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 Multiple Choice QuestionsMultiple Choice Questions


Curdling of milk in small intestine occurs due to the action of

  • rennin

  • erypsine

  • trypsin

  • chymotrypsin


Chloromycetin is obtained from

  • Streptomyces venezuelae

  • Streptomyces rimosus

  • Bacillus subtilis

  • Clostridium botulinum


Which of the following pesticides is an acetylcholinesterase inhibitor?

  • Aldrin

  • BHC

  • Endosulfan

  • Malathion


Assertion : Yeasts such as Saccharomyces cerevisiae are used in baking industry.

Reason : Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.

  • If both Assertion and Reason are true and the reason is the correct explanation of the assertion

  • If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

  • If Assertion is true statement but Reason is false

  • If both Assertion and Reason are false statements


Which of the following micro-organism is used for conversion of milk into curd?

  • Xanthomonas citri

  • Bacillus megatherium

  • Acetobacter aceti

  • None of the above


The pesticide used as preventive measure in buildings is :

  • aldrin

  • dieldrin

  • endrin

  • DDT


Which of the following is the product of glucose fermentation by yeast?

  • C6H12O6

  • C2H5OH

  • (C6H10O5)n

  • CH2OH


Yeast is used in the production of :

  • acetic acid

  • citric acid

  • ethyl alcohol

  • curd


Streptomycin was isolated first time by :

  • A. Flemming

  • Robert Koch

  • N. Borlaug

  • S. Waksman


Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to:

  • vitamin toxicity

  • kidney stones

  • hypercholesterolemia

  • urine laden with ketone bodies