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Q. No.Regarding feeding in frog:
I:
Frog is a herbivore
II:
Food is captured by the bilobed tongue.
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: Morphology |
91%
From NCERT
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The action of HCl and gastric juices secreted from the walls of the stomach leads to formation of a partially digested food in frog called as:
| 1. | chyme | 2. | chyle |
| 3. | succus entericus | 4. | bile |
Subtopic: Frogs: Anatomy (Digestive System) |
95%
From NCERT
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Which part of the alimentary canal in frog receives bile from gall bladder and pancreatic juices from the pancreas through a common bile duct?
| 1. | Stomach | 2. | Duodenum |
| 3. | Oesophagus | 4. | Pharynx |
Subtopic: Frogs: Anatomy (Digestive System) |
91%
From NCERT
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Identify whether the given statements are true [T] or false [F] regarding frog:
| I: | Bile emulsifies fat. |
| II: | Pancreatic juices digest carbohydrates and proteins. |
| III: | Digested food is absorbed by the numerous finger-like folds in the inner wall of intestine called villi and microvilli. |
| IV: | The undigested solid waste moves into the rectum and passes out through cloaca. |
| I | II | III | IV | |
| 1. | T | T | F | T |
| 2. | F | T | T | F |
| 3. | T | T | T | T |
| 4. | T | F | F | T |
Subtopic: Frogs: Anatomy (Digestive System) |
93%
From NCERT
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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) |
88%
From NCERT
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During aestivation and hibernation, gaseous exchange in frogs takes place:
1. across alveoli in the lungs.
2. through the moist buccal mucosa.
3. in gills.
4. through skin.
1. across alveoli in the lungs.
2. through the moist buccal mucosa.
3. in gills.
4. through skin.
Subtopic: Frogs: Anatomy (Respiratory System) |
95%
From NCERT
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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) |
74%
From NCERT
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Unlike humans, frogs have a:
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: | 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 (Digestive System) | Frogs: Anatomy (Excretory System) |
From NCERT
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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) |
54%
From NCERT
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Consider the two statements:
| Statement I: | The vascular system of frog is well-developed and closed type. |
| Statement II: | Frogs do not have a lymphatic system. |
| 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 (Circulatory System) |
85%
From NCERT
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