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Biotechnology MCQ

33 MCQ questions with answers and explanations · page 2 of 2

Test yourself▶ 25 question test

Q26. Restriction endonucleases were used by Cohen and Boyer's DNA experiments for-

  1. AIsolation of cloned hacterial plasmids
  2. BCleaving the bacterial plasmid
  3. CIsolation of human insulin
  4. DBoth a and b
Show answer & explanation

Answer: B) Cleaving the bacterial plasmid

Q27. What is the application of Somatic Cell Nuclear Transfer Technology ?

  1. AProduction of biolarvicides
  2. BManufacture of biodegradable plastics
  3. CReproductive cloning of animals
  4. DProduction of organisms free of diseases
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Answer: C) Reproductive cloning of animals

Q28. A method used to distinguish DNA of one individual from another is-

  1. ADNA sequencing
  2. Bc DNA
  3. CHybridisation
  4. DRestriction fragment length polymorphism
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Answer: D) Restriction fragment length polymorphism

Q29. Which is used extensively for genetic engineering in plant ?

  1. AAgrobacterium tumefaciens
  2. BXanthomonas citri
  3. CBacillus coagulans
  4. DClostridium septicum
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Answer: A) Agrobacterium tumefaciens

Q30. A genetically engineered form of brinjal known as the Bt-brinjal has been developed. The objective of this is-

  1. ATo make it pest-resistant
  2. BTo improve its taste and nutritive qualities
  3. CTo make it drought resistant
  4. DTo make its self-life linger
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Answer: A) To make it pest-resistant

Q31. Bt seed is associated with-

  1. ARice
  2. BWheat
  3. CCotton
  4. DOil seed
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Answer: C) Cotton

Q32. What is Cas 9 protein that is often mentioned in news ?

  1. AA molecular secissors used in targeted gene editing
  2. BA biosensor used in the accurate detection of pathogens in patients
  3. CA gene that makes plants pest-resistant
  4. DA herbicidal substance synthesized in genetically modified crops
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Answer: A) A molecular secissors used in targeted gene editing

Q33. Bollgard I and Bollgarg II technologies are mentioned in the context of-

  1. AClonal propagation of crop plant
  2. BDeveloping genetically modified crop plants
  3. CProduction of plant growth sabstances
  4. DProduction of biofertilizers
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Answer: B) Developing genetically modified crop plants

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