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CBSE

Subject

Biology
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NEET Biology : Digestion and Absorption

Multiple Choice Questions

81.

Match the following column I with column II

Column I Column II
A. Vitamin- B1 1. Accumulation of fat
B. Gastric juice 2. Loss of fat
C. Starvation 3. Pepsin
D. Obesity 4. Beri- beri

  • A- 3; B- 4; C- 2; D- 1

  • A- 3; B- 4; C- 1; D- 2

  • A- 4; B- 3; C- 1; D- 2

  • A- 4; B- 2; C- 1; D- 3



82.

Which of the following organs does not produce any digestive enzymes?

  • Salivary gland

  • Pancreas

  • Liver

  • Stomach



83.

The serous membrane which covers the lungs is called

  • pericardium

  • peritoneum

  • perichondrium

  • pleura



84.

Brunner's gland is present in

  • duodenum

  • jejunum

  • ileum

  • rectum



85.

Meissner's corpuscles occur in

  • brain

  • nerve cells

  • skin

  • tongue



86.

The usual cause (s) of peptic ulceration is/are

  • lower rate of secretion of gastric juice

  • higher rate of secretion of gastric and duodenal juices

  • improper neutralisation of gastric juice by duodenal juices

  • imbalance between the rate of secretion of gastric juice and the degree of protection offered by gastro-duodenal mucosa



87.

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.

  • Column I Column II
    Glycine and glucose Small intestine and active absorption
  • Fructose and Na+ Small intestine passive absorption
  • Glycerol and fatty acids Duodenum and move as chilomicrons
  • Cholesterol and maltose Large intestine and active absorption


88.

Intrinsic factor produced by the oxyntic cells of human gut wall is essential for

  • converting the inactive pepsinogen to its active form pepsin

  • maintaining an extremely acid environment in the stomach

  • protecting the stomach wall and glands from autolysis (self-digestion)

  • absorption of vitamin B12 from the dietary supply



89.

Cholecystokinin stimulates the secretion of

  • bile

  • gastric juice

  • pancreatic juice

  • succus entericus



90.

Ptyalin is inactivated by a component of gastric juice known as

  • pepsin

  • mucus

  • renin

  • HCl



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