- 1(current)
Q. No.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 |
Subtopic: Â Cockroach: Digestive System |
 74%
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Consider the following statements about the digestive system of cockroaches and select the correct option:
1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. All statements are correct.
| I: | The alimentary canal of cockroaches consists of a foregut, midgut, and hindgut. |
| II: | The foregut includes the crop and gizzard, which are responsible for food storage and mechanical digestion, respectively. |
| III: | The hindgut is involved in absorption and assimilation of nutrients. |
1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. All statements are correct.
Subtopic: Â Cockroach: Digestive System |
From NCERT
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Hints
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Regarding 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
| I: | Gizzard helps in grinding the food particles. |
| II: | A ring of 6-8 blind tubules called hepatic or gastric caeca is present at the junction of foregut and midgut, which secretes digestive juice. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Cockroach: Digestive System |
 91%
From NCERT
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- 1(current)
Q. No.
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