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Q. No.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) |
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Twelve pairs of cranial nerves are present in all the following except:
| 1. | Mammals | 2. | Birds |
| 3. | Reptiles | 4. | Amphibians |
Subtopic: Frogs: Anatomy (Nervous System) |
85%
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Subtopic: Frogs: Anatomy (Digestive System) |
84%
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Subtopic: Frogs: Morphology |
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Consider the given two statements:
| Assertion (A): | Many environmental scientists believe amphibians, including frogs, are good biological indicators of broader ecosystem health. |
| Reason (R): | These organisms have intermediate positions in food chains, have permeable skins, and typically have biphasic lives (aquatic larvae and terrestrial adults). |
| 1. | (A) is True but (R) is False |
| 2. | Both (A) and (R) are True and (R) explains (A) |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are True but (R) does not explain (A) |
Subtopic: Frogs | Frogs: Morphology |
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Many parts of frog brains correspond with those of humans. Which structure of human brain has no corresponding structure in frogs?
| 1. | Olfactory lobe | 2. | Optic lobe |
| 3. | Pons | 4. | Cerebellum |
Subtopic: Frogs: Anatomy (Nervous System) |
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Being cold-blooded, frogs have to adopt suitable behaviour patterns to regulate their temperature.
Which of the following will be true?
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Which of the following will be true?
| I: | To warm up, they can move into the sun or onto a warm surface; if they overheat, they can move into the shade. |
| II: | In cool damp conditions, the colour of the skin will be lighter than on a hot dry day. |
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Frogs: Morphology |
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Frogs that live in or visit water have adaptations that improve their swimming abilities. Which of the following will be true in this regard?
| I: | The hind limbs are heavily muscled and strong. |
| II: | The webbing between the toes of the hind feet increases the area of the foot and helps propel the frog powerfully through the water. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Frogs: Morphology |
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Consider the two statements:
1. Statement I and Statement II are incorrect
2. Statement I is correct and Statement II is incorrect
3. Statement I and Statement II are correct
4. Statement I is incorrect and Statement II is correct
| Statement I: | Morphology refers to the form and structure of animals and plants, studied as a science. |
| Statement II: | Anatomy is concerned with the identification and description of the body structures of living things. |
1. Statement I and Statement II are incorrect
2. Statement I is correct and Statement II is incorrect
3. Statement I and Statement II are correct
4. Statement I is incorrect and Statement II is correct
Subtopic: Introduction to Animal & Epithelium Tissue |
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Frogs have three-chambered hearts. What is correct regarding circulatory pathways in frogs?
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: | Oxygenated blood from the lungs and de-oxygenated blood from the respiring tissues enter the heart through separate atria. |
| II: | When atria contract, the two blood streams pass into a common ventricle. |
| III: | From the ventricle the blood is pumped via a spiral valve to the appropriate vessel, the aorta for oxygenated blood and pulmonary artery for deoxygenated blood. |
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 (Circulatory System) |
88%
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