- 1(current)
Q. No.Which of the following is not true about the blood vascular system of cockroach?
| 1. | It is of open type. |
| 2. | It delivers oxygen to the tissues. |
| 3. | Heart lies along the mid dorsal line of thorax and abdomen. |
| 4. | The haemolymph is composed of colourless plasma and haemocytes. |
Subtopic: Cockroach: Circulatory System |
71%
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Consider the given two statements:
| Assertion(A): | The cockroach has an open circulatory system with hemolymph. |
| Reason(R): | Open circulatory systems are more efficient for transport in large and active animals. |
| 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. | (A) is False but (R) is True. |
Subtopic: Cockroach: Circulatory System |
93%
From NCERT
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In cockroach:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The haemolymph is composed of colourless plasma and haemocytes. |
| II: | The heart lies along mid ventral line of thorax and abdomen. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Circulatory System |
From NCERT
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- 1(current)
Q. No.
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