| Statement A: | All smooth muscle fibres are involuntary muscle fibres are not smooth muscle fibres. |
| Statement B: | In nearly all animal tissues, specialised junctions provide both structural and functional links between its individual cells. |
| 1. | Only statement A is correct |
| 2. | Only statement B is correct |
| 3. | Both statement A and B are incorrect |
| 4. | Both statements A and B are correct |
| Column I | Column II | ||
| a. | Gap junctions | (i) | Help in stopping substances from leaking across a tissue |
| b. | Adhering junctions | (ii) | Keep neighbouring cells attached to each other |
| c. | Tight junctions | (iii) | Connect the cytoplasm of adjoining cells |
| (iv) | Facilitate communication between cells |
| Column-I | Column-II | ||
| a. | Adhering junctions | (i) | Prevent the leaking of substances across the tissue |
| b. | Gap junctions | (ii) | Rapid transfer of ions, small molecules between adjoining cells |
| c. | Synapse | (iii) | Perform cementing to keep neighboring cells together |
| d. | Tight junctions | (iv) | Transmit information through chemicals to other cells |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Urinary bladder is lined by transitional epithelium. |
| Reason (R): | Transitional epithelium always keeps the bladder volume constant. |
| 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. |
| Assertion (A): | Goblet cells are found in the alimentary canal. |
| Reason (R): | Goblet cells secrete mucus. |
| 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. |
| Options | A | B | C | D |
| 1. | Simple squamous epithelium | small | slender | Adhering junction |
| 2. | Compound epithelium | Tall | Thick | Gap junction |
| 3. | Simple squamous epithelium | Small | Slender | Gap junction |
| 4. | Compound epithelium | Tall | Slender | Adhering junction |