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Earthworms during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton because
Options
(a) coelomic fluid
(b) blood
(c) gut peristalsis
(d) setae
Correct Answer:
coelomic fluid
Explanation:
Earthworms have no skeleton but during burrowing, anterior end becomes turgid and acts as a hydraulic skeleton. It is due to coelomic fluid. The coelom is filled with an alkaline milky coelomic fluid. This coelomic fliud contains water, salts, proteins and 4 types of cells namely amoebocytes, mucocytes, circular cells and chloragogen cells
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structural Organisation In Animals
(175)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pure line breed refers to
- Which of the following changes involved in irrelevant in the evolution of man
- What type of spores are in bryophytes
- Which one of the following statement pertaining to plant structure is correct
- A stack of 20-50 thylakoids in a chloroplast forms
Question Type: Memory (964)
Difficulty Level: Easy (1008)
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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