MCQ
What is not true about air?
- AIt makes the windmill rotate.
- BIt helps in the movements of aeroplanes.
- CBirds can fly due to presence of air.
- ✓It has no role in water cycle.
✓
Answer
Correct option: D.
It has no role in water cycle.
The presence of water vapour in air is important for the working of water cycle in nature (This is because it is water vapour present in air which rises high in the sky along with hot air, gets cooled, condenses to form clouds and then brings rain on the earth).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Read the following three statements carefully and choose the correct option.
- Raw vegetables are rich in roughages.
- Children need more food as they grow fast.
- Cooking makes food free of germs.
Which one of the following is a non-biodegradable substance?
The planet farthest from the Sun __________
Directions: Match Column$-I$ with Column$-II$ and select the correct answer using the codes given below the columns.
→|
S.No.
|
Column-$I$ (Nutrients)
|
S.No.
|
Column-$II$ (Functions)
|
|
$(A)$
|
Fats & carbohydrate
|
$(p)$
|
Growth & repair.
|
|
$(B)$
|
Proteins
|
$(q)$
|
Protect our body against diseases.
|
|
$(C)$
|
Vitamins
|
$(r)$
|
Help to get rid of undigested food.
|
|
$(D)$
|
Roughage
|
$(s)$
|
Provide energy.
|
A battery is:
Which joint allows movement in one direction only?
Find the odd one out:
Synthetic fibres are those which are:
Study the classification carefully and select the correct option for $X, Y$ and $Z.$
→What is rain water harvesting?