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प्रश्न
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.
पर्याय
True
False
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उत्तर
True.
संबंधित प्रश्न
What is nitrogen-fixation?
Describe a simple experiment to show that l/5th of air is oxygen.
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Complete and balance the following equation
CaO + H2O →
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
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.
The amount of water vapour in the air is more in windy places than in other areas.
The composition of air changes slightly from place to place. Give examples.
