Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
(a) Organism X could be a human being. The breathing organs A are lungs.
(b) Organism Y could be a fish. The breathing organs B are gills.
(c) Organism Z could be a frog. The breathing organ C is skin and D are the lungs.
(d) (i) Z is an amphibian. (ii) Y is an aquatic organism. (iii) X is a terrestrial organism.
APPEARS IN
संबंधित प्रश्न
How are the lungs designed in human beings to maximize the area for exchange of gases?
The mountaineers carry oxygen with them because ______.
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Name the red pigment which carries oxygen in blood.
What organs are attached to the two bronchi?
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Describe the process of respiration in the following part of a plant:
Leaves
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
Which of the following is known as the energy currency of the cells in biology?
Veins and arteries carry blood. Which of these carry blood away from the heart?
Answer this question.
Name the organ of respiration in fishes.
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
List the organs of Human respiratory system.
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
____________ is necessary for the respiration in plant.
During respiration exchange of gases take place in
During the process of exhalation, the ribs move ______.
