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IASbaba’s TLP OPTIONAL – 2017 : Zoology [25th July, 2017] – Day 12

  • July 25, 2017
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Zoology
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IASbaba’s TLP OPTIONAL – 2017 : Zoology [25th July, 2017] – Day 12

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Q.1) Write short notes on the followings (not more than 200 words)

  1. Retrogressive metamorphosis
  2. Significance of protochordates in evolution
  3. Embryological evidences of affinities of hemichordate
  4. Notochord

Q.2) Diagrammatically discuss life cycle of Branchiostoma.


Q.3) Discuss affinities of protochordates with other phyla of animal kingdom.

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