SOLVED MCQs
CHAPTER 01 BIOLOGY 10TH FBISE
DIGESTIVE SYSTEM
1. Emulsification of fat will not occur in the absence of:
A) lipase
B) bile ✔
C) pancreatic juice
D) gastric juice
2. Which enzyme, substrate and pH conditions are needed for the digestion of food in the stomach?
A) Amylase – Starch – Low pH
B) Lipase – Lipid – High pH
C) Protease – Protein – Low pH ✔
D) Protease – Protein – High pH
3. Bile is formed in:
A) liver ✔
B) gall bladder
C) pancreas
D) duodenum
4. Glycogen is stored in:
A) gall bladder
B) spleen
C) liver ✔
D) pancreas
5. Common passage for swallowing food and breathing is:
A) pharynx ✔
B) glottis
C) larynx
D) mouth
6. Digestion of both starch and protein is carried out by:
A) gastric juice
B) saliva
C) bile
D) pancreatic juice ✔
7. If the mucus lining covering the stomach breaks down and stomach tissues are damaged by:
A) gastric juice ✔
B) saliva
C) bile
D) pancreatic juice
8. Part of the digestive system, which is not in contact with food, is:
A) small intestine
B) liver ✔
C) caecum
D) stomach
9. The diet component which prevents constipation is:
A) fibre ✔
B) protein
C) minerals
D) vitamin
10. Fatty acids and glycerol are first absorbed by:
A) lymph vessel ✔
B) villi
C) blood capillaries
D) hepatic portal vein
11. Which secretion, released into the alimentary canal, contains no enzyme but speeds up fat digestion?
A) bile ✔
B) pancreatic juice
C) saliva
D) gastric juice
12. Enzyme trypsinogen is changed to trypsin by:
A) gastrin
B) enterokinase ✔
C) secretin
D) hydrochloric acid
13. How does food move through your digestive tract?
A) by gravity
B) by wavelike muscle contractions ✔
C) by cilia
D) by chemical absorption
14. Where is the majority of water from indigestible food absorbed?
A) small intestine
B) large intestine ✔
C) stomach
D) pancreas
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