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Q. No.Consider the given two statements regarding frogs:
Statement I:
In water, skin acts as aquatic respiratory organ (cutaneous respiration).
Statement II:
On land, the buccal cavity, skin and lungs act as the respiratory organs.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Frogs: Anatomy (Respiratory System) |
90%
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The frog has:
| I: | Hepatic portal system |
| II: | Renal portal system |
| 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) |
89%
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Subtopic: Frogs: Anatomy (Nervous System) |
86%
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Forebrain in frogs does not include:
| 1. | olfactory lobes |
| 2. | paired cerebral hemispheres |
| 3. | unpaired diencephalon |
| 4. | a pair of optic lobes |
Subtopic: Frogs: Anatomy (Nervous System) |
75%
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In frogs:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | neck and tail are absent. |
| II: | a pair of nostrils is present. |
| III: | a membranous tympanum (ear) receives sound signals. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs: Morphology |
76%
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The structure labelled as A in the given figure:
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: | allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbours are also stimulated to contract. |
| II: | stop the passage of impulse from one cell to another in the tissue. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cardiac Muscle & Smooth Muscle |
79%
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Consider the given two statements:
| Assertion (A): | The alimentary canal in frog is short. |
| Reason (R): | Frog is a herbivore. |
| 1. | Both (A) and (R) are True and (R) explains (A) |
| 2. | Both (A) and (R) are True and (R) does not explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Frogs: Anatomy (Digestive System) |
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The fore limbs in frogs end in five digits and they are larger and muscular than hind limbs that end in four digits. |
| Statement II: | Feet in frogs have webbed digits that help in swimming. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Frogs: Morphology |
76%
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Frogs:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | have a constant body temperature and are warm blooded. |
| II: | have the ability to change the colour to hide them from their enemies (camouflage). |
| III: | are not seen during peak summer and winter. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs |
83%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The frog never drinks water but absorb it through the skin. |
| Statement II: | In frog, the skin is always maintained in a moist condition. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Frogs: Morphology |
93%
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