NEET Zoology
Earthworm
Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
1
2021 1
2011 1
2009 1
2008 Questions 4 MCQs
01
PYQ 2008
easy
zoology ID: neet-200
Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to:
1. coelomic fluid
2. blood
3. gut peristalsis
4. setae
1. coelomic fluid
2. blood
3. gut peristalsis
4. setae
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2009
easy
zoology ID: neet-200
If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is:
1. excretory fluid
2. coelomic fluid
3. haemolymph
4. slimy mucus
1
(1)
2
(2)
3
(3)
4
(4)
03
PYQ 2011
medium
zoology ID: neet-201
One very special feature in the earthworm Pheretima is that:
| 1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
| 2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
| 3. | it has a long dorsal tubular heart |
| 4. | fertilization of eggs occurs inside the body |
1
(1)
2
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(3)
4
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04
PYQ 2021
medium
zoology ID: neet-202
Following are the statements about prostomium of earthworm.
| (a) | It serves as a covering for mouth. |
| (b) | It helps to open cracks in the soil into which it can crawl. |
| (c) | It is one of the sensory structures. |
| (d) | It is the first body segment. |
Choose the correct answer from the options given below:
1. (a), (b), (c) and (d) are correct
2. (b) and (c) are correct
3. (a), (b) and (c) are correct
4. (a), (b) and (d) are correct
1
(1)
2
(2)
3
(3)
4
(4)