Which enzyme catalyzes the hydrolysis of the disaccharide sucrose into glucose and fructose in plants?
1. Hexokinase
2. Invertase
3. Zymase
4. Aldolase
Subtopic: Â DIGESTION OF FOOD |
 81%
Level 1: 80%+
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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: Â Introduction to Digestive System |Â Alimentary Canal: Oral Cavity & Teeth |
 65%
Level 2: 60%+
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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: Â Accessory Digestive Glands |
 93%
Level 1: 80%+
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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: Â Disorders of Digestive System |
 91%
Level 1: 80%+
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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: Â Absorption |
 69%
Level 2: 60%+
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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: Â Introduction to Digestive System |Â Alimentary Canal: Oral Cavity & Teeth |
 50%
Level 3: 35%-60%
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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: Â Gastric Secretions |
 70%
Level 2: 60%+
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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: Â Protein Energy Malnutrition |
 71%
Level 2: 60%+
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Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-
| 1. | Pyloric sphincter | 2. | Sphincter of Oddi |
| 3. | Ileo - caecal valve | 4. | Gastro-oesophageal sphincter |
Subtopic: Â Introduction to Digestive System |Â Movement of Food in Gut |Â DIGESTION OF FOOD |
 70%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Select the correct sequential steps regarding the absorption of fatty acids and glycerol, in the intestine:
Choose the correct answer from the options given below:
| A. | Micelles are reformed into small protein-coated fat globules called chylomicrons. |
| B. | Micelles move into intestinal mucosa. |
| C. | Fatty acids and glycerol are incorporated into small droplets called micelles. |
| D. | Lacteals release the absorbed substances into the bloodstream. |
| E. | Chylomicrons are transported into lacteals. |
Choose the correct answer from the options given below:
| 1. | (A), (E), (B), (D), (C) | 2. | (D), (E), (B), (C), (A) |
| 3. | (C), (B), (A), (E), (D) | 4. | (B), (C), (E), (A), (D) |
Subtopic: Â Absorption |
 69%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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