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प्रश्न
Name an animal which depends on simple diffusion of gases for breathing.
उत्तर
Amoeba depends on simple diffusion of gases for breathing.
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संबंधित प्रश्न
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
Why do fishes die when taken out of water?
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Name the energy currency in the living organisms. When and where is it produced?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
In cockroaches, air enters the body through:
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?
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?
An animal in which the oxygenation of blood does not take place in the lungs is:
State one function of the following:
Pleural fluid
How is the respiratory passage kept free of dust particles?
How much percent of C02 is transported in a dissolved form as carbonic acid?
Which is the correct sequence of air passage during inhalation?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
Yeast is used in wine and beer industries because it respires
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
