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Class 12BiologyHuman ReproductionPregnancy and Embryonic development
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In which of the following does the placenta form an important structure in development?

  • A
    Amphibians
  • B
    Reptiles
  • C
    Birds
  • D
    Mammals
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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Reproduction

Subtopic

Pregnancy and Embryonic development

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