Question

Regarding the assertion and reason, choose the correct option.
Assertion [A]: Nuclear explosions majorly increase background radiation levels in the world.
Reason [R]: Nuclear explosion results in the release of radionuclides which are long-lived and remain suspended in the atmosphere.

• A. Both A and R are true and R explains A
• B. Both A and R are true R does not explain A
• C. A is true and R is false
• D. Both A and R are false

Answer 1

The correct option is A Both A and R are true and R explains A

Nuclear explosion tests are a major cause of radioactive pollution. It increases the background level of radiations throughout the world because a number of long lived radionuclides are released into the atmosphere and are then dispersed over long distances by winds from the test site.