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प्रश्न
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
विकल्प
gram plant
rice plant
sweet peas plant
peas plant
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उत्तर
rice plant
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
Briefly state the importance of Water vapour.
Give reason:
A burning candle stops burning if covered with a glass tumbler
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
Explain why mountaineers carry oxygen cylinders with them?
Inhaled air contains a large amount of carbon-di-oxide.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
______ is responsible for making clouds.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
