Daily Current Affairs Quiz: February 20, 2026

Daily Prelims Quiz 20th February 2026
Q1.

With reference to monoclonal antibodies, which of the following best describes their role in modern therapeutics?

  • A. They act as general immune boosters without specific targets
  • B. They are naturally produced hormones used for vaccination
  • C. They bind selectively to specific antigens to modify immune response
  • D. They replace antibiotics in treating all microbial infections
Q2.

‘Microsatellite DNA’ is used in the case of which one of the following?

  • A. Studying evolutionary relationships among fauna
  • B. Stimulating stem cells into functional tissues
  • C. Promoting clonal propagation of plants
  • D. Assessing drug efficacy in populations
Q3.

‘Aerial metagenomics’ best refers to which one of the following situations?

  • A. Understanding the genetic makeup of avian species
  • B. Collecting DNA samples from air in a habitat at one go
  • C. Using airborne devices to collect blood samples
  • D. Sending drones to collect surface samples
Q4.

Bollgard I and Bollgard II technologies are mentioned in the context of

  • A. clonal propagation of crop plants.
  • B. production of biofertilizers.
  • C. production of plant growth substances.
  • D. developing genetically modified crop plants.
Q5.

DNA barcoding is particularly useful because it enables:

  • A. Editing defective genes in humans
  • B. Rapid identification of species using standard gene regions
  • C. Artificial synthesis of endangered species
  • D. Modification of hereditary traits