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प्रश्न
Answer the following in short.
Define respiration.
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उत्तर
The process of conversion of glucose molecules in food into energy-rich molecules, carbon dioxide, and water with the help of oxygen are known as respiration.
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संबंधित प्रश्न
Name the areas in a woody stem through which respiratory exchange of gases takes place.
Where in the lungs does gas exchange take place?
What is the other name of wind-pipe?
Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.
Describe the process of respiration in the following part of a plant:
Root
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
An organism X having breathing organs A lives on land. When organism X goes underwater, it cannot survive for a long time unless carrying an oxygen cylinder. On the other hand, the organism Y having breathing organs B always lives in water and if taken out of the water, it dies after a short while. A third organism Z having breathing organs C and D which lives on the banks of ponds, lakes, and rivers can survive on land as well as in water equally well.
(a) What could organism X be? Name the breathing organs A.
(b) What could organism Y be? Name the breathing organs B.
(c) What could organism Z be? Name the breathing organs C and D.
(d) Out of X, Y, and Z, which organism is (i) amphibian, (ii) aquatic, and (iii)
terrestrial?
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
____________ is necessary for the respiration in plant.
How does aerobic respiration differ from anaerobic respiration?
