If the trophoblast layer failed to form in a mammalian embryo, which of the following structures would not develop ?
1. the blastopore
2. the inner cell mass
3. the archenteron
4. the fetal placenta
Subtopic: Fertilization | Implantation |
58%
Level 3: 35%-60%
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A: The human placental membrane is classified as haemo-choreal
R: In the human placenta the maternal tissue is blood, and the fetal tissue is chorion.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: In the human placenta the maternal tissue is blood, and the fetal tissue is chorion.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Implantation : Part 1 | Implantation |
71%
Level 2: 60%+
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
| Assertion(A): | At birth a female ovary consist of large number of ovarian follicles with diploid oocytes. |
| Reason(R): | During fetal development primary oocytes enter a prolonged diplotene stage of the first meiotic division and remain in this state until ovulation occurs at puberty. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true statement but (R) is false |
| 4. | Both (A) and (R) are false statements |
Subtopic: oogenesis |
52%
Level 3: 35%-60%
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What is the secretory phase in the human menstrual cycle also called? How long does it last?
1. Luteal phase, four days
2. Follicular phase, four days
3. Follicular phase, fourteen days
4. Luteal phase, fourteen days
1. Luteal phase, four days
2. Follicular phase, four days
3. Follicular phase, fourteen days
4. Luteal phase, fourteen days
Subtopic: Menstrual Cycle: Luteal Phase | oogenesis |
77%
Level 2: 60%+
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-(II), B-(III), C-(I), D-(IV)
2. A-(II), B-(III), C-(IV), D-(I)
3. A-(III), B-(II), C-(IV), D-(I)
4. A-(III), B-(II), C-(I), D-(IV)
| List I | List II |
| A. Acrosome | I. Gonadotropin |
| B. Corpus luteum | II. Hyaluronidase |
| C. Leydig cells | III. Estrogen |
| D. Hypothalamus | IV. Testosterone |
Choose the correct answer from the options given below:
1. A-(II), B-(III), C-(I), D-(IV)
2. A-(II), B-(III), C-(IV), D-(I)
3. A-(III), B-(II), C-(IV), D-(I)
4. A-(III), B-(II), C-(I), D-(IV)
Subtopic: Male Reproductive System | Seminiferous Tubules & Spermatogenesis | Semen and Male Fertility | Introduction to Menstrual Cycle: 1 | Menstrual Cycle |
89%
Level 1: 80%+
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Consider the following spermatogenetic stages in a human male
A. Spermatids
B. Spermatocytes
C. Spermatogonia
D. Spermatozoa
Choose the correct sequence of spermatogenetic stages in a mature human testis
1. A, C, B, D
2. C, B, A, D
3. D, C, B, A
4. C, B, D, A
A. Spermatids
B. Spermatocytes
C. Spermatogonia
D. Spermatozoa
Choose the correct sequence of spermatogenetic stages in a mature human testis
1. A, C, B, D
2. C, B, A, D
3. D, C, B, A
4. C, B, D, A
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
83%
Level 1: 80%+
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Arrange the components of the mammary gland. (from proximal to distal)
(a) Mammary duct
(b) Lactiferous duct
(c) Alveoli
(d) Mammary ampulla
(e) Mammary tubules
Choose the most appropriate answer from the options given below :
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
(a) Mammary duct
(b) Lactiferous duct
(c) Alveoli
(d) Mammary ampulla
(e) Mammary tubules
Choose the most appropriate answer from the options given below :
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
Subtopic: Mammary Gland & Lactation |
72%
Level 2: 60%+
NEET - 2022
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How many secondary spermatocytes are required to form 400 million spermatozoa?
| 1. | 50 million | 2. | 100 million |
| 3. | 200 million | 4. | 400 million |
Subtopic: Seminiferous Tubules & Spermatogenesis |
64%
Level 2: 60%+
NEET - 2022
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | Pregnancy is characterised by metabolic changes in the mother. |
| Reason (R): | During pregnancy, the level of thyroxine is increased in the maternal blood. |
| 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: Fetal Development & Parturition |
61%
Level 2: 60%+
NEET - 2022
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Arrange the following male sex accessory ducts in the correct sequence for the transport of sperms from the testis:
| (a) | Epididymis | (b) | Ejaculatory duct |
| (c) | Vasa efferentia | (d) | Rete testis |
| (e) | Vas deferens |
Choose the most appropriate answer from the options given below:
| 1. | (d), (a), (c), (e), (b) | 2. | (d), (c), (e), (a), (b) |
| 3. | (d), (c), (a), (e), (b) | 4. | (d), (e), (a), (c), (b) |
Subtopic: Male Reproductive Duct System |
85%
Level 1: 80%+
NEET - 2022
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