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Q. No.In the following diagram of early embryonic stage of human, what do the A and B indicate?
1.
A - Amniotic cavity
B - Yolk sac
2.
A - Amniotic cavity
B - Coelom
3.
A- Yolk sac
B - Coelom
4.
A- Yolk sac
B - Amniotic cavity
Subtopic: Embryonic Development till Gastrulation |
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Hints
Match different regions of Blastocyst in column I with their location in column II. Select the correct answer from the options given below.
1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
| Column-I | Column-II | ||
| (a) | Cells of Rauber | (i) | Outer layer of trophoblast showing syncytium |
| (b) | Cytotrophoblast | (ii) | Inner cells mass developing into embryo proper |
| (c) | Syncytiotrophoblast | (iii) | Trophoblast cells in contact with embryonal knob |
| (d) | Embryoblast | (iv) | Inner layer of trophoblast cells of blastocyst |
1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
Subtopic: Implantation : Part 2 |
51%
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Hints
Match the hormones in column I with their functions in column II. Select the correct option given below.
1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
2. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
3. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
| Column-I | Column-II | ||
| (a) | Prolactin | (i) | Stops secretion of FSH |
| (b) | Inhibin | (ii) | Stimulates ovulation |
| (c) | LH | (iii) | Growth of endometrial glands |
| (d) | Progesterone | (iv) | Development of lactiferous tubules |
1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
2. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
3. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
Subtopic: Mammary Gland & Lactation |
77%
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Hints
Match developmental stages of human beings in Column-I with days required after fertilization in Column-II. Select 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)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
| Column-I | Column-II | ||
| (a) | Formation of Morula | (i) | On about 8th day |
| (b) | Completion of Blastulation | (ii) | End of 4th day |
| (c) | Completion of Implantation | (iii) | End of 7th day |
| (d) | Beginning of Gastrulation | (iv) | End of 10th day |
1. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
3. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
Subtopic: Implantation : Part 2 |
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Select the mismatch pair
| 1. | Semen - Alkaline |
| 2. | Prostatic fluid - Slightly acidic |
| 3. | Seminal fluid - Alkaline |
| 4. | Secretion of Cowper's gland - acidic |
Subtopic: Semen and Male Fertility |
57%
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Match part of sperm in column I with its component in column II and function in column III select the correct option,
1. A-P-Z B-Q-X C-R-Y D-S-W
2. A-Q-X B-O-Y C-S-W D-R-Z
3. A-Q-Z B-P-X C-R-Y D-S-W
4. A-P-Z B-Q-Y D-S-W C-R-W
| Column I (Part of sperm) |
Column II (component) |
Column III (Function) |
|||
| A. | Head | P. | Centroiles | W. | Whiplash movement in female reproductive tract |
| B. | Neck | Q. | Acrosome | X. | Helps in formation of synkaryon spindle |
| C. | Middle piece | R. | Nebenkern | Y. | Provides energy for sperm movements |
| D. | Tail | S. | Axial filament | Z. | Secrets penetrating enzyme |
1. A-P-Z B-Q-X C-R-Y D-S-W
2. A-Q-X B-O-Y C-S-W D-R-Z
3. A-Q-Z B-P-X C-R-Y D-S-W
4. A-P-Z B-Q-Y D-S-W C-R-W
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
88%
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Hints
Match the type of hormone in column I with their function in column II and select the correct option.
1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
2. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
3. (a)-(ii), (b)-(i), (c)-(ii), (d)-(iv)
4. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
| Column-I | Column-II | ||
| (a) | hCG | (i) | Stops secretion of FSH |
| (b) | Inhibin | (ii) | Growth of endometrial glands |
| (c) | LH | (iii) | Indicator of pregnancy |
| (d) | Progesterone | (iv) | Rupture of Graafian follicle |
1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
2. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
3. (a)-(ii), (b)-(i), (c)-(ii), (d)-(iv)
4. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
Subtopic: Fetal Development & Parturition |
83%
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Hints
Match the parts of reproductive system in column I with the hormones secreted by them in column II and select the correct option.
1. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
4. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
| Column-I | Column-II | ||
| (a) | Ovary | (i) | hCG |
| (b) | Placenta | (ii) | Relaxin |
| (c) | Corpus luteum | (iii) | Testosterone |
| (d) | Leydig's cells | (iv) | Progesterone |
1. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
4. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
81%
From NCERT
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Complete the following analogy with respect to menstrual cycle.
Rapid secretion of LH : X : : decrease in level of FSH : Y
Rapid secretion of LH : X : : decrease in level of FSH : Y
| X | Y | |
| 1. | Luteal phase | Ovulatory phase |
| 2. | Luteal phase | Follicular phase |
| 3. | Follicular phase | Luteal phase |
| 4. | Ovulatory phase | Luteal phase |
Subtopic: Menstrual Cycle: Luteal Phase |
52%
From NCERT
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Identify label 'A' and 'B' with respect to oogenesis and select the correct option
| 'A' | 'B' | |
| 1. | Primary oocyte | Oogonia |
| 2. | Primordial germ cell | Secondary oocyte |
| 3. | Oogonia | Primary oocyte |
| 4. | Oogonia | Secondary oocyte |
Subtopic: oogenesis |
59%
From NCERT
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