MCQ's About "The Digestive System".

 The Digestive System.

Question 1
Digestion is the breaking down of large food molecules into smaller ones. The main purpose of this is to:
(A)  make the food soluble  (B)  use up the digestive enzymes
(C)  break down the fibres  (D)  make the food slide along the intestine

Question 2
Digestion begins in the:
(A)  stomach  (B)  small intestine  (C)  mouth  (D)  large intestine

Question 3
Digestion is completed in the:
(A)  large intestine  (B)  small intestine  (C)  stomach  (D)  liver

Question 4
During digestion, food becomes soluble and passes from the digestive system into the blood. This mainly
takes place in the:
(A)  mouth  (B)  small intestine  (C)  large intestine  (D)  rectum

Question 5
Which of the following plays no part in digestion in humans?
(A)  salivary glands  (B)  pancreas  (C)  liver  (D)  appendix

Question 6
Which one of the following is digested in the stomach?
(A)  sugars  (B)  proteins  (C)  starches  (D)  fats

Question 7
The conditions in the stomach are:
(A)  alkaline  (B)  acidic  (C)  basic  (D)  neutral

Question 8
Which of the following is the correct order of parts in the digestive system, starting with the mouth?
(A)  gullet, small intestine, stomach, large intestine  (B)  gullet, stomach, small intestine, large intestine
(C)  stomach, gullet, large intestine, small intestine  (D)  stomach, small intestine, large intestine,
\gullet

Question 9
While we eat, some digestive juice is passed into the mouth from the:
(A)  gall bladder  (B)  small intestine  (C)  salivary glands  (D)  pancreas

Question 10
What are proteins broken down into during digestion?
(A)  amino acids  (B)  starch  (C)  glucose  (D)  fatty acids

Question 11
What is starch broken down into during digestion?
(A)  amino acids  (B)  fatty acids  (C)  glycerol  (D)  glucose

Question 12
What are fats broken down into during digestion?
(A)  proteins and amino acids  (B)  starch and glucose
(C)  fatty acids and glycerol  (D)  fatty acids and glucose

Question 13
The lining of the small intestine is covered in thousands of tiny finger-like villi. What job do the villi do?
(A)  push food along  (B)  slow food down
(C)  increase the surface area  (D)  produce enzymes

Question 14
Faeces is stored temporarily in the:
(A)  anus  (B)  large intestine  (C)  small intestine  (D)  rectum

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Answers
Question 1 (A)  Question 2 (C)  Question 3 (B)  Question 4 (B)  Question 5(D)
Question 6 (B)  Question 7 (B)  Question 8 (B)  Question 9 (C)  Question 10 (A)
Question 11 (D)  Question 12 (C)  Question 13 (C)  Question 14 (D)