CSS :: Respiratory System
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1. |
Respiration is: |
A. |
An energy yielding process |
B. |
An energy consuming process |
C. |
A biosynthetic process |
D. |
None of these |
Answer: Option A
Explanation:
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2. |
External respiration is: |
A. |
A simple physical process involving gaseous exchanges |
B. |
Complex chemical process involving a series of reactions |
C. |
Transport of gases from blood to tissue |
D. |
None of these |
Answer: Option A
Explanation:
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3. |
Chemical degradation of food substances occurs within cells during: |
A. |
Breathing |
B. |
Internal respiration |
C. |
Tissue respiration |
D. |
All of these |
Answer: Option C
Explanation:
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4. |
Respiratory organs in frog are: |
A. |
Skin |
B. |
Buccopharyngeal cavity |
C. |
Lungs |
D. |
All of these |
Answer: Option D
Explanation:
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5. |
Which of the following respirations in frog account for about 65% of O2 intake: |
A. |
Cutaneous |
B. |
Buccopharyngeal |
C. |
Pulmonary |
D. |
All of these |
Answer: Option C
Explanation:
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6. |
Cutaneous respiration in frog account for about: |
A. |
5% of total O2 intake |
B. |
30% of total O2 intake |
C. |
65% of total O2 intake |
D. |
80% of total O2 intake |
Answer: Option B
Explanation:
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7. |
During buccopharyngeal cavity is the floor of buccopharyngeal cavity is subjected to oscillatory movements by action of: |
A. |
Stemohyal muscles |
B. |
Perohyal muscles |
C. |
Both of these muscles |
D. |
None of these muscles |
Answer: Option B
Explanation:
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8. |
During buccopharyngeal respiration in frog: |
A. |
Mouth, gullet, glottis and nares remain open |
B. |
Mouth, gullet, glottis remain closed but nares remain open |
C. |
Mouth remains closed but gullet, glottis and nares remain open |
D. |
Mouth and gullet remain - closed but glottis and nares remain open |
Answer: Option A
Explanation:
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9. |
In frog the buccopharyngeal respiration accounts for about: |
A. |
5% of total O2 intake |
B. |
10% of total O2 intake |
C. |
20% of total O2 intake |
D. |
25% of total O2 intake |
Answer: Option A
Explanation:
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10. |
Lungs in frog are: |
A. |
Distensible, pinkish sac-like structures |
B. |
Distensible, pinkish and solid structures |
C. |
Distensible, pinkish and spongy structures |
D. |
Distensible, rosy and spongy structures |
Answer: Option A
Explanation:
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