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Biotechnology and its Applications BIOLOGY - Biotechnology and its Applications

Bihar Board (BSEB) - STD 12 Science - BIOLOGY (BSEB - English Medium). 65 questions in this chapter.

Question types

Biotechnology and its Applications question types

65 questions across 3 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

65
Questions
3
Question groups
5
Question types
Sample Questions

Biotechnology and its Applications questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q [1M]1 Mark
What triggers activations of protoxin to active Bt toxin of Bacillus thuringinesis boll worm?
  • A
    Alkaline pH of gut
  • B
    Acidie pH of stomach
  • ✓
    Body temperature
  • D
    Moist surface of midgut

Answer: C.

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Q 2M.C.Q [1M]1 Mark
Golden rice is :
  • A
    A variety of rice grown along the river in China
  • B
    Long stored rice having yellow colour tint
  • ✓
    A transgenic rice having gene for carotene
  • D
    Wild variety of rice with yellow coloured grains

Answer: C.

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Q 3M.C.Q [1M]1 Mark
Which of the following organizations makes decision regarding the validity of GM research and the safety of introducing GM organisms?
  • A
    Department of Science and Technology
  • B
    Department of Biotechnology
  • ✓
    GEAC
  • D
    Indian Patent Office

Answer: C.

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Q 5M.C.Q [1M]1 Mark
At what pH insecticidal protein synthesized by Bacillus thuringiensis becomes active?
  • A
    pH (Acidic pH)
  • ✓
    Alkaline pH
  • C
    Neutral pH
  • D
    First acidic then alkaline pH

Answer: B.

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Q 7Short Answer Type Questions [2M]2 Marks
(a) Tobacco plants are damaged severely when infected with Meloidogyne incognitia. Name and explain the strategy that is adopted to stop this infestation.
(b) Name the vector used for introducing the nematode specific gene in tobacoo plant.###How has RNA it technique helped to prevent the infestation of roots in tobacco plants by a nematode Meloidogyne incognitia?
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Q 11Long Answer Type Questions [5M]5 Marks
"Plasmid is the boon to Biotechnology'. Justify the statement quotaing the production of human insulin as an example.###How did an American Company Eli Lilly use the knowldege of DNA technology to produced human insulin?
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