set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Biogas consists of

a) carbon monoxide, ethane and hydrogen.

b) carbon monoxide, methane and hydrogen.

c) carbon dioxide, methane and hydrogen.

d) carbon dioxide, ethane and hydrogen.

Question : 2

Domestication of honey bees is called

a) Tissue culture

b) Sericulture

c) Apiculture

d) Pisciculture

Question : 3

Murrah, Mehsana, Jaffarbadi are breeds of

a) Cattle

b) Buffalo

c) Cow

d) Horse

Question : 4

Most of eubacterial antibiotics are obtained from

a) Streptomyces

b) Rhizobium

c) Bacillus

d) Cephalosporium

Question : 5

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

a) Lactobacillus

b) Streptococcus

c) Staphylococcus

d) Saccharomyces

Question : 6

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

a) SO₂

b) CO₂

c) O₂

d) NO₂