NEET Biology Biotechnology : Principles And Processes Question Bank

done Critical Thinking Questions Total Questions - 9

• question_answer1)
  The bread is soft and porous when the yeast cells are mixed in the lump of wheat flour because [CPMT 1976]
  A)
  Yeast produce benzoic acid done clear
  B)
  Evolution of \[C{{O}_{2}}\] makes the bread spongy done clear
  C)
  Yeast is soft and flour also becomes soft done clear
  D)
  Yeast produces acetic acid and alcohol which give softness to the bread done clear
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• question_answer2)
  Broad spectrum antibiotic is that which [AMU 1985]
  A)
  Acts on both pathogens and hosts done clear
  B)
  Acts on all bacteria and viruses done clear
  C)
  Acts on a variety of pathogenic micro-organisms done clear
  D)
  Is effective in very small amounts done clear
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• question_answer3)
  Antibiotics inhibit the growth of or destroy [Bihar MDAT 1988]
  A)
  Bacteria and fungi done clear
  B)
  Bacteria and viruses done clear
  C)
  Bacteria, algae and viruses done clear
  D)
  Bacteria, fungi and viruses done clear
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• question_answer4)
  The fruit juices turn bitter in taste if they are kept in open place for some time, because of [CPMT 1977]
  A)
  Bacteria of the atmosphere react with the juice done clear
  B)
  Fermentation of the juice by yeast done clear
  C)
  Some internal factors done clear
  D)
  All the above three statements are correct done clear
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• question_answer5)
  Most of the micro-organisms which produce antibiotics live in the soil because
  A)
  Darkness favours synthesis of antibiotics done clear
  B)
  By the phenomenon of antibiosis, their growth, nutrition and survival value are enhanced in competitive world of microflora of the soil done clear
  C)
  They cannot get nutrition outside the soil done clear
  D)
  No one easily misuse their antibiotics done clear
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• question_answer6)
  The prerequisites for biotechnological production of antibiotics is [MP PMT 1998]
  A)
  To search an antibiotic producing microorganism done clear
  B)
  To isolate the antibiotic gene done clear
  C)
  To join antibiotic gene with E. coli plasmid done clear
  D)
  All of the above done clear
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• question_answer7)
  Hybridomas are the result of fusion of
  A)
  Male reproductive cells done clear
  B)
  Female reproductive cells done clear
  C)
  Normal antibody producing cells with myeloma done clear
  D)
  Abnormal antibody producing cells with myeloma done clear
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• question_answer8)
  Trichoderma reesei is being used for the
  A)
  Industrial production of cellulose done clear
  B)
  Biological control of plant diseases done clear
  C)
  Industrial production of antibiotics done clear
  D)
  Industrial production of amylase done clear
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• question_answer9)
  Hybridoma cells are [CBSE PMT 1999]
  A)
  Nervous cells are done clear
  B)
  Hybrid cells resulting from myeloma cells done clear
  C)
  Only cells having oncogenes done clear
  D)
  Product of spore formation in bacteria done clear
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