Introduction to Biotechnology MCQs with answers Page - 7

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Q. Pyrethrum is obtained from

  • (A) Chrysanthemum cinerarifolium
  • (B) Nicotiana sp
  • (C) Derris elliptica
  • (D) Lonchocarpus nicou

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Q. Bacillus thuringiensis (Bt) strains have been used for designing novel

  • (A) Biofertilizers
  • (B) Bio-metallurgical techniques
  • (C) Bio-mineralization processes
  • (D) Bioinsecticidal plants

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Q. Rockefeller group discovered that the extract of dead capsule forming Pneumococci could transform a non-capsulated strain. What transforming material was present in the extract of the dead strain?

  • (A) Denatured proteins
  • (B) t-RNA
  • (C) DNA
  • (D) Toxins

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Q. Identify the incorrect match

  • (A) Koch ⇔ Germ theory
  • (B) Pasteur ⇔ Blood clotting theory
  • (C) Halsted ⇔ Modern surgical principles
  • (D) Lavoisier ⇔ Oxygen theory of combustion

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Q. The first hormone produced artificially by culturing bacteria is

  • (A) Thyroxine
  • (B) Testosterone
  • (C) Adrenaline
  • (D) Insulin

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Q. Virus free plants can be produced from one infected mother plant by micropropagation from

  • (A) Apical meristem culture
  • (B) Anther culture
  • (C) Leaf tip culture
  • (D) Stem culture

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Q. Tobacco mosaic virus (TMV) was first crystallized by

  • (A) D. Ivanowski
  • (B) W. M. Stanley
  • (C) M. W. Beijerinck
  • (D) F. C. Bawden

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Q. Hirudin gene is inserted in

  • (A) Brassica napus
  • (B) Nicotiana tabacum
  • (C) Bacillus thuringiensis
  • (D) Brassica campestris

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Q. Who amongst the following was awarded with the Nobel Prize for the discovery of regulator genes?

  • (A) Watson and Crick
  • (B) Nirenberg and Khorana
  • (C) Beadle and Tatum
  • (D) Jacob, Monad and Lwoff

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Q. What is recombinant DNA technology?

  • (A) Study of inheritance
  • (B) Study of meiotic recombination
  • (C) Mitotic crossing over
  • (D) Skilful tailoring and manipulation of genetic material

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