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Q. No.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) |
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Which part of the frog's brain is responsible for maintaining balance and posture?
| 1. | Cerebrum | 2. | Cerebellum |
| 3. | Medulla oblongata | 4. | Olfactory lobes |
Subtopic: Frogs: Anatomy (Nervous System) |
71%
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Match the type of epithelium to their correct location:
| 1. | Columnar epithelium - Alveoli of lungs |
| 2. | Squamous epithelium - Lining of the intestine |
| 3. | Cuboidal epithelium - Kidney tubules |
| 4. | Ciliated epithelium - Ovarian surface |
Subtopic: Simple Epithelium |
76%
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Which of the following statements about respiration in frogs is true?
| 1. | Frogs respire only through their skin and not through lungs. |
| 2. | Adult frogs use their lungs for respiration, but can also respire through their moist skin. |
| 3. | Frogs cannot respire through their skin; they rely solely on their lungs. |
| 4. | The respiration in frogs is identical to that in humans, relying entirely on pulmonary ventilation. |
Subtopic: Frogs: Anatomy (Respiratory System) |
96%
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What is the location and function of compound eyes in arthropods?
| 1. | Located on the head, used for detecting light and shadow only. |
| 2. | Located on the thorax, used for complex visual processing. |
| 3. | Located on the head, used for detailed and panoramic vision. |
| 4. | Located on the abdomen, used primarily for movement detection. |
Subtopic: Frogs: Anatomy (Nervous System) |
55%
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In the reproductive system of female frogs, which of the following statements is true?
| 1. | The oviducts open directly into the coelom. |
| 2. | Females have a single ovary. |
| 3. | Eggs are fertilized internally. |
| 4. | Eggs are laid and fertilized externally in water. |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
90%
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Match the following cell junctions with their descriptions:
1. A-ii, B-iii, C-i
2. A-i, B-ii, C-iii
3. A-iii, B-i, C-ii
4. A-ii, B-i, C-iii
| Column I | Column II | ||
| A. | Tight junctions | i. | Allow passage of ions and small molecules between cells |
| B. | Desmosomes | ii. | Prevent the passage of molecules between cells |
| C. | Gap junctions | iii. | Provide mechanical strength |
1. A-ii, B-iii, C-i
2. A-i, B-ii, C-iii
3. A-iii, B-i, C-ii
4. A-ii, B-i, C-iii
Subtopic: Glandular Epithelium & Cell Junction |
92%
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Which of the following statements correctly describes the skin of a frog?
| 1. | The skin of frogs is dry and scaly, providing protection against predators. |
| 2. | Frogs have a moist skin covered with mucous glands that helps in respiration and protection against bacterial infection. |
| 3. | The skin of frogs is adapted to absorb water directly, eliminating the need for drinking. |
| 4. | Frogs possess a thick, keratinized skin that aids in terrestrial survival during dry conditions. |
Subtopic: Frogs |
61%
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Consider the given two statements:
| Assertion (A): | Frogs undergo summer sleep and winter sleep. |
| Reason (R): | Frogs are endotherms. |
| 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: Frogs |
65%
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The digestive system of a frog is characterized by:
1. The absence of a stomach
2. A three-chambered heart
3. The presence of both a liver and a pancreas
4. The lack of salivary glands
1. The absence of a stomach
2. A three-chambered heart
3. The presence of both a liver and a pancreas
4. The lack of salivary glands
Subtopic: Frogs: Anatomy (Digestive System) |
82%
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