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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

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