In cockroach:
| I. | The entire midgut is lined by cuticle. |
| II. | Malpighian tubule is lined by glandular and ciliated cells. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
The '?' in the given figure shows:

| 1. | Tight junctions | 2. | Adhering junctions |
| 3. | Gap junctions | 4. | Desmosomes |
| I. | Blood transports respiratory gases |
| II. | Anal styles are absent in females |
| III. | There are 10 [5 pairs] of spiracles |
| IV. | Vision with the help of ommatidia is mosaic vision |
| V. | Development is paurometabolous |
Which of the following statement is incorrect regarding a frog?
1. Digestive system without salivary gland
2. Respiratory system without intercostal muscles
3. Circulatory system without SA node.
4. Reproductive system without copulatory organs.
| Assertion (A): | Neuroglial cells comprise more than one-half the volume of nervous tissue in human body. |
| Reason (R): | They help in propagation of nerve impulses and form a part of the synapse. |
| 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. |
| I: | Hepatic portal system |
| II: | Renal portal system |
Sinus venosus in the heart of a frog:
| I: | joins the left atrium |
| II: | pumps blood into the major arteries |
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: | are nucleated |
| II: | contain haemoglobin |
| Statement I: | Frog eye does not have closable eye lids. |
| Statement II: | A nictitating membrane provides protection to the eye, especially when the frog is swimming. |
| 1. | PCT | 2. | DCT |
| 3. | Trachea | 4. | Fallopian tube |