MCQ’S ON PANCREAS
1. Inhibition of gastric secretions is brought about by
(a) GIP
(b) Cholecystokinin
(c) Gastrin
(d) Pancreozymin
Answer: (a)
2. One of the constituents of the pancreatic juice while poured into the duodenum in humans is
(a) trypsin
(b) enterokinase
(c) trypsinogen
(d) chymotrypsin
Answer: (c)
3. Pancreatitis can be produced by the following drug
(a) Ciprofloxacin
(b) Nalidixic acid
(c) Colchicine
(d) L-Asparaginase
Answer: (d)
4. Gasless abdomen in X-ray is a sign of
(a) Ulcerative colitis
(b) Acute pancreatitis
(c) Intussusception
(d) Necrotizing enterocolitis
Answer: (b)
5. This is a major product of chief cells
(a) Mucus
(b) Vitamin B12
(c) Pepsinogen
(d) HCl
Answer: (c)
6. The islets of Langerhans are found in
(a) Stomach
(b) Alimentary canal
(c) Pancreas
(d) Liver
Answer: (c)
7. Secretion of pancreatic juice is triggered by
(a) secretin
(b) enterogastrone
(c) gastrin
(d) enterokinase
Answer: (a)
8. This is a common passage for bile and pancreatic juice
(a) stomach
(b) ampulla
(c) duct of oddi
(d) duct of wirsung
Answer: (b)
Explanation: Also referred to as the Ampulla of Vater, the Hepato-pancreatic duct is formed by the coming together of the common bile duct and the pancreatic duct. Consequently, this serves as the common passage for the pancreatic juice and bile.
9. Pancreas is not
(a) Elongated organ
(b) Compound
(c) Exocrine portion secretes pancreatic juice
(d) Located above duodenum
Answer: (d)
10. This is most diagnostic investigation for acute pancreatitis
(a) Serum LDH
(b) Serum amylase
(c) Serum Lipase
(d) Serum P-isoamylase
Answer: (c)
MCQ’S ON GLOBAL WARMING
1. This process is functional in removing carbon dioxide from the atmosphere
(a) lightning
(b) deforestation
(c) burning of fossil fuels
(d) photosynthesis
Answer: (d)
2. Mainly, Ozonosphere is depleted by
(a) CFCs
(b) excess CO2
(c) ozone
(d) excess CO
Answer: (a)
3. This is not a possible adverse effect of global warming
(a) sea level rise
(b) an increase of UVB radiation
(c) retreat of glaciers
(d) extraordinary weather patterns
Answer: (b)
4. Correct descending order of relative contribution of various greenhouse gases to total global warming is
(a) carbon dioxide; methane; CFCs; nitrous oxide
(b) carbon dioxide; methane; nitrous oxide; CFCs
(c) carbon dioxide; CFCs; nitrous oxide; methane
(d) carbon dioxide; CFCs; methane; nitrous oxide
Answer: (a)
5. CFCs have a continuing effect on the ozone layer as
(a) they are efficiently absorbed by atmospheric water vapours
(b) they are being produced in increasing amounts all over the world
(c) Cl atoms formed by them are used up in reactions causing degradation of the ozone
(d) Cl atoms formed by them only act as catalysts in reactions causing degradation of the ozone
Answer: (d)
6. CFCs are crucial in global warming along with their role in ozone depletion as it
(a) is known for destroying ozone, which cools the earth
(b) blocks ultraviolet-B radiation
(c) absorbs solar radiation
(d) absorbs earthshine in 10 micron region
Answer: (d)
7. Which of the following is not a major greenhouse gas?
(a) ozone
(b) water vapour
(c) methane
(d) carbon dioxide
Answer: (a)
8. Ultraviolet radiations from sunlight cause a reaction producing
(a) carbon monoxide
(b) ozone
(c) fluorides
(d) sulphur dioxide
Answer: (b)
9. Surplus of atmospheric carbon dioxide causes an increase in the greenhouse effect as carbon dioxide
(a) is opaque to infrared rays
(b) is not opaque to infrared rays
(c) precipitates dust in the atmosphere
(d) reduce atmospheric pressure
Answer: (a)
10. Checking of re radiating heat by atmospheric carbon dioxide, dust, methane, ozone is known as
(a) solar effect
(b) radioactive effect
(c) ozone layer
(d) greenhouse effect
Answer: (d)