Match each item in Column I with one in Column II and choose your answer from the codes given below:
| Tissue | Location | ||
| (a) | Simple Squamous | (i) | Blood vessels epithelium |
| (b) | Cuboidal brush | (ii) | PCT of nephron-bordered epithelium |
| (c) | Dense irregular | (iii) | In the skin connective |
| (d) | Areolar | (iv) | Beneath the skin |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (i) | (iii) | (ii) | (iv) |
| 3. | (i) | (ii) | (iv) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
| Assertion (A): | Compound epithelium is always made up of more than one layer of cells. |
| Reason (R): | Its main function is to provide protection against chemical and mechanical stresses. |
| 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. |
Frog’s heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
| 1. | Frog is a poikilotherm. |
| 2. | Frog does not have any coronary circulation. |
| 3. | Heart is "myogenic" in nature |
| 4. | Heart is autoexcitable |
| 1. | Only (d) |
| 2. | (a) and (b) |
| 3. | (c) and (d) |
| 4. | Only (c) |
Cartilage is present
| A. | In the tip of nose and middle ear joints |
| B. | Between adjacent bones of vertebral column |
| C. | Between adjacent bones of limbs and hands in adults |
1. A, B and C
2. A and B
3. B and C
4. A and C
Following are the statements about prostomium of earthworm.
| (a) | It serves as a covering for mouth. |
| (b) | It helps to open cracks in the soil into which it can crawl. |
| (c) | It is one of the sensory structures. |
| (d) | It is the first body segment. |
Choose the correct answer from the options given below:
1. (a), (b), (c) and (d) are correct
2. (b) and (c) are correct
3. (a), (b) and (c) are correct
4. (a), (b) and (d) are correct
| List-I | List-II | ||
| A. | Blood | I. | Adipose tissue |
| B. | Glial cells | II. | Connective tissue |
| C. | Air sacs and lungs | III. | Nervous tissue |
| D. | Skin | IV. | Squamous epithelium |
| 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 |