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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
उत्तर
rice plant
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संबंधित प्रश्न
What do you understand by the term polluted air?
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
Define the following:
Combustion.
Fill in the blank
The supporter of combustion in air is _____.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Compare respiration and combustion-both involving oxygen of the air.
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
Air is made up of oxygen only.
Nitrogen is used in the food packaging industry because it _____.
Aerated water contains
