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Assertion : Corpus luteum degenerates if the ovum remains unfertilized.
Reason : Corpus luteum secretes progesterone which maintains the pregnancy.
- 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
- 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: Menstrual Cycle: Luteal Phase |
61%
Level 2: 60%+
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| Assertion(A): | Size of breasts increases at puberty in human female. |
| Reason(R): | Prolactin secretion starts at puberty. |
In the following questions, a statement of assertion (A) is followed by a statement of reason (R)
| 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 statement |
Subtopic: Mammary Gland & Lactation |
Level 3: 35%-60%
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Assertion : Vagina acts as copulation canal and fertilization canal.
Reason : Both insemination and fusion of gametes occur in vagina of female.
- 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: Fertilization: Part 1 | Fertilization: Part 2 | Fertilization |
53%
Level 3: 35%-60%
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| Assertion(A): | In human male, there are perianal glands near the anus. |
| Reason(R): | Perianal glands secretes sex-attractant pheromone which initiates sexual desire in human female. |
| 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 statement |
Subtopic: Introduction |
Level 3: 35%-60%
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Assertion : Primary spermatocytes of testes are haploid.
Reason : Primary spermatocytes are formed by meiosis-I in the spermatogonia.
- 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: Seminiferous Tubules & Spermatogenesis |
71%
Level 2: 60%+
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| Assertion(A): | Spermiation is the transformation of spermatid into sperm. |
| Reason(R): | During spermiation, sperms get nutrition from sertioli cells. |
In the following questions, a statement of assertion (A) is followed by a statement of reason (R)
| 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 statement |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
60%
Level 2: 60%+
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Assertion : During fertilization only head of spermatozoa enters egg.
Reason : If several spermatozoa hit the egg at same time, all can enter the egg.
Subtopic: Fertilization |
60%
Level 2: 60%+
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Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remain undivided till cleavage is complete.
- 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 2 | Embryonic Development till Gastrulation | Implantation |
55%
Level 3: 35%-60%
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Assertion : Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.
Reason : Eggs of most mammals, including humans, are of centrolecithal type
- 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: Embryonic Development till Gastrulation |
Level 3: 35%-60%
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Humans are
| 1. | Oviparous females |
| 2. | Sexually Reproducing |
| 3. | Considered to be sexually active before puberty |
| 4. | More than one option is correct |
Subtopic: Introduction |
77%
Level 2: 60%+
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