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Q. No.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: Â Frogs: Anatomy (Nervous System) |
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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: Â Frogs: Morphology |
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Consider the two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
| Statement I: | Although adapted to terrestrial life, frogs resemble freshwater fish in their inability to conserve body water effectively. |
| Statement II: | Frogs produce large quantities of dilute urine in order to flush out toxic products from the kidney tubules. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Â Frogs: Anatomy (Respiratory System) |Â Frogs: Anatomy (Excretory System) |
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In frogs:
I: Muscular coordination and posture are controlled by the cerebellum.
II: Medulla oblongata regulates respiration, digestion and other automatic functions.
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: Muscular coordination and posture are controlled by the cerebellum.
II: Medulla oblongata regulates respiration, digestion and other automatic functions.
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: Â Frogs: Anatomy (Nervous System) |
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Metamorphosis in frogs typically lasts only 24 hours, and is initiated by production of the hormone:
| 1. | thyroxine | 2. | cortisol |
| 3. | thymsin | 4. | FSH and LH |
Subtopic: Â Frogs: Anatomy (Female Reproductive System) |
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Subtopic: Â Frogs: Anatomy (Digestive System) |
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The larvae that emerge from the eggs, known as tadpoles:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | lack eyelids and limbs |
| II: | have cartilaginous skeletons |
| III: | use gills for respiration |
| IV: | have tails |
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Â Frogs: Anatomy (Female Reproductive System) |
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Consider the two statements:
Statement I: Frogs have maxillary teeth along their upper jaw which are used to hold food before it is swallowed.
Statement II: The tongue normally lies coiled in the mouth, free at the back and attached to the mandible at the front.
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Statement I: Frogs have maxillary teeth along their upper jaw which are used to hold food before it is swallowed.
Statement II: The tongue normally lies coiled in the mouth, free at the back and attached to the mandible at the front.
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Â Frogs: Morphology |
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Identify the correct statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
| Statement I: | Frog eye does not have closable eye lids. |
| Statement II: | A nictitating membrane provides protection to the eye, especially when the frog is swimming. |
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Â Frogs: Morphology |
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Consider the given statements regarding the skin of frog:
Statement I: It is protective, has a respiratory function, can absorb water, and helps control body temperature.
Statement II: It lacks glands except an oil gland at the very caudal end of its body.
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
Statement I: It is protective, has a respiratory function, can absorb water, and helps control body temperature.
Statement II: It lacks glands except an oil gland at the very caudal end of its body.
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
Subtopic: Â Frogs: Anatomy (Respiratory System) |
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