- 1(current)
Q. No.How many statements given below are correct?
1. 2
2. 1
3. 4
4. 3
| (i) | Relaxin is secreted by the ovary in the later phase of pregnancy. |
| (ii) | Inner cell mass differentiates into ectoderm and endoderm just before implantation. |
| (iii) | Implantation leads to pregnancy. |
| (iv) | Embryo with 8 to 16 blastomeres is called morula. |
2. 1
3. 4
4. 3
Subtopic: Â Embryonic Development till Gastrulation |Â Fertilization |Â Implantation |
 67%
Level 2: 60%+
Hints
Match the following columns I and II and choose the correct option.
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(iii), d(i)
3. a(ii), b(iv), c(i), d(iii)
4. a(iii), b(iv), c(i), d(ii)
| Column I | Column II | ||
| a. | Parturition | (i) | Release of ovum from ruptured Graafian follicle |
| b. | Menopause | (ii) | Delivery of the baby |
| c. | Ovulation | (iii) | Blastocyst becomes embedded in endometrium |
| d. | Implantation | (iv) | Menstrual cycles ceases around age of 50 years in human female |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(iii), d(i)
3. a(ii), b(iv), c(i), d(iii)
4. a(iii), b(iv), c(i), d(ii)
Subtopic: Â Menstrual Cycle: Pre Ovulatory Phase |Â Menstrual Cycle: Luteal Phase |Â Fetal Development & Parturition |Â Implantation |
 94%
Level 1: 80%+
Hints
Match Column-I with Column-II and select the correct option using the codes given below :
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(ii), b(iv), c(i), d(iii)
| Column-I | Column-II | ||
| a. | Clitoris | (i) | Antrum |
| b. | Tertiary follicle | (ii) | Golgi body |
| c. | Inner cell mass | (iii) | Homologous to penis of male |
| d. | Acrosome | (iv) | Stem cells |
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(ii), b(iv), c(i), d(iii)
Subtopic: Â Female External Genitalia |Â Implantation |Â oogenesis |
 94%
Level 1: 80%+
Hints
Read the following statements carefully and choose the option which has only correct statements
(a) The trophoblast layer of blastocyst gets attached with myometrium during implantation
(b) Inner cell mass gets differentiated as the embryo
(c) After attachment, the uterine cells divide rapidly and covers the blastocyst
(d)The blastocyst continues to divide and transforms into morula
(e) Chorionic villi which are surrounded by the uterine tissue, are formed before implantation
1. (a) , (b), (c)
2. (b), (c), (d)
3. (b), (c)
4. (b), (d)
(a) The trophoblast layer of blastocyst gets attached with myometrium during implantation
(b) Inner cell mass gets differentiated as the embryo
(c) After attachment, the uterine cells divide rapidly and covers the blastocyst
(d)The blastocyst continues to divide and transforms into morula
(e) Chorionic villi which are surrounded by the uterine tissue, are formed before implantation
1. (a) , (b), (c)
2. (b), (c), (d)
3. (b), (c)
4. (b), (d)
Subtopic: Â Embryonic Development till Gastrulation |Â Implantation |
 61%
Level 2: 60%+
Hints
| Assertion(A): | During early pregnancy, hCG prevents the disintegration of corpus luteum. |
| Reason(R): | Under the influence of hCG, the corpus luteum continues to produce progesterone which keeps endometrium intact. |
| 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. | Both (A) and (R) are false. |
Subtopic: Â Fetal Development & Parturition |Â Implantation |
 81%
Level 1: 80%+
Hints
| Assertion (A): | hCG, and hPL are produced in women only during pregnancy. |
| Reason (R): | These hormones are produced by placenta. |
| 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. | Both (A) and (R) are False. |
Subtopic: Â Implantation : Part 1 |Â Implantation : Part 2 |Â Fetal Development & Parturition |Â Implantation |
 83%
Level 1: 80%+
Hints
| Assertion(A): | The inner cell mass of blastocyst differentiates into outer and inner layer just before implantation. |
| Reason(R): | The outer layer of blastocyst forms the embryo. |
| 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. | Both (A) and (R) are false. |
Subtopic: Â Implantation : Part 1 |Â Implantation : Part 2 |Â Embryonic Development till Gastrulation |Â Fetal Development & Parturition |Â Implantation |
 63%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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