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One very special feature in the earthworm Pheretima is that
Options
(a) fertilisation for eggs occurs inside the body
(b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
(c) the S- shaped setae embedded in the integument are the defensive weapons used against the enemies
(d) it has a long dorsal tubular heart
Correct Answer:
the typhlosole greatly increases the effective absorption area of the digested food in the intestine
Explanation:
The intestine of an earthworm has a peculiar fold of tissue that forms a pocket in the intestine that is visible when viewing a cross section. This space, which runs almost the whole length of the body dorsally is known as the typhlosole and it serves to increase the surface area of the intestine for absorption
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Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Alary muscle is associated with
- Necrosis or death of tissue particularly leaf tissue is due to the deficiency
- Chromosomes which have definite role in sex determination are
- When a potato piece is kept in a concentrated salt solution then
- How many meiotic divisions would be required to produce 101 female gametophytes
Topics: Structural Organisation In Animals (175)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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