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Q. No.Assertion (A): Gastrectomy may lead to iron deficiency/anaemia.
Reason (R): Gastric juice contain HCl which converts Fe3+ into Fe2+ and iron is absorbed as ferrous ion.
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 |
74%
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Assertion (A): Certain drugs coming in contact with the mucosa of mouth and lower side of the tongue are absorbed into the blood capillaries lying them.
Reason (R): Mucosa of mouth is the principal structure for nutrient 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): Mucosa of mouth is the principal structure for nutrient 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: Absorption: General Adaptations | Absorption: Part 1 | Absorption: Part 2 | Absorption |
58%
From NCERT
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Assertion (A): Enzymes like trypsin are created in the form of trypsinogen in pancreas.
Reason (R): Pancreas secrete zymogens to prevent the enzymes from digesting the proteins in the cells in which they are synthesised.
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): Pancreas secrete zymogens to prevent the enzymes from digesting the proteins in the cells in which they are synthesised.
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: Pancreatic Secretions | DIGESTION OF FOOD |
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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.
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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