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Q. No.Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | Smooth muscle is fundamentally different from skeletal muscle and cardiac muscle. |
| Reason (R): | Smooth muscle is an involuntary non-striated muscle. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Introduction to Locomotion |
 69%
Cells of human body exhibit three main types of movements. Cytoskeleton elements called microfilaments play an important role in:
A. Amoeboid movements
B. Ciliary movements
C. Muscular movements
| 1. | Only A | 2. | Only A and B |
| 3. | Only A and C | 4. | A, B and C |
Subtopic: Â Introduction to Locomotion |
Please attempt this question first.
Hints
It is much easier for a small animal to run uphill than for a large animal, because
1. It is easier to carry a small body weight
2. Smaller animals have a higher metabolic rate
3. Small animals have a lower O2 requirement
4. The efficiency of muscles in large animals is less than in the small animals
Subtopic: Â Introduction to Locomotion |
 58%
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Q. No.
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