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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?
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
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
What would happen if all the green plants disappear from the earth?
Name two animals which breathe through gills.
Fill in the following blank with suitable word:
The organs of respiration in man are the _____________.
Describe the process of respiration in fish.
Describe the process of respiration in the following part of a plant:
Leaves
Why do fishes die when taken out of water?
What is the function of the respiratory system?
Give the main points of difference between respiration in plants and respiration in animals.
What type of repiration takes place in yeast?
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
With which human organ system (or human systems) is alveoli associated?
In the lungs what substance is removed from the body?
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Choose the odd one out in the following groups of four items each:
Hairy, Moist, Nostril, Vocal cord
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
Cartilaginous |
Epiglottis |
|
Large surface area |
Diaphragm |
|
Breathing movements |
Bronchi |
|
Voice |
Alveoli |
|
Complemental air |
Larynx |
|
Swallowing |
Extra inhalation |
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body.
