Explore topic-wise MCQs in Science.

This section includes 82 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

51.

A student carried out an experiment as shown in the figures given below. Which is the best conclusion drawn from the above experiment?

A. Air moves things.
B. Air is needed for burning.
C. Air occupies space.
D. Air has weight.
Answer» C. Air occupies space.
52.

 Which of the following is present in liquid form?  

A. Milk
B. Pulses
C. Egg
D. Plant
Answer» B. Pulses
53.

Cotton clothes are preferred during _______ season.

A. Rainy
B. summer
C. Winter
D. spring
Answer» C. Winter
54.

Look at the picture given below. It is due to

A. breeze.
B. storm.
C. pollution.
D. waves.
Answer» C. pollution.
55.

Which of the following statements is INCORRECT? (Value Based)

A. Never wash clothes by the river side
B. Never throw garbage into the river
C. Drinking pure water can make us sick
D. We should use water purifier
Answer» D. We should use water purifier
56.

Read the following sentences carefully and find true and false. (T/F) A. In autumn season trees shed their leaves. B. Condensation changes water vapour into water. C. Rain water is drinking water.  

A. FFT
B. TTF
C. FTF
D. TTT
Answer» C. FTF
57.

Which of the following activities makes air unclean?

A. Smoke from automobiles
B. Washing clothes
C. Watering plants
D. Boiling milk
Answer» B. Washing clothes
58.

Direction: Fill in the blanks of the passage given below. Air is present all around us. We __(26)__ air when it moves. __(27)__ air is called Wind. The slow moving air is called __(28)__ . __(29)__ can damage your house. We need water for __(30)__ . There are __(31)__ seasons. In __(32)__ , days are very hot. We need __(33)__ in the monsoon season. The__(34)__shines every night and the__(35)__of moon changes every night.

A. three
B. five
C. two
D. six
Answer» C. two
59.

The change of state from a liquid to a gas is called-

A. Condensation
B. Evaporation
C. Precipitation
D. None of these
Answer» C. Precipitation
60.

Neha took an ice-cream cone and put it on the table. Which of the following change took place after some time?

A. Boiling
B. Melting
C. Condensation
D. None of these
Answer» B. Melting
61.

Which of these activities can save water?

A. We should turn off the taps after using them.
B. We should not let the tap run when we brush our teeth.
C. We should not waste water while bathing.
D. All of these
Answer» E.
62.

Air occupies space and has

A. weight.
B. smell.
C. colour.
D. Both [a] and [b]
Answer» B. smell.
63.

In the given weather chart, which day is sunny and windy?

A. Monday
B. Tuesday
C. Wednesday
D. Thursday
Answer» D. Thursday
64.

 Which of the following things we do not use in summers?  

A. Cooler
B. Ice-cream
C. Blanket
D. Fan
Answer» D. Fan
65.

On which of the following factors, weather is NOT dependent?

A. Sun
B. Water
C. Cloud
D. Wind
Answer» C. Cloud
66.

Wet clothes dry under the sun. This is an example for

A. Condensation.
B. Melting.
C. Boiling.
D. Evaporation.
Answer» E.
67.

The picture shows a rainy day What do you use on a rainy day?

A. Woolen sweater
B. Cotton shirt
C. Raincoat and umbrella
D. Woolen cap and gloves
Answer» D. Woolen cap and gloves
68.

Which among the following is the hardest mineral?

A. Graphite
B. Diamond
C. Quartz
D. Talc
Answer» C. Quartz
69.

A breeze is a

A. Gentle wind
B. Pleasant wind
C. Both
D. None of these
Answer» D. None of these
70.

Air is a ________________ resources.

A. Natural
B. Artificial
C. Man-made
D. None of these
Answer» B. Artificial
71.

We need water to ______.

A. Cook food
B. Wash clothes
C. Mop floors
D. All of these
Answer» E.
72.

We cannot drink sea water because:

A. It is sweet
B. It is salty
C. It is grey in colour
D. It is sour
E. None of these
Answer» C. It is grey in colour
73.

What will happen if we leave a small piece of ice cube in the sun?

A. It will change into water.
B. It will become smaller in size.
C. Both [a] and [b]
D. It will become black.
E. None of these
Answer» D. It will become black.
74.

We cannot live without:

A. Water
B. Air
C. Both [a] and [b]
D. Either [a] or [b]
E. None of these
Answer» D. Either [a] or [b]
75.

Drinking dirty water can make us:

A. Fit
B. Healthy
C. Sick
D. Strong
E. None of these
Answer» D. Strong
76.

Water is :

A. Colourless
B. Tasteless
C. Odourless
D. All the above
E. None of these
Answer» E. None of these
77.

After rain small kids play in ____ formed on the streats.

A. Rivers
B. Lakes
C. Oceans
D. Puddles
E. None of these
Answer» E. None of these
78.

Burning candle when covered with glass jar put out candle because there is ____ inside the glass jar.

A. No water
B. No light
C. No air
D. Air
E. None of these
Answer» D. Air
79.

Moving air is called:

A. Rain
B. Wind
C. Fire
D. Water
E. None of these
Answer» C. Fire
80.

A deep hole dug to get water from under the ground is a:

A. River
B. Lake
C. Well
D. Sea
E. None of these
Answer» D. Sea
81.

When air is blown into a balloon, the size of the balloon will:

A. Decrease
B. Increase
C. Remain same
D. Either [a] or [c]
E. None of these
Answer» C. Remain same
82.

Which of these words does NOT rhyme with any water body present on Earth? Clue - Bond : Pond

A. Shiver
B. Cake
C. Bug
D. Bring
Answer» D. Bring