discharge
657. Ammeter is used to measure which of the following?
Electric current
658. The pathway in which electric current flows is known as:
Electric circuit
659. Which of the following is not a part of electric circuit?
Fuse
660. Which of the following is a safety device?
Fuse
661. Electric current flows in a __________ circuit.
closed
662. Which part is used to open and close electric circuit?
switch
663. When the amount of current is above a certain level, the wire in the fuse breaks the
_________.
circuit
664. The area where the push and pull of a magnet is felt is known as its ___________:
Magnetic field
665. Magnetic force of a magnet is similar to which of the following?
Earth’s gravitational force
666. Which part of the Earth has strongest magnetic field?
North and south pole
667. How can we find an evidence of invisible magnetic field of Earth?
By suspending a bar magnet in the air
668. The north pole of the suspended compass is always pointed towards which pole of the
Earth?
North
669. For what purpose Muslims use magnetic compass?
find the direction of Qibla
670. Magnet made by passing an electric current through wire is called:
Electromagnet
671. What happens when electric current flows through a wire?
Magnetic field is produced
672. How we can increase the strength of an electromagnet?
By adding more turns to the coil
673. A magnet has its maximum magnetic force:
On its poles
674. Which of the following is an example of an electromagnet?
Electric bell
675. Which of the following is not present in a loudspeaker?
Diaphragm
676. How many planets are present in solar system?
eight
677. Which planet is closest to the Sun?
Mercury
678. Which of the following planets supports life?
Earth
679. Artificial satellite of the Earth is:
The moon
680. Which planet is similar to Earth in terms of seasons and soil texture?
Mars
681. Which of the following planets has most moons?
Jupiter
682. What is the distance of the Earth from the Sun?
150 million km
683. Which of the following is the centre of solar system?
The Sun
684. The diameter of the Sun is ___________ times than diameter of the Earth.
109
685. The Earth is the ______________ planet in the solar system.
3rd
686. Which is the biggest planet of solar system?
Jupiter
687. How many moons Neptune has?
13
688. Which is the outer most layer of the Earth?
Crust
689. How many percent of soil is composed of minerals?
45 %
690. How many percent of water is present in soil?
25 %
691. Soil is divided into how many horizons?
three
692. In which layer of soil humus is found?
topsoil
693. Bedrock is composed of:
pieces of rocks
694. The size of particles present is described by its________:
texture
695. Where sandy soil is found?
Sea or desert
696. What is the texture of clayey soil?
Fine
697. Sandy soil particles have diameter between __________ mm.
0.06-2
698. Which layer contains minerals that are important for plants?
subsoil
699. Which soil does not hold water?
sandy