Multiple Choice Questions

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The mobile genetic element is

  • Transposon

  • Mutation

  • Endonuclease

  • Variation


A.

Transposon

The mobile genetic element is broadly any genetic element capable of moving itself with or without duplication from one site in a genome to another.


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Allelic sequence variation where more than one variant allele at a locus in a human population with a frequency greater than 0.01 is referred to as

  • DNA polymorphism

  • Multiple allelism

  • SNP

  • EST


Besides dung, the weed that can be used in biogas production is

  • Hydrilla

  • Solanum- nigrum

  • Eichhornia Crassipes

  • Parthenium hysterophorus


Bacillus thuringiensis (Bt) strains have been used for designing novel

  • Bio metallurgical technique

  • Bio mineralization process

  • Bio Insecticidal Plants

  • Bio Fertilizers


Bacillus thuringiensis (Bt) strains have been used for designing novel

  • bio metallurgical technique

  • bio mineralization process

  • bio insecticidal plants

  •  bio fertilizers


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In the given diagram, parts labelled as A, B, C, D,  E and F are respectively identified as

  • Synergids, polar nuclei, central cell, antipodals, filiform apparatus and egg

  • Polar nuclei, egg, antipodals, central cell, filiform apparatus and synergids

  • Egg, synergids, central cell, filiform apparatus, antipodals and polar nuclei

  • Central cell, polar nuclei filiform apparatus, antipodals, synergids and egg


In recombinant DNA technique, the term vector refers to

  • Donor DNA, is identified and picked up through electrophoresis

  • Plasmid transfers DNA into living cell

  • Collection of the entire genome in form of plasmid

  • Enzyme, cuts the DNA at specific sites


When two unrelated individuals or lines are crossed, the performance of F1 hybrid in often superior to both of its parents. This phenomenon is called

  • Transformation

  • Heterosis

  • Splicing

  • Meta Morphosis


Given below is a sample of portion of DNA strand given the base sequence on the opposite strand. What is so special show in it?

5’−GAATTC….3’

3’−CTTAAG … 5’

  • Detection mutation

  • Start codon at 5′ end

  • The palindromic sequence of base pairs

  • Replication completed


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The statement All biological catalysts are protein is no longer valid after the discovery of

  • ribonuclease

  • ribozyme

  • RNAs

  • DNAs