Multiple Choice Questions

Advertisement

Zymogenic cells of gastric gland secrete

  • pepsinogen

  • trypsin

  • pepsin

  • chymotrypsin


A.

pepsinogen

The peptic cells or chief cells or zymogenic cells of gastric gland secrete pepsinogen. The enzyme pepsinogen has no proteolytic activity. It is the inactive precursor of pepsin. The proenzyme pepsinogen on exposure to HCl gets converted into the active enzyme pepsin which is the proteolytic enzyme of the stomach.

Pancreatic acinar cells (exocrine part of pancreas) produce pancreatic juice that contains protein-digesting enzymes, namely trypsin, chymotrypsin and carboxypeptidase and carbohydrases like pancreatic a-amylase and lipase.


Advertisement

The epithelium found in the inner linings of stomach and intestine is

  • columnar

  • squamous

  • stratified

  • pseudostratified


Which one of the following cocci appears like grapes under microscope?

  • Streptococci

  • Diplococci

  • Staphylococci

  • Pneumococci


Melatonin is produced from

  • pineal gland

  • adrenal gland

  • parathyroid gland

  • ovary


Wildlife Protection Act India was implemented in the year

  • 1982

  • 1988

  • 1972

  • 1970


Advertisement

What is the stroke volume of an adult human heart?

  • 50 mL

  • 70 mL

  • 90 mL

  • 100 mL


Which one of the following is wrong for meiosis?

  • It leads to formation of sister chromatids

  • It occurs in diploid cell

  • It occurs in haploid cell

  • It occurs by splitting of centromeres and separation of sister chromatids


Which hormone is responsible for reabsorption of water in kidney?

  • ADH

  • STH

  • ACTH

  • GTH


Which one of the following animals is uricotelic?

  • Lizard

  • Camel

  • Toad

  • Rohu fish


Advertisement

Which one of the following combination of all three fatty acids are essential for human beings?

  • Oleic acid, linoleic acid and linolenic acid

  • Palmitic acid, linoleic acid and arachidonic acid

  • Oleic acid, linoleic acid and arachidonic acid

  • Linoleic acid, linolenic acid and arachidonic acid