Basic Quiz – 1 October 2026 | Science & Tech

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Basic Quiz – 1 October 2026 | Science & Tech

1 / 5

1) With reference to gel electrophoresis, consider the following statements:

  1. DNA fragments move towards the anode because DNA is negatively charged.
  2. Agarose can provide a sieving matrix for separating DNA fragments.
  3. Larger DNA fragments generally travel farther through an agarose gel than smaller fragments.
  4. DNA fragments recovered from the gel can subsequently be used in recombinant DNA construction.

Which of the statements given above are correct?

2 / 5

2) Consider the following statements regarding DNA microarray technology:

  1. It is based on the preferential binding of complementary single-stranded nucleic acids.
  2. DNA molecules are arranged at fixed locations on a solid substrate.
  3. It can be used to analyse the expression of thousands of messenger RNA molecules.
  4. Its primary purpose is to determine the complete nucleotide sequence of an organism’s genome.

How many of the statements given above are correct?

3 / 5

3) Consider the following pairs:

Technique/InitiativeAssociated feature
1. IndiGenPopulation-scale whole genome sequencing
2. National Genomic GridGenomic study of cancer patients
3. DNA MicroarraySimultaneous analysis involving multiple genes
4. Gel ElectrophoresisSeparation of DNA fragments according to size

How many of the above pairs are correctly matched?

4 / 5

4) With reference to nanopore sequencing, which one of the following best describes its working principle?

5 / 5

5) With reference to genome sequencing, consider the following statements:

  1. It involves determining the order of nucleotide bases in an organism’s genome.
  2. DNA-containing biological samples such as saliva and bone marrow can be used for sequencing.
  3. Genome sequencing can be used only for identifying inherited single-gene disorders.

Which of the statements given above is/are correct?

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Basic Quiz – 1 October 2026 | Science & Tech

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