Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) .
| Assertion (A): | With the help of several ommatidia, a cockroach can perceive several images of an object, i.e., mosaic vision. |
| Reason (R): | Mosaic vision gives more sensitivity but less resolution. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 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). |
| List I | List II | ||
| (a) | Crop | (i) | grinding the food particles |
| (b) | Proventriculus | (ii) | secretion of digestive juice |
| (c) | Hepatic caecae | (iii) | removal of nitrogenous waste |
| (d) | Malpighian tubules | (iv) | storage of food |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (iv) | (i) | (iii) |
| 4. | (i) | (iv) | (iii) | (ii) |
Tegmina in cockroach, arises from :
| 1. Prothorax and Mesothorax | 2. Prothorax |
| 3. Mesothorax | 4. Metathorax |
| (A) | Heart of cockroach consists of an elongated muscular tube lying along mid ventral line of thorax and abdomen. |
| (B) | In the head region, the brain is represented by supra-oesophageal ganglion, which supplies nerves to antennae and compound eyes. |
| Column-I | Column-II | ||
| a. | Crop | (i) | Removal of excretory products |
| b. | Hepatic caeca | (ii) | Storage of food |
| c. | Gizzard | (iii) | Secrete digestive juice |
| d. | Malpighian tubules | (iv) | Grinding of food particles |
| Column-I | Column-II | ||
| A. | Labium | (i) | Tongue |
| B. | Labrum | (ii) | Lower lip |
| C. | Hypopharynx | (iii) | Upper lip |
| A | B | C | |
| 1. | (ii) | (iii) | (i) |
| 2. | (ii) | (i) | (iii) |
| 3. | (iii) | (ii) | (i) |
| 4. | (i) | (ii) | (iii) |
| Column-I | Column-II | ||
| (a) | Testis | (i) | 2nd , 6th abdominal segment |
| (b) | Ovaries | (ii) | 4th , 6th abdominal segment |
| (c) | Mushroom gland | (iii) | 6th abdominal segment |
| (d) | Spermatheca | (iv) | 6th , 7th abdominal segment |