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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.
विकल्प
True
False
उत्तर
True.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Give reason:
Aquatic animals and plants are able to survive in the matter.
Why is air considered as a mixture?
How will you prove that soil contains air in it?
List uses of oxygen.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
What is the composition of air?
The solid form of CO2 is called dry ice which undergoes condensation.
Boojho took an empty plastic bottle, turned it upside down, and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
(i) Bubbles of air came out from the bottle.
(ii) Some water entered the bottle.
(iii) Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
(iv) No bubbles formed, only water entered the bottle.
Which observations is/are correct?
