| Column I | Column II | ||
| a. | Striated muscles | (i) | Assist in the transportation of food through the digestive tract |
| b. | Visceral muscles | (ii) | Primarily involved in changes in the body postures |
| c. | Cardiac muscles |
(iii) | Fibers are branched and involuntary |
| Statement-A: | Neuroglia, the unit of neural system are excitable cells. |
| Statement-B: | Arrival of disturbance at the neuron’s endings, triggers events that always cause stimulation of adjacent neurons and other cells. |
| 1. | Both statements A and B are incorrect. |
| 2. | Both statements A and B are correct. |
| 3. | Only statement A is correct. |
| 4. | Only statement B is correct. |
| 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 |
| 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 |
| Statement A: | The excitable cells of neural tissue make up more than one-half the volume of neural tissue in human body |
| Statement B: | Bones have a hard and non-pliable ground substance |
| 1. | Both Statement A and Statement B are correct |
| 2. | Both Statement A and Statement B are incorrect |
| 3. | Only Statement B is correct |
| 4. | Only Statement A is 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 |
| Assertion (A): | Mast cells in the human body release excessive amounts if inflammatory chemical which cause allergic reactions. |
| Reason (R): | Allergens on reaching the human body stimulate mast cell in certain individuals. |
| 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. |