Digestive system in humans MCQs with Answers

Digestive system in humans MCQs

Hello students, our today’s topic is ‘Digestive system in humans’. Digestive system of humans is very complex. The digestive system of humans mainly involves rectum, large intestine, small intestine, pancreas, stomach (ventriculus), liver, gall bladder, oesophagus, and salivary glands.

The MCQ will help you to know more about digestive system.

MCQ. 1): The process of converting large food molecules into small molecules which can be easily absorbed into human body is known as …………………………………………….

a) Nervous system

b) Digestive system

c) Respiratory system

d) Excretory system

MCQ. 2): Which of the following is the entry part of the digestive system?

a) Rectum

b) Stomach

c) Mouth

d) Nose

MCQ. 3): The long tube which connects mouth to the stomach is ……………………………………………………..

a) Oesophagus

b) Liver

c) Gall bladder

d) Rectum

MCQ. 4):Which of the following part of trachea prevents food from entering the windpipe?

a) Alveoli

b) Epiglottis

c) Teeth

d) Nose

MCQ. 5):An involuntary rhythmic (wave like) contraction occurs when food passes to the oesophagus is called as …………………………………………………….

a) Epiglottis

b) Voluntary contraction

c) Peristalsis

d) Ptyalin

MCQ. 6): A lubricant mucus is secreted by the lining of oesophagus to ……………………………………………….

a) To support tongue

b) To support stomach in movement

c) To support small intestine

d) To support the movement of food

MCQ. 7):The muscular ringed valve between oesophagus and stomach is known as …………………………………………………………….

a) Pyloric sphincter

b) Lower oesophageal sphincter

c) Duodenal sphincter

d) Jejunal sphincter

MCQ. 8): What is the function of oesophageal sphincter?

a) Makes bolus

b) Food chewing

c) Prevent stomach acid backflow

d) Kills bacteria

MCQ. 9): The bolus is also known for …………………………………………………..

a) Chyme

b) Rugae

c) Mucus

d) Sac

MCQ. 10):Which of the following cavity leads to the oesophagus and trachea?

a) Pharynx

b) Mouth

c) Jejunum

d) Rectum

MCQ. 11): Which of the following part tastes food and food mixes with saliva?

a) Mouth

b) Teeth

c) Tongue

d) Stomach

 

Answer

1) b) Digestive system

2) c) Mouth

3) a) Oesophagus

4) b) Epiglottis

5) c) Peristalsis

6) d) To support the movement of food

7) b) Oesophageal sphincter

8) c) Prevent stomach acid backflow

9) a) Chyme

10) a) Pharynx

11) c) Tongue

Updated: June 21, 2021 — 1:17 pm

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