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Primitive nervous system is formed in ……...

Primitive nervous system is formed in …………………. .

A

sponge

B

cnidaria (coelenterate)

C

echinodermata

D

annelida

Text Solution

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The correct Answer is:
B
cnidaria (coelenterate)
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FULL MARKS-KINGDOM ANIMALIA-ENTRANCE EXAMINATION QUESTIONS SOLVED (CHOOSE THE CORRECT ANSWER)
  1. Polyp phase is absent in …………………. .

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  2. Animals having pseudocoelomate and triploblastic nature are present in...

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  3. Primitive nervous system is formed in …………………. .

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  4. Tissues are absent in the body of ……………….. .

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  5. Linmulus belongs to class …………………. .

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  6. Ambulacral system is mainly useful for……………………… .

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  7. Which of the following is a excretory organ in mollusca?

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  8. Mouth parts of housefly are

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  9. Anus is absent in ……………….

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  10. Asymmetry in gastropoda is due to …………………. .

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  11. The pigment haemocyanin is found in …………………. .

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  12. The development of adult characteristics in a moulting insect is promo...

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  13. If you are given an insect, a spider, a Peripatus and a crab, based on...

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  14. Choanocytes perform

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  15. Common characteristics of cockroach, housefly and mosquito are ………………....

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  16. The secondary host of Taenia is ………………. .

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  17. The exoskeleton of insect is made up of

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  18. Collar cells are found in ………………… .

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  19. Ommatidia are the units that constitute the compound eyes in …………………....

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  20. Which of the following animals possesses ink gland?

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