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Q. No.Assertion (A): Defaecation is an involuntary process and is carried by a mass peristaltic movement.
Reason (R): Fatty acids and glycerol being soluble can be absorbed into blood.
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: Absorption: Part 1 | Absorption: Part 2 | Absorption |
67%
From NCERT
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Assertion (A): Large intestine secretes mucus that adheres waste particles and lubricate it for an easy passage.
Reason (R): Large intestine absorbs some drugs.
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.
Reason (R): Large intestine absorbs some drugs.
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: Movement of Food in Gut | Intestinal Secretions |
81%
From NCERT
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Assertion (A): The sight, smell, and /or the presence of food in the oral cavity can stimulate saliva secretion.
Reason (R): Gastric and intestinal secretions are stimulated by neural signals.
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.
Reason (R): Gastric and intestinal secretions are stimulated by neural signals.
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: Digestive Secretions: Saliva |
56%
From NCERT
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Assertion (A): Majority of the mammals possess diphyodont teeth.
Reason (R): Humans have heterodont dentition.
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.
Reason (R): Humans have heterodont dentition.
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: Alimentary Canal: Oral Cavity & Teeth |
86%
From NCERT
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Assertion (A): Enamel is the hardest substance of the human body.
Reason (R): Enamel is mainly formed of calcium carbonate.
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.
Reason (R): Enamel is mainly formed of calcium carbonate.
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: Introduction to Digestive System | Alimentary Canal: Oral Cavity & Teeth |
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Assertion (A): Caecum opens into rectum.
Reason (R): Caecum lacks symbiotic microorganisms.
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.
Reason (R): Caecum lacks symbiotic microorganisms.
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: Movement of Food in Gut |
70%
From NCERT
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Assertion (A): Substances like fructose and some amino acids are absorbed with the help of carrier ions like Na+.
Reason (R): This mechanism is called facilitated transport.
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.
Reason (R): This mechanism is called facilitated transport.
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: Absorption: Part 1 | Absorption: Part 2 |
From NCERT
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Assertion (A): The oxyntic cells secrete intrinsic factor.
Reason (R): Intrinsic factor is essential for vitamin B12 absorption.
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.
Reason (R): Intrinsic factor is essential for vitamin B12 absorption.
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: Gastric Secretions |
From NCERT
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Assertion (A): About 30% of the starch is hydrolyzed by ptyalin at a pH of 7.5.
Reason (R): The stomach stores food for 10-12 hours.
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.
Reason (R): The stomach stores food for 10-12 hours.
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: Digestive Secretions: Saliva | Gastric Secretions |
81%
From NCERT
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Assertion (A): Various types of movements are generated by the muscularis layer of the small intestine.
Reason (R): These movements help in through mixing up of the food with various secretions to facilitate digestion.
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.
Reason (R): These movements help in through mixing up of the food with various secretions to facilitate digestion.
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: Peristalsis: Gland in Alimentary Canal | Intestinal Secretions |
78%
From NCERT
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