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Q. No.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)
Subtopic: Embryonic Development till Gastrulation | Implantation |
58%
From NCERT
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Read the following statements A and B. Choose the correct answer from the options given below :
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
| Statement A: | The ovulatory phase is followed by luteal phase during which the remaining parts of the Graffian follicle transforms into the corpus luteum |
| Statement B: | Cyclic menstruation is an indicator of normal reproductive phase and extends between menarche and menopause |
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
87%
From NCERT
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Match column-I with column-II and choose the correct option
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(i), d(ii)
3. a(iii), b(ii), c(iv), d(i)
4. a(ii), b(iv), c(i), d(iii)
| Column-I | Column-II | ||
| a. | Sertoli cells | (i) | Starts only after attaining puberty |
| b. | Ovarian follicles | (ii) | Induced by a complex neuroendocrine mechanism |
| c. | Menstrual cycle | (iii) | Are found embedded in stroma |
| d. | Parturition | (iv) | Provide nutrition to the dividing germ cells |
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(i), d(ii)
3. a(iii), b(ii), c(iv), d(i)
4. a(ii), b(iv), c(i), d(iii)
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
96%
From NCERT
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Read the following statements (a-d):
Choose the option containing all correct statements
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (d)
| (a) | Inner cell mass gets differentiated as the embryo after implantation |
| (b) | After attachment of embryo with uterus, the uterine cells divide rapidly and cover the blastocyst |
| (c) | The blastocyst continues to divide and transforms into morula |
| (d) | After implantation, the blastocyst becomes embedded within myometrium of uterus |
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (d)
Subtopic: Implantation : Part 1 | Implantation : Part 2 |
82%
From NCERT
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| Assertion(A): | In humans, all copulations cannot lead to fertilisation and pregnancy |
| Reason (R): | Ferrtilisation can only occur if the ovum and sperms are transported simultaneously to the ampulla |
| 1. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | (A) is false but (R) is true |
Subtopic: Fertilization: Part 1 | Fertilization: Part 2 |
68%
From NCERT
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Match items listed in column-I with those in column-II and choose the correct option:
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(i), d(iii)
3. a(iii), b(iv), c(ii), d(i)
4. a(ii), b(i), c(iv), d(iii)
| Column -I | Column -II | ||
| a. | Infundibulum | (i) | Wider part of oviduct |
| b. | Womb | (ii) | Part of oviduct closer to ovary |
| c. | Ampulla | (iii) | Cushion of fatty tissue |
| d. | Mons pubis | (iv) | Inverted pear-shaped |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(i), d(iii)
3. a(iii), b(iv), c(ii), d(i)
4. a(ii), b(i), c(iv), d(iii)
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 |
92%
From NCERT
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Match the following columns and select the correct option
1. a(ii), b(i), c(iv), d(iii)
2. a(i), b(ii), c(iii), d(iv)
3. a(iv), b(iii), c(ii), d(i)
4. a(iii), b(iv), c(i), d(ii)
| Column-I | Column-II | ||
| a. | Corpus luteum | (i) | Secretes inhibin in males to inhibit FSH |
| b. | Sertoli cells | (ii) | Secretes a hormone to maintain pregnancy |
| c. | Seminal vesicle | (iii) | Transforms ruptured Graafian follicle into corpus lutem |
| d. | Luteinizing hormone | (iv) | Its secretion constitutes major part of semen |
2. a(i), b(ii), c(iii), d(iv)
3. a(iv), b(iii), c(ii), d(i)
4. a(iii), b(iv), c(i), d(ii)
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
87%
From NCERT
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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: Female External Genitalia | Implantation | oogenesis |
93%
From NCERT
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Hints
Please attempt this question first.
Match column-I with column-II and choose the correct option:
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(i), c(iv), d(iii)
3. a(iv), b(iii), c(ii), d(i)
4. a(ii), b(iii), c(iv), d(i)
| Column-I | Column-II | ||
| a. | Spermiogenesis | (i) | Milk production towards the end of pregnancy |
| b. | Lactation | (ii) | Transformation of spermatids into spermatozoa |
| c. | Chorionic villi | (iii) | Finger-like projections at the edge of the infundibulum |
| d. | Fimbriae | (iv) | Finger-like projections appear on the trophoblast |
2. a(ii), b(i), c(iv), d(iii)
3. a(iv), b(iii), c(ii), d(i)
4. a(ii), b(iii), c(iv), d(i)
Subtopic: Implantation : Part 1 | Implantation : Part 2 | Female Reproductive System-1 | Female Reproductive System-2 |
96%
From NCERT
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Assertion(A): Holoblastic cleavage with almost equal sized blastomeres is a characteristics of placental animals.
Reason(R): Eggs of most mammals including humans are of centrolecithal type.
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.
Reason(R): Eggs of most mammals including humans are of centrolecithal type.
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: Embryonic Development till Gastrulation | Fertilization |
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