DAILY CURRENT AFFAIRS QUIZ – 7th June 2025

Consider the following statements about radioactive decay mechanisms:

1. Alpha decay emits a helium nucleus.
2. Beta-minus decay emits a positron.
3. Beta-delayed proton emission occurs after a beta decay.

Which of the above statements is/are correct?

a. 1 and 2 only

b. 1 and 3 only

c. 2 and 3 only

d. 1, 2, and 3

In what kind of terrains are Bailey Bridges most commonly used?

a. Urban interchanges

b. Permanent sea bridges

c. Remote terrains with rivers and valleys

d. High-rise building rooftops

Who is credited with inventing the Bailey Bridge?

a. John Roebling

b. Donald Coleman Bailey

c. Gustave Eiffel

d. Joseph Bazalgette

Which of the following is/are applications of bacteriophage therapy?

1. Treatment of foot ulcers
2. Management of respiratory infections
3. Curing viral flu
4. Treating urinary tract infections

a. 1 and 2 only

b. 1, 2, and 4 only

c. 2 and 3 only

d. All of the above

Consider the following statements about bacteriophages:

1. They can infect both bacteria and viruses.
2. They outnumber bacteria on Earth.
3. They can be used to treat bacterial infections that are resistant to antibiotics.

Which of the above statements is/are correct?

a. 1 and 3 only

b. 2 and 3 only

c. 1 and 2 only

d. 1, 2 and 3