MHT CET · BIOLOGY · STD 12 - 2. Reproduction in Lower and Higher Animals
One of the human embryonic developmental stages has been shown in the diagram. What do the A and B indicate?
- A A-Trophoblast; B-Yolk sac
- B A-Inner mass of cells; B-Antrum
- C A-Ectoderm; B-Amniotic cavity
- D A-Inner mass of cells; B-Blastocoel
Answer & Solution
Correct Answer
(D) A-Inner mass of cells; B-Blastocoel
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