Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Presence of connective tissue inside the brain is essential for conduction of nerve impulse. |
Reason (R): | Connective tissue hold together the nerve cells of brain. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Assertion : Neurons are said to possess the property of excitability.
Reason : Neurons can get excited by a given stimulus.
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Non-myelinated nerve fibres do not possess nodes of Ranvier. |
Reason (R): | This is due to the absence of nissl’s bodies in node of Ranvier. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Extracellular materials help in separation of cells. |
Reason (R): | Cell junctions are formed by extra cellular materials. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Epithelial tissues protect the under lying and over lying tissues. |
Reason (R): | Materials are exchanged at the surfaces across the epithelial tissues. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | The cells of columnar epithelium in absorptive surfaces often bears microvilli on their free ends. |
Reason (R): | Microvilli on their free ends. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Assertion : Ciliated epithelium helps in movement of particles.
Reason : Cilia help in movement.
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Fibroblasts help in protection. |
Reason (R): | Fibroblasts synthesize two kinds of protein which are protective in nature. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Pinna of ear is elastic in nature. |
Reason (R): | Hyaline cartilage present in pinna. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | Lining of some hollow organs & cavities are moist. |
Reason (R): | This is because of the mucus secreted by the connective tissue. |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |