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Presence of gills in the tadpole of frog...

Presence of gills in the tadpole of frog indicates that

A

fishes were amphibious in the past

B

fishes evolved from frog-like ancestors

C

frogs will have gills in future

D

frogs evolved from gilled ancestor

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The correct Answer is:
D
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FULL MARKS-ORGAN AND ORGAN SYSTEMS IN ANIMALS -ADDITIONAL QUESTIONS SOLVED (III Answer the following Questions)
  1. Presence of gills in the tadpole of frog indicates that

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  2. Classify earthworms based on their ecological strategies.

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  3. Explain the morphology of earthworm, Lampito mauritii.

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  4. Explain the internal structure of the earthworm.

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  5. Write a note on coelom of earthworm.

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  6. Give an detailed account on Earthworn digestive system with diagr...

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  7. What is typhlosole? Mention its function.

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  8. Explain the nervous system of earthworm.

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  9. Explain the receptors in earthworm.

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  10. Explain the excretory system of the earthworm.

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  11. Explain the male reproductive system of the earthworm.

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  12. Explain the female reproductive system of earthworm

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  13. Why is self fertilization is not possible in earthworm?

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  14. Write a short note on the life cycle of earthworm.

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  15. Why earthworm is called as farmer's friend?

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  16. Write a short note on Vermitech and Vermiculture, Vermicomposting, Ver...

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  17. Explain the morphology of cockroach.

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  18. Explain the digestive system of cockroach.

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  19. Explain the circulatory system of cockroach.

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  20. Explain the nervous system of cockroach

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  21. Write about the sense organs of cockroach.

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