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In the members of phylum-Porifera...

In the members of phylum-Porifera

A

Sexes are not separated

B

fertilisation is internal and development is indirect

C

larva stage is found, which is morphologically different

D

All of these

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The correct Answer is:
D
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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 sponges prosopyle is

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  2. Identify the given figures. Which animals are their intermediate host ...

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  3. In the members of phylum-Porifera

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  4. Which of the following is a false statement ?

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  5. The internal skeleton of Leucosolenia is formed of calcareous

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  6. The principle cell types present in the body wall of Leucosolenia are ...

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  7. Choose the incorrect pair from the following

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  8. Sponges are multicellular organisms yet they have no respiratory organ...

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  9. Which one of the following statement about all four of Spogilla , leec...

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  10. Cnidarians exhibits two basic body forms called polyp and medusa. The ...

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  11. Recent biochemical evidence indicated that cnidarians , as well as spo...

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  12. Hydra/Obelia is

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  13. If a Hydra is cut into two parts

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  14. Choose the false statements .

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  15. Identify and tick the option which is incorrect feature of medusae.

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  16. In the life history of Aurelia, the correct chronological sequence of ...

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  17. Which of the following is true ?

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  18. Which of the following statements is not true ?

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  19. Which of the following statements is incorrect about ctenophora ?

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  20. Nuda and Beroe are members of class- Nuda of phylum -ctenphora . The s...

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