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Q. No.Consider the given two statements:
| Assertion (A): | The blastocyst undergoes implantation in the endometrium shortly after reaching the uterus. |
| Reason (R): | Implantation triggers the release of relaxin, which softens the cervix in preparation for childbirth. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Implantation |
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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 |
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Q. No.
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