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प्रश्न
Tick the most appropriate answer.
The products of respiration are :
विकल्प
carbon dioxide and oxygen
oxygen and energy
carbon dioxide, water, and energy
carbon dioxide, oxygen, and energy.
उत्तर
carbon dioxide, water, and energy
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संबंधित प्रश्न
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
Why do fishes die when taken out of water?
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
Which of the following is most likely to have a much higher breathing rate?
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Veins and arteries carry blood. Which of these carry blood back to the heart?
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
How does aerobic respiration differ from anaerobic respiration?
