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:  Introduction to Digestive System | Movement of Food in Gut |  DIGESTION OF FOOD |
 73%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 |
 71%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Succus entericus is referred to as:

1. Gastric juice

2. Chyme

3. Pancreatic juice

4. Intestinal juice

Subtopic:  Intestinal Secretions |  DIGESTION OF FOOD |
 82%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The enzyme enterokinase helps in the conversion of 

1.  trypsinogen into trypsin

2.  caseinogen into casein

3.  pepsinogen into pepsin

4.  protein into polypeptides 

Subtopic:  Pancreatic Secretions |  DIGESTION OF FOOD |
 89%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The proteolytic enzyme rennin is found in:

1. Intestinal juice

2. Bile juice

3. Gastric juice

4. Pancreatic juice

Subtopic:   DIGESTION OF FOOD |
 76%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes:

1. Duodenal cells

2. Chief cells

3. Goblet cells

4. Oxyntic cells

Subtopic:  Intestinal Secretions |  DIGESTION OF FOOD |
 77%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Match the items given in Column - I with those in Column - II and choose the correct option:

Column-I

Column-II
(a) Rennin (i) Vitamin B12
(b) Enterokinase (ii) Facilitated transport
(c) Oxyntic cells (iii) Milk proteins
(d) Fructose (iv) Trypsinogen

Options: (a) (b) (c) (d)
1. iii iv ii i
2. iv iii i ii
3. iv iii ii i
4. iii iv i ii

Subtopic:  Gastric Secretions | Intestinal Secretions |  DIGESTION OF FOOD |
 88%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following options best represents the enzyme composition of pancreatic juice?

1. Amylase, pepsin, trypsinogen, maltase

2. Peptidase, amylase, pepsin, rennin

3. Lipase, amylase, trypsinogen, pro carboxypeptidase

4. Amylase, peptidase, trypsinogen, rennin

Subtopic:  Pancreatic Secretions |  DIGESTION OF FOOD |
 84%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch