- 1(current)
Q. No.The last of the germ layers to appear in the human embryonic development is the:
1. Ectoderm
2. Endoderm
3. Mesoderm
4. All the three germ layers appear simultaneously
1. Ectoderm
2. Endoderm
3. Mesoderm
4. All the three germ layers appear simultaneously
Subtopic: Â Fetal Development & Parturition |
 58%
From NCERT
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Identify the correct statements:
1. Only a, b and c
2. Only a, c and d
3. Only a, b and d
4. a, b, c and d
| a: | Internal fertilisation takes place in mammals |
| b: | Colostrum contains antibodies and nutrients |
| c: | Polyspermy in mammals is prevented by corona radiata |
| d: | In the human female, implantation occurs almost seven days after fertilisation |
2. Only a, c and d
3. Only a, b and d
4. a, b, c and d
Subtopic: Â Fetal Development & Parturition |Â Fertilization |Â Implantation |
 59%
From NCERT
Please attempt this question first.
Hints
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- 1(current)
Q. No.
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