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Cells

Which of the ...

Question

Which of the following living organisms do not possess a circulatory system?

A

I and II

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B

II

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C

IV

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D

II and IV

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Solution

The correct options are
B
II

D
II and IV

Hydra and sponges do not possess any circulatory system as they have cellular level of organisation. The cellular level of organization means that the cells do not form organized tissues. Circulatory system is a characteristic of higher level of organisms which show organ-system type of body organization.

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Which of the following living organisms do not possess a circulatory system?

Q. Question 6
Which among the following has open circulatory system?

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(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iii)
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Q. Which of the following organisms does not possess a circulatory system?

Q. Which among the following have an open circulatory system?

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(ii) Mollusca
(iii) Annelida
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Q. Question 16
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(b) (ii) and (iii)
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