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प्रश्न
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
पर्याय
True
False
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उत्तर
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants- False.
Correct statement
The balance of oxygen in the atmosphere is maintained through photosynthesis in plants and respiration in animals.
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संबंधित प्रश्न
Tick (√) the most appropriate answer.
The humans pollute the air by :
Write ‘True’ or ‘False’ in front of following statement.
The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium oxide
Give reason:
When water is heated, we see bubbles rising up.
Name the following:
The component of air which is present more in industrial areas.
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
List out the uses of nitrogen.
The second major component of air is oxygen.
How to show the presence of carbon-di-oxide in the air?
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
