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Q. No.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.
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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Find out the correct statement:
1. An adult human liver weighs 1.2 - 1.5 kg
2. Hepatic lobules are the structural and functional units of liver containing hepatic cells arranged in the form of cords
3. Each hepatic lobule is covered by a thin connective tissue called Glisson's capsule
4. More than one option is correct
1. An adult human liver weighs 1.2 - 1.5 kg
2. Hepatic lobules are the structural and functional units of liver containing hepatic cells arranged in the form of cords
3. Each hepatic lobule is covered by a thin connective tissue called Glisson's capsule
4. More than one option is correct
Subtopic: Peristalsis: Gland in Alimentary Canal |
83%
From NCERT
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Read the following statements:
i. The muscular activities of different parts of the alimentary can be moderated by neural mechanisms, both local and through CNS
ii. Hormonal control of the secretion of digestive juices is carried out by the local hormones produced by the gastric and intestinal mucosa
iii. Large intestine secretes mucus that helps in adhering the undigested particles and lubricating it for easy passage
iv. Backflow of faeces into small intestine is prevented by ileo-caecal value
v. Succus entericus lack nucleosidase
How many of the above statements are correct?
1. Four
2. Two
3. Three
4. One
i. The muscular activities of different parts of the alimentary can be moderated by neural mechanisms, both local and through CNS
ii. Hormonal control of the secretion of digestive juices is carried out by the local hormones produced by the gastric and intestinal mucosa
iii. Large intestine secretes mucus that helps in adhering the undigested particles and lubricating it for easy passage
iv. Backflow of faeces into small intestine is prevented by ileo-caecal value
v. Succus entericus lack nucleosidase
How many of the above statements are correct?
1. Four
2. Two
3. Three
4. One
Subtopic: Accessory Digestive Glands | Intestinal Secretions | Absorption: Part 2 |
72%
From NCERT
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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: Gastric Secretions | Intestinal Secretions |
75%
From NCERT
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Match the columns:
1. A = iv, B = i, C = iii, D = ii
2. A = iv, B = ii, C = i, D = iii
3. A = i, B = ii, C = iv, D = iii
4. A = iii, B = i, C = iv, D = ii
| Column I | Column II |
| A. Hepatic lobule | i. Base of villi |
| B. Brunner's gland | ii. Sub-mucosal gland |
| C. Crypts of Liberkuhn | iii. Hepato-pancreatic duct |
| D. Sphincter of Oddi | iv. Glisson's capsule |
2. A = iv, B = ii, C = i, D = iii
3. A = i, B = ii, C = iv, D = iii
4. A = iii, B = i, C = iv, D = ii
Subtopic: Peristalsis: Gland in Alimentary Canal | Movement of Food in Gut | Pancreatic Secretions | Intestinal Secretions |
94%
From NCERT
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