Advertisements
Advertisements
प्रश्न
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
Advertisements
उत्तर
Almost all the living organisms present on earth inhale oxygen or use oxygen in the food making processes (plants use oxygen for photosynthesis). Hence, it is obvious that oxygen is an essential element for survival and there will be no life in the absence of oxygen.
APPEARS IN
संबंधित प्रश्न
Write down the composition of three main gases present in air by volume.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name the following:
The main, rare (inert) gas present in air.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
Carbon dioxide with water changes
Explain carbon dioxide and its uses.
The second major component of air is oxygen.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
