- 1(current)
Q. No.Match each item in Column I with one in Column II and choose your answer from the codes given below:
| GI secretion | Secreted by | ||
| (a) | Lysozyme | (i) | Upper small intestinal mucosa |
| (b) | Rennin | (ii) | Stomach |
| (c) | Enterokinase | (iii) | Saliva |
| (d) | Nucleases | (iv) | Pancreas |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (ii) | (iv) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (iv) | (ii) | (i) | (iii) |
Subtopic: Â Digestive Secretions: Saliva |Â Gastric Secretions |Â Pancreatic Secretions |
 89%
From NCERT
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Assertion (A): On prolonged chewing of boiled potato, it gives sweet taste.
Reason (R): Saliva has salivary amylase.
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): Saliva has salivary amylase.
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: Â Digestive Secretions: Saliva |
 57%
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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: Â Digestive Secretions: Saliva |
 56%
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: Â Digestive Secretions: Saliva |Â Gastric Secretions |
 81%
From NCERT
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A person consumes starchy food. The chyme was analyzed before it enters the duodenum. It will show the presence of :
1. Maltose, dextrin, starch
2. Maltose, glucose, sucrose
3. Maltose, sucrose, starch
4. Dextrin, maltose, sucrose
1. Maltose, dextrin, starch
2. Maltose, glucose, sucrose
3. Maltose, sucrose, starch
4. Dextrin, maltose, sucrose
Subtopic: Â Digestive Secretions: Saliva |Â Gastric Secretions |
From NCERT
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- 1(current)
Q. No.
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