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Echinoderms are characterised by (a) Exc...

Echinoderms are characterised by
(a) Exclusively marine habitat and calcareous endoskeleton
(b) Presence of water vascular system and tube feet for locomotion
(c) Bilateral symmetry in larvae and radial symmetry in adults
(d) All of these

A

Exclusively marine habitat and calcareous endoskeleton

B

Presence of water vascular system and tube feet for locomotion

C

Bilateral symmetry in larvae and radial symmetry in adults

D

All of these

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The correct Answer is:
D
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AAKASH INSTITUTE-MOCKTEST 22: ZOOLOGY-EXAMPLE
  1. Consider the following statements w.r.t. molluscs.Gills also perform e...

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  2. Pearl is formed when a foreign substance gets trapped between A of B

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  3. Echinoderms are characterised by (a) Exclusively marine habitat and ca...

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  4. Which of the following is incorrect match between organism and its lar...

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  5. The character of starfish to break away a part of its body is

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  6. Consider the following characters: (a) Aboral surface bears anus and m...

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  7. Aristotle's lantern is associated with (a) Respiration in Ophiura (b...

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  8. Balanoglossus is commonly known as

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  9. Read the following statements.Statement-A: Balanoglossus has segmented...

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  10. Which of the following is not a characteristic feature of Hemichordate...

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  11. Which of the following organisms has tomaria and Auricularia as their ...

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  12. Chordates differ from non chordates in having

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  13. All chordates have (a) Notochord in adult stage (b) Solid nerve cord...

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  14. Which of the following is not a feature of urochordates?

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  15. Read the following statements. (A)All the protochordates are marine.(B...

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  16. Consider the following structures. (A) Notochord(B) Pharyngeal gill sl...

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  17. In adult urochordate, lateral line system is absent because

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  18. Retrogressive metamorphosis is found in Amphioxus/Herdmania.

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  19. Branchial basket is the modification of

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  20. Consider the following structures :(i) Notochord(ii) Nerve cord(iii) P...

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