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