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Q. No.Identify the correct chronological sequence of the appearance of structures in the alimentary canal of frog beginning from mouth:
| 1. | Buccal cavity → Pharynx → Oesophagus → Stomach → Intestine → Rectum → Cloaca |
| 2. | Buccal cavity → Oesophagus → Pharynx → Stomach → Intestine → Rectum → Cloaca |
| 3. | Buccal cavity → Pharynx → Oesophagus → Stomach → Intestine → Cloaca → Rectum |
| 4. | Buccal cavity → Oesophagus → Pharynx → Stomach → Intestine → Cloaca → Rectum |
Subtopic: Frogs: Anatomy (Digestive System) |
82%
From NCERT
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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): | The alimentary canal in frogs is short. |
| Reason (R): | Frogs are carnivores. |
| 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: Anatomy (Digestive System) |
93%
From NCERT
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Liver in frog:
1. secretes a lot of digestive enzymes.
2. does not have digestive function.
3. secretes bile that is stored in the gall bladder.
4. secretes bile that is not stored as frogs do not have a gall bladder.
1. secretes a lot of digestive enzymes.
2. does not have digestive function.
3. secretes bile that is stored in the gall bladder.
4. secretes bile that is not stored as frogs do not have a gall bladder.
Subtopic: Frogs: Anatomy (Digestive System) |
94%
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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Unlike humans, frogs have a:
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
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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In the given diagrammatic representation of internal organs of a frog showing the complete digestive system, identify I, II, III, IV:
| I | II | III | IV | |
| 1. | Oesophagus | Liver | Gall bladder | Fat bodies |
| 2. | Pharynx | Liver | Gall bladder | Urecose glands |
| 3. | Buccal cavity | Gall bladder | Liver | Antennal glands |
| 4. | Oesophagus | Gall bladder | Liver | Fat bodies |
Subtopic: Frogs: Anatomy (Digestive System) |
87%
From NCERT
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In the given diagrammatic representation of internal organs of a frog showing complete digestive system, identify V, VI, VII, VIII:
| V | VI | VII | VIII | |
| 1. | Uterus | Urinary bladder | Rectum | Cloaca |
| 2. | Ureter | Urinary bladder | Rectum | Cloaca |
| 3. | Ureter | Urinary bladder | Cloaca | Rectum |
| 4. | Urethra | Urinary bladder | Cloaca | Rectum |
Subtopic: Frogs: Anatomy (Digestive System) |
75%
From NCERT
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