Multiple choice general knowledge

UV radiations is injurious to plants because it

  1. Break phosphate bonds

  2. Increases respiration

  3. Causes dehydration

  4. Causes genetic changes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

UV radiation damages DNA and causes genetic mutations in plants because it breaks chemical bonds in nucleic acids. While it can affect various cellular processes, its primary damaging effect is on genetic material, leading to mutations that can harm plant growth and survival.