set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on biology in human welfare topic of general science mcq
(a) fibre crop
(b) biodiesel crop
(c) biopetro crop
(d) food crop
The correct answers to the above question in:
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.
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Read more biology in human welfare Based General Science Questions and Answers
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.
Answer »Answer: (c)
Question : 2
Domestication of honey bees is called
a) Tissue culture
b) Sericulture
c) Apiculture
d) Pisciculture
Answer »Answer: (c)
Question : 3
Murrah, Mehsana, Jaffarbadi are breeds of
a) Cattle
b) Buffalo
c) Cow
d) Horse
Answer »Answer: (b)
Question : 4
Most of eubacterial antibiotics are obtained from
a) Streptomyces
b) Rhizobium
c) Bacillus
d) Cephalosporium
Answer »Answer: (c)
Bacillus subtilis is used to extract antibiotics substilin or Bacitracin.
Question : 5
Streptokinase which is used as a ‘clot buster’ obtained from
a) Lactobacillus
b) Streptococcus
c) Staphylococcus
d) Saccharomyces
Answer »Answer: (b)
Question : 6
Which gas is responsible for the puffed-up appearance of dough ?
a) SO2
b) CO2
c) O2
d) NO2
Answer »Answer: (b)
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