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Top Scorers Of Chapter 9 "Biology Fsc Part 1 Chapter 9 Online Test" MCQ`s Test

Sr.#	Question	Answer
1	Why is lipase not active in the stomach	A. It is destroyed by acid B. It needs alkaline pH to work C. It is secreted by the liver D. It digests only proteins
2	Which hormone stops thesecretion of hydrochlroic acid	A. somatostain B. Secretin C. Gastrin D. Adrenalin
3	The semi solid acidic mass of stomach after three to four hours of a meal is called.	A. Chyme B. Lump C. Bolus D. Chyle
4	Fresh saliva has pH of	A. 2 B. 4 C. 6 D. 8
5	The semi solid acdic mass of stomach after three to four hours of a meal is called.	A. Chyme B. Lump C. Chyle D. Bolus
6	Large intestine is involved in absorption of which vitamin	A. A B. E C. K D. D
7	Why is segmentation imporant in the small intestine.	A. It absorbs bile B. It mixes food with digestive juices C. It breaks down enxymes D. It pushes food to the rectum
8	Which stomach scretion activates pepesin and kills bacteria.	A. Bile B. Hydrochloric acid C. Sodium bicarbonate D. Mucus
9	Why does the enzyme activity drops in the stomach when pH rises.	A. Acid blocks food entry B. Enzymes need acdic pH to work C. Enzymes denature in low pH D. Saliva dilutes gastric juice
10	Which best explais the liver's role in digestion .	A. It produces insulin B. It stores undigested food C. It produces bile for fat digestion D. It secretes enzymes into the colon