Practice Biology in human welfare - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Silk worm is a
(a)
(b)
(c)
(d)
Q-2) Jaya and Ratna developed for green revolution in India are the varieties of
(a)
(b)
(c)
(d)
Jaya and Ratna are two rice varieties developed for green revolution in India.
Q-3) Murrah, Mehsana, Jaffarbadi are breeds of
(a)
(b)
(c)
(d)
Q-4) The example of non-renewable source of energy is
(a)
(b)
(c)
(d)
Q-5) Chemically, the silk is
(a)
(b)
(c)
(d)
Q-6) Jatropha is a
(a)
(b)
(c)
(d)
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.
Q-7) First cloned animal
(a)
(b)
(c)
(d)
Q-8) Which one of the following is not an antibiotic ?
(a)
(b)
(c)
(d)
Q-9) Cheese and Yogurt are products obtained by
(a)
(b)
(c)
(d)
Q-10) Most of eubacterial antibiotics are obtained from
(a)
(b)
(c)
(d)
Bacillus subtilis is used to extract antibiotics substilin or Bacitracin.
Q-11) The most common species for bee-keeping in India is
(a)
(b)
(c)
(d)
Q-12) Yeast Saccharomyces cervisiae is used in the industrial production of
(a)
(b)
(c)
(d)
Commercial ethanol or ethyl alcohol is produced by yeast Saccharomyces cerevisiae.
Q-13) Streptokinase which is used as a ‘clot buster’ obtained from
(a)
(b)
(c)
(d)
Q-14) The term antibiotic was coined by
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(d)
Q-15) Blue revolution is related to the following field
(a)
(b)
(c)
(d)
Q-16) Organic farming is the technique of raising crops through use of
(a)
(b)
(c)
(d)
Q-17) Which gas is responsible for the puffed-up appearance of dough ?
(a)
(b)
(c)
(d)
Q-18) Domestication of honey bees is called
(a)
(b)
(c)
(d)
Q-19) Which of the following is the pair of biofertilizers?
(a)
(b)
(c)
(d)
Q-20) Three crops that contribute maximum to global food grain production are
(a)
(b)
(c)
(d)
Three crops that contribute maximum to global food grain production are wheat, rice and maize, which belong to the family Poaceae (Graminae).