- 1(current)
Q. No.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 |
Subtopic: Earthworm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf 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
Subtopic: Earthworm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEarthworms 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
Subtopic: Earthworm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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