61. In frog cutaneous respiration takes place

A In water
B Oh land
C In hibernation
D All (Always)
Answer :   All (Always)
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62. Respiratory centre is present in

A Cerebellum
B Cerebrum
C Medulla oblongata
D Hypothalamus
Answer :   Medulla oblongata
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63. Select the correct statement.

A Expiration is initiated due to contraction of diaphragm
B Expiration occurs due to external intercostal muscles
C Intrapulmonary pressure is lower than the atmospheric pressure during inspiration
D Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure
Answer :   Intrapulmonary pressure is lower than the atmospheric pressure during inspiration
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64. The layer of blood vessel having smooth circular muscles is

A Outer
B Inner
C Middle
D Both B and C
Answer :   Middle
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65. The covering of lungs in Rabbit is

A Peritoneum
B Pericardium
C Pleural membrane e
D Pericardium
Answer :   Pleural membrane e
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66. If CO2 concentration increases in blood then breathing will

A Increases
B Decrease
C Stop
D Remain unchang
Answer :   Increases
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67. Which one of the following statement is correct

A Chest expands because air enters into the lungs
B Air enters into the lungs because chest expands Hibiscus cannabinus
C The muscles of the diaphragm contracts because air enters into the lungs
D Increases
Answer :   Air enters into the lungs because chest expands Hibiscus cannabinus
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68. CO is transported as

A Dissolved in blood plasma
B As carbonic acid
C In carbaminohaemoglobin
D Lion
Answer :   Lion
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69. Arytenoid cartilage is found in

A Hyoid
B Sternum
C Larynx
D Nose
Answer :   Larynx
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70. Adam's Apple represents

A Arytenoid cartilage of larynx
B Cricoid cartilage of larynx
C Thyroid cartilage of larynx
D All of the above
Answer :   Thyroid cartilage of larynx
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