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[A] : The body cavity of earthworm is a ...

[A] : The body cavity of earthworm is a true coelem .
[R] : It is lined by peritoneum derived from ectoderm .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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  2. [A] : Annelids , Arthropods and mollusks are protostomial coelomates ....

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  11. [A] : All invertebrates can keep their body temperature constant all t...

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  12. [A] : In Taenia solium , bladder worm is also known as cysticercus . ...

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  13. [A] : Earthworm obtain oxygen for respiration through moist skin . The...

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  14. [A] : Presence of alimentary canal would not have suited the mode of l...

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