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Q. No.Choose the incorrect enzymatic reaction:
1. \( Maltose \stackrel{\text { Maltase }}{\longrightarrow} Glucose + Galactose \)
2. \( Sucrose \stackrel{\text { sucrease }}{\longrightarrow} Glucose + Fructose \)
3. \( Lactose \stackrel{\text { Lactase }}{\longrightarrow} Glucose + Galactose \)
4. \(Dipeptides \stackrel{\text { Dipeptidases }}{\longrightarrow}Amino ~acids\)
Subtopic: DIGESTION OF FOOD |
70%
Level 2: 60%+
NEET - 2022
Hints
Role of enamel is to :
1. Connect crown of tooth with its root.
2. Masticate the food.
3. Form bolus.
4. Give basic shape to the teeth
1. Connect crown of tooth with its root.
2. Masticate the food.
3. Form bolus.
4. Give basic shape to the teeth
Subtopic: Alimentary Canal: Oral Cavity & Teeth |
66%
Level 2: 60%+
NEET - 2022
Hints
Identify A, B, C and D in the given diagram of human tooth:
| A | B | C | D | |
| 1. | Enamel | Dentin | Pulp | Cementum |
| 2. | Dentin | Enamel | Pulp | Cementum |
| 3. | Cementum | Dentin | Pulp | Enamel |
| 4. | Enamel | Pulp | Dentin | Cementum |
Subtopic: Alimentary Canal: Oral Cavity & Teeth |
81%
Level 1: 80%+
Hints
Identify the correct statements regarding the structures labelled as A and B in the given diagram:
I: A is a sphincter that prevents reflux of acidic gastric content into the oesophagus.
II: B region has a sphincter that regulates the entry of chime into the duodenum.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: A is a sphincter that prevents reflux of acidic gastric content into the oesophagus.
II: B region has a sphincter that regulates the entry of chime into the duodenum.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Introduction to Digestive System |
80%
Level 1: 80%+
Hints
Study the given figure and select the correct match from the options given below:
| A. | Serosa | It is called as endomysium |
| B. | Muscularis | Has an inner circular and outer longitudinal layer |
| C. | Submucosa | Lacks blood supply |
| D. | Mucosa | Epithelial lining modified in various parts |
| 1. Only A and B | 2. Only B and D |
| 3. Only A and C | 4. Only B and C |
Subtopic: Histology of Gut |
80%
Level 1: 80%+
Hints
The figure shows a section of small intestinal mucosa. Identify A, B and C:
| A | B | C | |
| 1. | Rugae | Lacteal | Crypts |
| 2. | Haustration | Portal vein | Brunner’s gland |
| 3. | Villi | Lacteal | Crypts |
| 4. | Villi | Portal vein | Deep tubular gland |
Subtopic: Histology of Gut |
87%
Level 1: 80%+
Hints
The figure shows the arrangement of the different types of teeth in the jaw on one side and the sockets on the other side. Identify the correct statements with respect to the given figure:
I: Premolars are absent from temporary dentition.
II: The sockets will be present in mandible and maxillary bone.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: Premolars are absent from temporary dentition.
II: The sockets will be present in mandible and maxillary bone.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Alimentary Canal: Oral Cavity & Teeth |
73%
Level 2: 60%+
Hints
What would be true for A, B, C and D in the given figure of the human alimentary canal?
I. A secretes bile
II. B stores and concentrates bile
III. C is the site of maximum absorption of the end products of digestion
IV. D is the part where faeces are stored
I. A secretes bile
II. B stores and concentrates bile
III. C is the site of maximum absorption of the end products of digestion
IV. D is the part where faeces are stored
| 1. I, II and III only | 2. I, II and IV only |
| 3. II, III and IV only | 4. I, II, III and IV |
Subtopic: Disorders of Digestive System |
70%
Level 2: 60%+
Hints
The given diagram shows the various types of cells in a typical gastric gland. Identify the correct statements:
I. Parietal cells secrete pepsinogen.
II. Chief cells secrete HCl and Intrinsic Factor.
III. G cells secrete gastrin, a hormone.
I. Parietal cells secrete pepsinogen.
II. Chief cells secrete HCl and Intrinsic Factor.
III. G cells secrete gastrin, a hormone.
| 1. Only I and II | 2. Only III |
| 3. Only II | 4. I, II and III |
Subtopic: Peristalsis: Gland in Alimentary Canal | Gastric Secretions |
67%
Level 2: 60%+
Hints
What is ‘X’ in the given diagram?
| 1. Succus entericus | 2. Enterogastrone |
| 3. Enterokinase | 4. Motilin |
Subtopic: Pancreatic Secretions | Intestinal Secretions |
78%
Level 2: 60%+
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