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Modern representatives of an anicient li...

Modern representatives of an anicient link between the echinoderms and chordates are represented by

A

Hemichordata

B

Urochordata

C

Cephalochordata

D

vertebrates

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The correct Answer is:
A
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ARIHANT NEET-ANIMALIA -I (LOWER INVERTEBRATES)-CHAPTER EXERCISES (Taking it together) Assorted Questions of the Chapter for Advanced Level Practise
  1. In some animal groups,t he body is found divided into compartments wit...

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

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  3. Modern representatives of an anicient link between the echinoderms and...

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  4. Animals which have well marked digestive cavity are put under

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  5. Who described the animals nature of Porifera ?

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  6. Sponges form a sideline of evolution hence called

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  7. Sponges are porifers because their bodies have

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  8. Which cell of Leucosolenia sponge is self-replicating and capable of g...

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  9. Which one of the following cells take part in reproduction of sponges ...

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  10. Gametes in Leucosolenia are derived from

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  11. The cells surrounding the osculum in sponges are

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  12. The cells which line the spongocoel and the canals are called

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  13. Which of the following feature is universally present in all sponges

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  14. The inter-communicating cavities in the body of a sponge constitue

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  15. Canal system in sponges helps in

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  16. Rhagon type canal system in present in

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  17. The sponge body is supported by a skeleton made up of

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  18. In sponges, first food is ingested by the choanocytes and digestion is...

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  19. Which of the of following animal can successfully reproduce without ut...

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  20. During unfavourable conditions, the sponges form

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