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Phylum Arthropoda

The body cavi...

Question

The body cavity of arthropods is

A

Pseudocoel

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B

Coelom

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C

Haemocoel

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D

Acoelom

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Solution

The correct option is C Haemocoel
Arthropod's primary internal cavity is hemocoel, which accommodates their internal organs and through their haemolymph (analogue of blood), they circulate in their open circulatory system. The body cavity is known as sinus which is divided into the pericardial sinus, perivisceral sinus and perineural sinus. Therefore, the correct answer is option C.

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Similar questions

Q. Read the following statements:
i) True coelom is a body cavity which arises as a cavity in the embryonic mesoderm
ii) Digestive cavity is found in acoelomates, pseudocoelmates as well as coelomates
iii) The body cavity of arthropods and non-cephaloped molluscs is called haemocoel
iv) Aschelminthes possess true body cavity
v) Echinoderms are bilaterally symmetrical
Which of the above statements are correct?

Q. Read the following statements
(i) True coelom is a body cavity which arises as a cavity in the embryonic mesoderm.
(ii) Digestive cavity is found in acoelomates, pseudocoelomates as well as coelomates.
(iii) The body cavity of arthropods and non-cephalopod molluscs is called haemocoel.
(iv) Aschelminthes possess true body cavity.
(v) There is no cavity between the body wall and gut in Echinoderms.
Which of the statements are correct?

Q. Value based questions.
Give a one-word scientific term for the following:
Blood filled cavity in arthropods.

Q. Body of arthropods is segmented generally into

Provide appropriate technical term in the space provided.

(a) Blood-filled cavity in arthropods .........................

(b) Free-floating form of cnidaria.......................

(c) Stinging organ of jelly fishes......................

(d) Lateral appendages in aquatic annelids...........................

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