Biology 11 Chapter - 11 Digestion - 13

Biology 11 Chapter - 11
Digestion - 13

1. Trypsinogen is activated by?

a) enterokinase
b) pepsin
c) hcl
d) chemotrypsin

2. Pancreatic lipase break down the?

a) nuclic acids
b) lipids
c) proteins
d) carbohydrates

3. DNA is broken down into deoxyribonucleotides by the enzyme?

a) amylases
b) lipases
c) deoxyribonucleases
d) ribonucleases

4. The condition in which the stomach acids digest the mucosal lining of the GI tract itself is known as?

a) food poisoning
b) appendicitis
c) peptic ulcer
d) dyspepsia

5. Which one of the following is Not the site of peptic ulcer?

a) oesophagus
b) stomach
c) duodenum
d) lung

6. Which one of the following is an important factor in peptic ulcer?

a) Streptococcus viridans
b) E. coli
c) Helicobacter pylori
d) Salmonella typhi

7. Which one of the following blood group owner is more predisposed to peptic ulcer?

a) O
b) B
c) AB
d) A

8. Barry Marshall who proved that bacteria are responsible for
peptic ulcer, belonged to?

a) Pakistan
b) Australia
c) Holand
d) UK

9. Which one of the following includes food poisoning?

a) all of these
b) diarrhoea
c) vomitting
d) abdominal pain

10. Marshall and his coworker Robin Varan were awarded Nobel prize in?a) 2009
b) 2007
c) 2005
d) 2003

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