- 1(current)
Q. No.Frogs exhibit sexual dimorphism. Male frogs can be distinguished from the females by the presence of:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | sound producing vocal sacs which are absent in female frogs. |
| II: | a copulatory pad on the first digit of the hind limbs which is absent in female frogs. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Frogs: Anatomy (Male Reproductive System) | Frogs: Anatomy (Female Reproductive System) |
65%
From NCERT
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In frogs, vasa efferentia:
| I: | are 100-120 in number that arise from testes |
| II: | enter the kidneys on their side and open into Bidder’s canal |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Frogs: Anatomy (Male Reproductive System) |
74%
From NCERT
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Mesorchium in frogs:
| 1. | is a double fold of peritoneum that adheres testes to kidney. |
| 2. | is a double fold of peritoneum that adheres ovaries to kidney. |
| 3. | is the outer cortical part of testes. |
| 4. | is the outer cortical part of ovaries. |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
90%
From NCERT
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Consider the two statements:
| Statement I: | In male frogs, the testes are found adhered to the upper part of the kidneys and have a functional connection with the kidneys. |
| Statement II: | In female frogs, the ovaries are situated near the kidneys and there is no functional connection with the kidneys. |
| 1. | Statement I is correct, Statement II is correct |
| 2. | Statement I is incorrect, Statement II is correct |
| 3. | Statement I is correct, Statement II is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
94%
From NCERT
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The figure shows the male reproductive system of a frog. Identify A, B, C, and D:
| A | B | C | D | |
| 1. | Testis | Vas deferens | Fat bodies | Pituitary gland |
| 2. | Fat bodies | Vasa efferentia | Testis | Adrenal gland |
| 3. | Testis | Vas deferens | Fat bodies | Adrenal gland |
| 4. | Testis | Vasa efferentia | Fat bodies | Adrenal gland |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
80%
From NCERT
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Trace the correct path of passage of the sperm in male Rana tigrina:
| 1. | Testes → Vasa efferentia → Kidney → Seminal vesicle → Urogenital duct → Cloaca |
| 2. | Testes → Vasa efferentia → Bidder’s canal → Ureter → Cloaca |
| 3. | Testes → Vasa efferentia → Kidney → Bidder’s canal → Urogenital duct → Cloaca |
| 4. | Testes → Bidder’s canal → Kidney → Vasa efferentia → Urogenital duct → Cloaca |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
78%
From NCERT
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How many of the given statements regarding frog are correct?
1. 2
2. 3
3. 4
4. 5
| A: | The frog never drinks water but absorbs it through the skin. |
| B: | Frogs respire through skin when in water. |
| C: | The vascular system of frog is well-developed closed type. |
| D: | In male frogs, the ureters act as urogenital duct. |
| E: | The ear is an organ of hearing as well as balancing. |
2. 3
3. 4
4. 5
Subtopic: Frogs | Frogs: Morphology | Frogs: Anatomy (Circulatory System) | Frogs: Anatomy (Respiratory System) | Frogs: Anatomy (Nervous System) | Frogs: Anatomy (Excretory System) | Frogs: Anatomy (Male Reproductive System) |
61%
From NCERT
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Which of the following statements accurately describes the male reproductive system of a frog?
| 1. | The testes produce eggs and are attached to kidneys. |
| 2. | The male frog has a pair of testes which are connected to the ventral side of the kidneys by a structure called mesorchium. |
| 3. | The testes produce spermatozoa, and the reproductive process is facilitated by a pair of seminal vesicles. |
| 4. | The vasa efferentia transport urine from the kidneys to the urinary bladder. |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
77%
From NCERT
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Male frogs can be distinguished from the female frogs by the presence of
1. Only A is correct
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
| A: | A sound-producing vocal sac |
| B: | A copulatory pad on the first digit of the forelimbs |
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
Subtopic: Frogs: Anatomy (Male Reproductive System) |
86%
From NCERT
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