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The formation of canal system in sponges...

The formation of canal system in sponges is due to

A

Folding of inner walls

B

Gastro-vascular system

C

Reproduction

D

Non-porous walls

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The correct Answer is:
A
Folding of inner walls
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AAKASH INSTITUTE-ANIMAL KINGDOM (GENERAL ACCOUNTS & NON-CHORDATES)-Assignment (Section-C)
  1. The organisms attached to the substratum, generally, possess

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  2. Benthic animals are those, which

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  3. The formation of canal system in sponges is due to

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  4. Nephridia of Earthworm are analogous to

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  5. Coelom is found between the cavity of

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  6. Which of the following statements is correct for sponges without excep...

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  7. Embryonated egg of Ascaris is

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  8. What is common among silver fish scorpion crab and honey bee

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  9. Most appropriate term to designate the life cycle of Obelia is

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  10. Solenocytes// flame cells are excretory structures of

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  11. Temperature changes in the environment affect most of the animals whic...

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  12. The process of series of changes from larva to adult, after embryonic ...

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  13. Similarity in Ascaris lumbricoides and Anopheles stephensi is

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  14. Which statement is correct?

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  15. Which of the following animals have scattered cells with cell - tissue...

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  16. Blastopore is the pore of :-

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  17. In Hydra, waste material of food digestion and nitrogenous waste mater...

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  18. In which of the following haemocyanin pigment is found?

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  19. In which animal, nerve cell is present but brain is absent ?

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  20. Which one of the following is a matching pair of an animal and a certa...

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