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Multiple Choice Questions

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

  • Indian Council of Medical Research (ICMR)

  • Council for Scientific and Industrial Research (CSIR)

  • Genetic Engineering Appraisal Committee (GEAC)

  • Research Committee on Genetic Manipulation (RCGM)


The correct order of steps in Polymerase Chain Reaction (PCR) is

  • Extension, Denaturation, Annealing

  • Annealing, Extension, Denaturation

  • Denaturation, Annealing, Extension

  • Denaturation, Extension, Annealing


All monerons

  • Contain DNA and RNA

  • Demonstrate a long circular strand of DNA, not formed enclosed in a nuclear membrane

  • Are bacteria

  • All of the above


Skin colour is controlled b

  • Single gene

  • 3 pairs of genes

  • 2 pairs of genes

  • 2 pairs of genes with an intragene


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Gyms revoluta is popularly known as

  • Sago palm

  • Royal palm

  • Date palm

  • Sea palm


In DNA, when AGCT occurs, their association is as per which of the following pair

  • A-G, C-T

  • A-T, G-C

  • A-C, G-T, A-C, E-T

  • All of these


A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is

  • 60

  • 240

  • 120

  • 480


Gel electrophoresis is used for

  • Cutting of DNA into fragments

  • Separation of DNA fragments according to their size

  • Construction of recombinant DNA by joining with cloning vectors

  • Isolation of DNA molecule


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Polysome is formed by

  • Several ribosomes attached to a single mRNA

  • Many ribosomes attached to a strand of endoplasmic reticulum

  • A ribosome with several sub-units

  • Ribosomes attached to each other in a linear arrangement


The product of biotechnology is

  • transgenic crops (GM crops)

  • humulin

  • biofertilizer

  • All of the above


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