- 1(current)
Q. No.Find out the correct statement(s)
A. Peristalsis is coordinated by the vagus nerve
B. When food enters into the stomach, the activity of salivary amylase stops due to pepsin
C. Deglutition centre is located in the floor of IV ventricle of the medulla oblongata
D. Absorption of cyanocobalamin takes place in the presence of intrinsic factor
E. Carboxypeptidase is a pancreatic endopeptidase that digests the peptides into amino acids
Choose the correct answer from the options given below
1. A, C and D only
2. A, B and E only
3. A, B and D only
4. C, D and E only
A. Peristalsis is coordinated by the vagus nerve
B. When food enters into the stomach, the activity of salivary amylase stops due to pepsin
C. Deglutition centre is located in the floor of IV ventricle of the medulla oblongata
D. Absorption of cyanocobalamin takes place in the presence of intrinsic factor
E. Carboxypeptidase is a pancreatic endopeptidase that digests the peptides into amino acids
Choose the correct answer from the options given below
1. A, C and D only
2. A, B and E only
3. A, B and D only
4. C, D and E only
Subtopic: Â Peristalsis: Gland in Alimentary Canal |Â Movement of Food in Gut |Â Gastric Secretions |Â Absorption: Part 1 |
Level 3: 35%-60%
Hints
Which of the following structures make a solution that can raise the pH in the digestive system of a healthy human?
1. gall bladder
2. pancreas
3. stomach
1. 2 and 3 only
2. 1 and 2 only
3. 1 only
4. 2 only
1. gall bladder
2. pancreas
3. stomach
1. 2 and 3 only
2. 1 and 2 only
3. 1 only
4. 2 only
Subtopic: Â Gastric Secretions |Â Pancreatic Secretions |
 54%
Level 3: 35%-60%
Hints
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%
Level 1: 80%+
Hints
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.
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: Â Gastric Secretions |
 71%
Level 2: 60%+
Hints
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: Â Gastric Secretions |
 50%
Level 3: 35%-60%
Hints
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 |
 79%
Level 2: 60%+
Hints
Choose the wrong statement:
1. The exposed part of tooth forms crown
2. Bile acids are steroid acids
3. Enterokinase (enteropeptidase) directly act on food to digest them
4. HCl is required for the conversion of pepsinogen into pepsin
1. The exposed part of tooth forms crown
2. Bile acids are steroid acids
3. Enterokinase (enteropeptidase) directly act on food to digest them
4. HCl is required for the conversion of pepsinogen into pepsin
Subtopic: Â Gastric Secretions |Â Intestinal Secretions |
 75%
Level 2: 60%+
Hints
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 |
Level 3: 35%-60%
Hints
Trypsin differs from pepsin in that:
1. Trypsin digests protein in an alkaline medium while pepsin does so in an acidic medium
2. Trypsin is secreted from the gastric glands while pepsin is secreted from the pancreas
3. Trypsin digests protein in an acidic medium while pepsin does so in an alkaline medium
4. Trypsin digests fat and pepsin digests protein
1. Trypsin digests protein in an alkaline medium while pepsin does so in an acidic medium
2. Trypsin is secreted from the gastric glands while pepsin is secreted from the pancreas
3. Trypsin digests protein in an acidic medium while pepsin does so in an alkaline medium
4. Trypsin digests fat and pepsin digests protein
Subtopic: Â Gastric Secretions |Â Bile |Â Pancreatic Secretions |
 80%
Level 1: 80%+
Hints
Read the following statements:
i. Kwashiorkor is due to the deficiency of protein and marasmus is caused by the deficiency of protein and calories
ii. Pernicious anemia occurs due to the deficiency of vitamin B12
iiii. If the secretion of parietal cells of gastric glands is blocked with an inhibitor, inactive pepsinogen is not converted into active pepsin
How many of the above statements are correct?
1. One
2. Two
3. Three
4. None of the statements is correct
i. Kwashiorkor is due to the deficiency of protein and marasmus is caused by the deficiency of protein and calories
ii. Pernicious anemia occurs due to the deficiency of vitamin B12
iiii. If the secretion of parietal cells of gastric glands is blocked with an inhibitor, inactive pepsinogen is not converted into active pepsin
How many of the above statements are correct?
1. One
2. Two
3. Three
4. None of the statements is correct
Subtopic: Â Gastric Secretions |Â Pancreatic Secretions |Â Absorption: Part 1 |Â Protein Energy Malnutrition |
 70%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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