Animal Biotechnology MCQs | Page - 2

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Mr. Dubey • 100.64K Points
Coach

Q. Which gene transfer technique involves the use of a fatty bubble to carry a gene into a somatic cell?

  • (A) Electroporation
  • (B) Liposome transfer
  • (C) Microinjection
  • (D) Particle bombardment
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Mr. Dubey • 100.64K Points
Coach

Q. In general, the higher the intensity of exercise, the greater the proportional contribution of

  • (A) Aerobic energy production
  • (B) Anaerobic energy production
  • (C) The TCA cycle (Krebs' cycle) to the production of ATP
  • (D) The electro n transfer chain to the production of ATP
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Mr. Dubey • 100.64K Points
Coach

Q. The conversion of one molecule of glucose to two molecules of pyruvate results in the net formation of

  • (A) Six molecules of water
  • (B) Two molecules of ATP
  • (C) Three molecules of ATP
  • (D) Thirty-eight molecules of ATP
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Mr. Dubey • 100.64K Points
Coach

Q. Which one of the following is used as a pH indicator in animal cell culture medium?

  • (A) Acridine orange
  • (B) Phenol red
  • (C) Bromophenol blue
  • (D) Coomassie blue
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Mr. Dubey • 100.64K Points
Coach

Q. A neonatally thymectomized mouse immunized with protein antigen shows

  • (A) Both primary and secondary responses to antigen
  • (B) Only primary response to antigen
  • (C) Delayed type hypersensitive reactions
  • (D) No response to the antigen
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Mr. Dubey • 100.64K Points
Coach

Q. Which of the following releases most energy when completely oxidised in the body?

  • (A) One gram of glucose
  • (B) One gram of palmitic acid
  • (C) One gram of proteins
  • (D) One gram of alcohol
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Mr. Dubey • 100.64K Points
Coach

Q. Which of the following reagents is used for harvesting anchorage-dependent animal cells from culture vessels?

  • (A) Trypsin/Collagenase
  • (B) Trypsin/Collag
  • (C) Collagen/Fibronectin
  • (D) DMSO
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Mr. Dubey • 100.64K Points
Coach

Q. Which of the following statements regarding the supercoiling of duplex DNA is correct?

  • (A) DNA replication promotes positive supercoiling downstream from the replication fork
  • (B) DNA polymerase III can replicate positively supercoiled duplex DNA
  • (C) DNA topoisomerases unwind duplex DNA into single-stranded DNA chains
  • (D) DNA topoisomerases unwind positively supercoiled duplex DNA without cutting the phosphosugar backbone
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Mr. Dubey • 100.64K Points
Coach

Q. The two principal contractile proteins found in skeletal muscle are:

  • (A) Actin and troponin
  • (B) Actin and myosin
  • (C) Troponin and tropomyosin
  • (D) Myosin and tropomyosin
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Mr. Dubey • 100.64K Points
Coach

Q. The blue colonies contained

  • (A) Plasmid only
  • (B) Foreign DNA only
  • (C) Both A and B
  • (D) None of these
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