Question types

STD 12 - 10. biotechnology and its application question types

211 questions across 1 question group — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

211
Questions
1
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5
Question types
Sample Questions

STD 12 - 10. biotechnology and its application questions

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

Match List $I$ with List $II$ :

List $I$ List $II$
$A.$  $\alpha-I$ antitrypsin $I.$   Cotton bollworm
$B.$  Cry $\mathrm{IAb}$ $II.$  $ADA$ deficiency
$C.$   Cry IAc $III.$  Emphysema
$D.$  Enzyme replacement therapy $IV.$  Corn borer

Choose the correct answer form the options given below:

  • A
    $A-III, B-I, C-II, D-IV$
  • $ A-III, B-IV, C-I, D-II$
  • C
    $A-II, B-IV, C-I, D-III$
  • D
    $ A-II, B-I, C-IV, D-III$

Answer: B.

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Which of the following are fused in somatic hybridization involving two varieties of plants?
  • A
    Somatic embryos
  • Protoplasts
  • C
    Pollens
  • D
    Callus

Answer: B.

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The capacity to generate a whole plant from any cell of the plant is called:
  • A
    Micropropagation
  • B
    Differentiation
  • C
    Somatic hybridization
  • Totipotency

Answer: D.

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Given below are two statements:

Statement $I$ : Bt toxins are insect group specific and coded by a gene cry $IAc$.

Statement $II$ : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic $\mathrm{pH}$ of the insect gut.

In the light of the above statements, choose the correct answer from the options given below:

  • A
    Both Statement $I$ and Statement $II$ are false
  • Statement $I$ is true but Statement $II$ is false
  • C
    Statement $I$ is false but Statement $II$ is true
  • D
    Both Statement $I$ and Statement $II$ are true

Answer: B.

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Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?
  • A
    Enzyme Linked Immuno-Sorbent Assay $(ELISA)$ technique
  • Serum and Urine analysis
  • C
    Recombinant DNA Technology
  • D
    Polymerase Chain Reaction $(PCR)$ technique

Answer: B.

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