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 correct but (R) is not correct. |
2. | (A) is not correct but (R) is correct. |
3. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are correct 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 |
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 |