Which type of clothes do we wear in summer?
Nylon
Light cotton
Silk
Linen
Which one of the following statement is true?
Plants do not need air to grow.
Only some plants need air to grow.
All plants need air to grow.
Plants need only water to grow.
Air pollution is caused by :
Insecticides
Sewage
Smoke
Loud speakers
Which of the following should be built far away from the homes to keep air clean?
Stationary stores
Godowns
Factories
The flame of a candle goes of when covered with a glass because :
There is no light.
The air does not reach the flame.
The air get trapped inside the glass.
There is no space inside the glass.
Which of the following is cool and pleasant?
Afternoon
Evening
When we drop a small stone in a mug of water, thin tiny bubbles of air comes from the:
Mug
Stone
Both a and b
What percentage of air consist of oxygen?
78%
88%
98%
21%
The heavy rainy season is also known as the:
Autumn
Spring
Monsoon
Winter
Which season in some places is in July and August?
Summer
Rainy