which of the following is correct regarding embryonic development?
Biology · Class 12 · CBSE — Mock Test 29 Zoology
which of the following is correct regarding embryonic development?
- Heart sound of the foetus can be heard using stethoscope usually after four week of gastation
- First movement of foetus occurs just after 3rd month
- Implantation occur at morula stage
- Allantois serve as site of blood cell synthesis in foetal stage
Answer
(A) Heart sound of the foetus can be heard using stethoscope usually after four week of gastation
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