Read Notes on Respiration in Organisms
Q.1. In cockroaches, air enters the body through
A. Lungs
B. Gills
C. Spiracle
D. Tracheae
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C. Spiracle.
Q.2. During heavy exercise, we get cramps in the legs due to the accumulation of
A. Carbon dioxide.
B. Lactic acid.
C. Alcohol.
D. Water.
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B. Lactic acid.
Q.3. Normal range of breathing rate per minute in an average adult person at rest is:
A. 9-12
B. 15-18
C. 21-24
D. 30-33
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B. 15-18.
Q.4. During exhalation, the ribs
A. move outwards.
B. move downwards.
C. move upwards.
D. do not move at all.
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B. move downwards.
Q.5. The mountaineers carry oxygen with them because:
A. At an altitude of more than 5 km there is no air.
B. The amount of air available to a person is less than that available on the ground.
C. The temperature of air is higher than that on the ground.
D. The pressure of air is higher than that on the ground.
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B. The amount of air available to a person is less than that available on the ground.
Q.6. Match the items in Column I with those in Column II:
(a) Yeast (i) Earthworm
(b) Diaphragm (ii) Gills
(c) Skin (iii) Alcohol
(d) Leaves (iv) Chest cavity
(e) Fish (v) Stomata
f) Frog (vi) Lungs and skin
A. a-iii, b-iv, c-i, d-v, e-ii, f-vi.
B. a-ii, b-iii, c-iv, d-v, e-iii, f-vi
C. a-iii, b-iv, c-v, d-vi, e-ii, f-i
D. a-i, b-ii, c-iii, d-iv, e-v, f-vi
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A. a-iii, b-iv, c-i, d-v, e-ii, f-vi
Q.7. Which of the following statements is / are correct:
I. During heavy exercise the breathing rate of a person slows down.
II. Plants carry out photosynthesis only during the day and respiration only at night.
III. Frogs breathe through their skins as well as their lungs.
IV. The fishes have lungs for respiration.
V. The size of the chest cavity increases during inhalation.
A. Only III.
B. Only III and V.
C. Only I, II and IV.
D. All of the above.
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B. Only III and V.
Q.8. Air Tubes of Insects for gas exchange are called _______.
A. Tracheae.
B. Spiracles.
C. Diaphragm.
D. Gills.
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A. Tracheae.
Q.9. Skeletal structures surrounding chest cavity is called _________.
A. Ribs.
B. Diaphragms.
C. Tracheae.
D. Spiracles.
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A. Ribs.
Q.10. Small openings on sides of a cockroach's body is called as ________.
A. Ribs.
B. Diaphragms.
C. Tracheae.
D. Spiracles.
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D. Spiracles
Q.11. Process of breaking down glucose into carbon dioxide and water using oxygen is called ________.
A. Aerobic Respiration.
B. Anaerobic Respiration.
C. Both A and B.
D. None of these.
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A. Aerobic Respiration.
Q.12. In anaerobic respiration in organism such as yeast, glucose breaks down into
A. Alcohol and Carbon dioxide.
B. Carbon dioxide and water.
C. Alcohol and water.
D. Only Alcohol.
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A. Alcohol and Carbon dioxide.
Q.13. A large, muscular sheets called ________ forms the floor of chest cavity.
A. Ribs.
B. Diaphragms.
C. Tracheae.
D. Spiracles.
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B. Diaphragms.
Q.14. Which of the below organisms can breathe through skin as well as lungs?
A. Human Being.
B. Frog.
C. Cockroach.
D. Earthworm.
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B. Frog.
Read Notes on Respiration in Organisms
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