Industrial Biotechnology MCQs

Question 1

Germinating barley seeds are used for preparation of

Accepted Answer

Beer

Answer

Lactic acid

Answer

Wine

Answer

Cheese

Question 2

Rennet is used in

Accepted Answer

Cheese manufacturing

Answer

Bread industry

Answer

Fermentation industry

Answer

Synthesis of antibiotics

Question 3

Agar - agar is a polymer of

Accepted Answer

Galactose

Answer

Sulphated sugar

Answer

Pectin

Answer

Protein

Question 4

Enzyme immobilization is

Accepted Answer

Changing a soluble enzyme into insoluble state

Answer

Conversion of an active enzyme into inactive form

Answer

Providing enzyme with protective covering

Answer

Changing pH so that enzyme is not able to carry out its function

Question 5

Curacin - A is a potent anti-tumour agent obtained from a marine

Accepted Answer

Aspergillus

Answer

Actinomycetes

Answer

Cyanobacterium

Answer

Coral reef

Question 6

A microbial product can be extracted from fermentation broth by

Accepted Answer

All the above

Answer

Chromatography

Answer

Chemical derivatisation

Answer

Fractional precipitation

Question 7

Biodiesel is produced from fats/oil through a process known as

Accepted Answer

Esterification

Answer

Hydrolysis

Answer

Transesterification

Answer

Condensation

Question 8

Saccharomyces cerevisiae is called "top yeast" because it

Accepted Answer

Rises to wines of the surface (top) during the fermentation process

Answer

Produces "top" quality

Answer

Requires "top quality" of substrates during the fermentation process

Answer

Is commonest yeast-producing alcohol

Question 9

The malolactic fermentation is encouraged by species of

Accepted Answer

Leuconostoc

Answer

Lactobacillus

Answer

Pediococcus

Answer

Saccharomyces