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#Question id: 5543


What is the purpose of the chorion in terrestrial vertebrate embryos?

#SCPH06 I Botany
  1. To keep the embryo moist

  2. To exchange oxygen and carbon dioxide with the environment

  3. To absorb nutrients stored in yolk

  4. To store nitrogenous waste


Answer:- Option(s): 2


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#Question id: 8912

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Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition

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When does a human egg cell accomplish its meiotic division?

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#Question id: 2160

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#SCPH06 I Botany

Which two groups have members that undergo ecdysis?

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#Question id: 17209

#I Life Science/ Life Sciences Group – I-V

Which one of the following is a database of protein sequence motifs?

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