Advertisements
Advertisements
प्रश्न
How is air useful to agriculture?
Advertisements
उत्तर
Air speeds up drying up of agricultural products like grains, pulses fruits, etc. Air helps in the pollination of flowers and dispersal of seeds.
APPEARS IN
संबंधित प्रश्न
Give two uses of the following component present in air:
water vapour
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
State what do you understand by the term ‘air’. Explain its importance to mankind.
Describe a simple experiment with the help of a diagram to show that Air exerts pressure
Answer in your own words.
What are the various constituents of air? Write their uses.
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
The process of conversion of iron into hydrated form of oxides is called _______.
Explain the following observations very briefly
A firki does not rotate in a closed area.
