- 1(current)
Q. No.In the given diagram of alimentary canal of cockroach, A,B, C and D respectively are:
1. Gizzard, Crop, Hepatic cecae and Malpighian tubules
2. Gizzard, Crop, Malpighian tubules and Hepatic cecae
3. Crop, Gizzard, Hepatic cecae and Malpighian tubules
4. Crop, Gizzard, Malpighian tubules and Hepatic cecae
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Consider the given statements:
| I: | The crop in the alimentary canal of cockroach is also known as proventriculus, has six highly chitinous plates called teeth and helps in grinding food particles. |
| II: | The gizzard is sac-like structure used for storing food in cockroach. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
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The following diagram shows the alimentary canal of Periplaneta americana. Identify the incorrectly matched pair:
|
1. |
A |
Storing the food |
|
2. |
B |
Absorption of food |
|
3. |
C |
Secretion of digestive enzymes |
|
4. |
D |
Excretion and osmoregulation |
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Match the following columns with reference to cockroach and select the correct option :
| Column I | Column II | ||
| (a) | Grinding of the food particles | (i) | Hepatic caeca |
| (b) | Secrete gastric juice | (ii) | 10th segment |
| (c) | 10 pairs | (iii) | Proventriculus |
| (d) | Anal cerci | (iv) | Spiracles |
| (v) | Alary muscles |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (v) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (ii) | (iii) | (i) | (iv) |
- 1(current)
Q. No.
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