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Q. No.Which enzyme catalyzes the hydrolysis of the disaccharide sucrose into glucose and fructose in plants?
1. Hexokinase
2. Invertase
3. Zymase
4. Aldolase
Subtopic: DIGESTION OF FOOD |
81%
From NCERT
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In the human alimentary canal what part of the colon opens into the rectum?
1. Ascending
2. Transverse
3. Descending
4. Sigmoid
1. Ascending
2. Transverse
3. Descending
4. Sigmoid
Subtopic: Introduction to Digestive System | Alimentary Canal: Oral Cavity & Teeth |
65%
From NCERT
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The sphincter of Oddi guards the opening of:
1. Common hepatic duct
2. Common bile duct
3. Common hepato-pancreatic duct
4. Cystic duct
Subtopic: Accessory Digestive Glands |
93%
From NCERT
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Vomiting centre in human beings is located in:
1. Medulla oblongata
2. Pons
3. Hypothalamus
4. Thalamus
1. Medulla oblongata
2. Pons
3. Hypothalamus
4. Thalamus
Subtopic: Disorders of Digestive System |
91%
From NCERT
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Identify the incorrect statement:
| 1. | The end products of lipid, protein, and carbohydrate digestion enter the central lacteal of the villi. |
| 2. | Sphincters are muscles that encircle tubes and act as valves. |
| 3. | In diarrhea, too little water has been absorbed by the large intestine; in constipation, too much water has been absorbed. |
| 4. | Essential amino acids are those that are required in the diet because the body is unable to produce them. |
Subtopic: Absorption |
68%
From NCERT
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The number of correct statements amongst the given statements is:
I: A cartilaginous flap called epiglottis prevents the entry of food into the glottis during swallowing.
II: A fibrous flap regulates the opening of oesophagus into the stomach.
III: The opening of the stomach into the duodenum is guarded by the pyloric sphincter.
IV: The opening of the common hepato-pancreatic duct into duodenum is guarded by sphincter of Oddi.
V: Ileo-caecal valve prevents the back flow of the faecal matter from the small intestine into the large intestine.
1. 2
2. 3
3. 4
4. 5
I: A cartilaginous flap called epiglottis prevents the entry of food into the glottis during swallowing.
II: A fibrous flap regulates the opening of oesophagus into the stomach.
III: The opening of the stomach into the duodenum is guarded by the pyloric sphincter.
IV: The opening of the common hepato-pancreatic duct into duodenum is guarded by sphincter of Oddi.
V: Ileo-caecal valve prevents the back flow of the faecal matter from the small intestine into the large intestine.
1. 2
2. 3
3. 4
4. 5
Subtopic: Introduction to Digestive System | Alimentary Canal: Oral Cavity & Teeth |
50%
From NCERT
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Pernicious anaemia is an autoimmune condition where antibodies are formed against:
1. Goblet cells in intestinal mucosa
2. Peyer’s patches in small intestine
3. Parietal cells of gastric glands
4. Paneth cells in crypts of Lieberkuhn
Subtopic: Gastric Secretions |
70%
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Which of the following would be a feature of Marasmus?
1. Extreme emaciation of the body and thinning of limbs are seen.
2. Caused by protein deficiency unaccompanied by calorie deficiency.
3. Generally children more than one year in age are affected.
4. Extensive oedema and swelling of body parts are seen.
1. Extreme emaciation of the body and thinning of limbs are seen.
2. Caused by protein deficiency unaccompanied by calorie deficiency.
3. Generally children more than one year in age are affected.
4. Extensive oedema and swelling of body parts are seen.
Subtopic: Protein Energy Malnutrition |
71%
From NCERT
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The parietal cell in the lining of gastric mucosa secrete:
I: HCl
II: Intrinsic factor
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: HCl
II: Intrinsic factor
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Gastric Secretions |
88%
From NCERT
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Match List I with List II
Choose the correct answer from the options given below:
| List I (Cells) | List II (Secretion) | ||
| A. | Peptic cells | I. | Mucus |
| B. | Goblet cells | II. | Bile juice |
| C. | Oxyntic cells. | III. | Proenzyme pepsinogen |
| D. | Hepatic cells | IV. | HCl and intrinsic factor for absorption of vitamin B12 |
| Options: | A | B | C | D |
| 1. | II | IV | I | III |
| 2. | IV | III | II | I |
| 3. | II | I | III | IV |
| 4. | III | I | IV | II |
Subtopic: Gastric Secretions | Bile |
75%
From NCERT
NEET - 2023
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