set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Which gas is responsible for the puffed-up appearance of dough ?

a) SO₂

b) CO₂

c) O₂

d) NO₂

Question : 2

Streptokinase which is used as a ‘clot buster’ obtained from

a) Lactobacillus

b) Streptococcus

c) Staphylococcus

d) Saccharomyces

Question : 3

Most of eubacterial antibiotics are obtained from

a) Streptomyces

b) Rhizobium

c) Bacillus

d) Cephalosporium

Question : 4

Important objective of biotechnology in agriculture section is

a) to decrease the seed number

b) to produce pest resistant varieties of plant

c) to increase the nitrogen content

d) to increase the plant weight

Question : 5

Which one of the following statement is true?

a) The lesser the BOD of waste water, more is its polluting potential.

b) The greater the BOD of waste water, more is its polluting potential.

c) The greater the BOD of waste water, less is its polluting potential.

d) The lesser the BOD of waste water, less is its polluting potential.