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Q. No.The correct taxonomic position of Rana tigrina would be:
I:
Phylum
Chordata
II:
Subphylum
Vertebrata
III:
Superclass
Gnathostomata
IV:
Class
Tetrapoda
1.
I and II only
2.
III and IV only
3.
I and III only
4.
II and IV only
Subtopic: Frogs |
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Level 2: 60%+
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The terms for ‘summer sleep’ and ‘winter sleep’ seen in frogs respectively are:
| 1. | Aestivation and Hibernation |
| 2. | Hibernation and Aestivation |
| 3. | Diapause and Cryptobiosis |
| 4. | Cryptobiosis and Diapause |
Subtopic: Frogs |
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Level 1: 80%+
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Frog, when on land, uses which of the following as its respiratory organs?
| I: | The buccal cavity |
| II: | Skin |
| III: | Lungs |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Cockroach: Respiratory System |
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Level 1: 80%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | Rana tigrina is cold-blooded or poikilotherm. |
| Reason (R): | Its body temperature varies with the temperature of the environment. |
| 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. | Both (A) and (R) are False. |
Subtopic: Frogs: Morphology |
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Level 1: 80%+
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The frog:
| 1. | drinks a lot of water and passes a lot of dilute urine. |
| 2. | drinks only some water and meets its requirements from metabolic water. |
| 3. | drinks only some water and passes a highly concentrated urine |
| 4. | never drinks water but absorbs it through the skin. |
Subtopic: Frogs: Morphology |
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Level 1: 80%+
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Which of the following statements regarding morphology of frog is not true?
| I: | Above the mouth, a pair of nostrils is present. |
| II: | Eyes are bulged and covered by a nictitating membrane that protects them while on land. |
| III: | On either side of eyes, a membranous tympanum (ear) receives sound signals. |
1. Only II
2. Only II and III
3. Only I
4. None, all statements are correct
Subtopic: Frogs: Morphology |
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Level 2: 60%+
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Frogs exhibit sexual dimorphism. Male frogs can be distinguished from the females by the presence of:
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: | sound producing vocal sacs which are absent in female frogs. |
| II: | a copulatory pad on the first digit of the hind limbs which is absent in female frogs. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Frogs: Anatomy (Male Reproductive System) | Frogs: Anatomy (Female Reproductive System) |
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Level 2: 60%+
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Frogs respire on land and in water by two different methods:
| 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 incorrect, Statement II is correct |
| 3. | Statement I is correct, Statement II is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect |
Subtopic: Frogs: Anatomy (Respiratory System) |
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Level 1: 80%+
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The single ventricle in the heart of a frog:
| 1. | opens into a sac-like conus arteriosus on the dorsal side of the heart. |
| 2. | opens into a sac-like conus arteriosus on the ventral side of the heart. |
| 3. | opens into a dilated chamber sinus venosus on the ventral side of the heart. |
| 4. | opens into a dilated chamber sinus venosus on the dorsal side of the heart. |
Subtopic: Frogs: Anatomy (Circulatory System) |
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Level 2: 60%+
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Sinus venosus in the heart of a frog:
| I: | joins the left atrium |
| II: | pumps blood into the major arteries |
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) |
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