biology in human welfare - Category wise Question and Answer Practice Test with Solutions

biology in human welfare PRACTICE TEST [2 - EXERCISES]

set 1

set 2

Question : 6

Most of eubacterial antibiotics are obtained from

a) Streptomyces

b) Rhizobium

c) Bacillus

d) Cephalosporium

Answer: (c)

Bacillus subtilis is used to extract antibiotics substilin or Bacitracin.

Question : 7

Jatropha is a

a) fibre crop

b) biodiesel crop

c) biopetro crop

d) food crop

Answer: (b)

Jatropha is a genus of flowering plants in the spurge family, euphorbiaceae. Currently the oil from Jatropha curcas seeds is used for making biodiesel fuel in Phillippines and in Brazil.

Question : 8

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.

Answer: (c)

Question : 9

Domestication of honey bees is called

a) Tissue culture

b) Sericulture

c) Apiculture

d) Pisciculture

Answer: (c)

Question : 10

Murrah, Mehsana, Jaffarbadi are breeds of

a) Cattle

b) Buffalo

c) Cow

d) Horse

Answer: (b)

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1765 biology in human welfare based general science mcq set 2 question answer with explanation pdf
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