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Notochord is a...

Notochord is a

A

endodermally derived rod-like structure , formed on the ventral side

B

ectodermally derived rod-like structure , formed on the dorsal side

C

mesodermally derived rod-like structure formed on the dorsal side during embryonic development

D

mesodermally derived rod-like structure formed on the ventral side during embryonic development

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The correct Answer is:
C
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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. Choose the statements which is incorrect about homeothernic animals .

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  2. Poikilothermy is a phenomenon observed in

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  3. Notochord is a

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  4. Chordate animal belong to phylum

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  5. Which of the following phylum are included in enterozoa

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  6. Which pair of cells is present in epidermis of Hydra but not in its en...

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  7. In the figure given below , a discharges enidoblast is shown, Identify...

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  8. A sponge can be distinguised from other animals in having

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  9. Which of the following pairs is not correctly matched ?

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  10. Porocytes are special cells for the passage of

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  11. In sponges prosopyle is

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

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  13. In the members of phylum-Porifera

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  14. Which of the following is a false statement ?

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  15. The internal skeleton of Leucosolenia is formed of calcareous

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

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  17. Choose the incorrect pair from the following

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

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

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

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