NEET Zoology
Cockroach Digestive System
Low Priority
Consistency: 10%
Weightage: 2 / 20 Yrs
High-Yield Trend
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2021 2
2020 Questions 3 MCQs
01
PYQ 2020
easy
zoology ID: neet-202
In cockroach, identify the parts of the foregut in correct sequence:
| 1. | Mouth → Oesophagus → Pharynx → Crop → Gizzard |
| 2. | Mouth → Crop → Pharynx → Oesophagus → Gizzard |
| 3. | Mouth → Gizzard → Crop → Pharynx → Oesophagus |
| 4. | Mouth → Pharynx → Oesophagus → Crop → Gizzard |
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02
PYQ 2020
easy
zoology ID: neet-202
Match the following columns with reference to cockroach and select the correct option:
| Column - I | Column - II |
| (a) Grinding of | (i) Hepatic caeca the food particles |
| (b) Secrete gastric | (ii) 10th segment juice |
| (c) 10 pairs | (iii) Proventriculus |
| (d) Anal cerci | (iv) Spiracles |
| (v) Alary muscles |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (v) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (ii) | (iii) | (i) | (iv) |
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03
PYQ 2021
easy
zoology ID: neet-202
Which one of the following characteristics is incorrect with respect to cockroaches?
| 1. | In females, 7th - 9th sterna together form a genital pouch. |
| 2. | 10th abdominal segment in both sexes, bears a pair of anal cerci. |
| 3. | A ring of gastric caeca is present at the junction of midgut and hind gut. |
| 4. | Hypopharynx lies within the cavity enclosed by the mouth parts. |
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