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Q. No.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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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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Differences between male and female cockroach morphology include:
| 1. | Males have a pair of anal styles, which females lack |
| 2. | Females have a more segmented abdomen than males |
| 3. | Males are generally larger than females |
| 4. | Females have a pair of cerci, which males lack |
Subtopic: Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
95%
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Which organ is primarily used by frogs for gas exchange when they are active on land?
1. Skin
2. Lungs
3. Buccal cavity
4. Gills
1. Skin
2. Lungs
3. Buccal cavity
4. Gills
Subtopic: Frogs |
78%
From NCERT
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