Multiple choice

The red colour of ripe tomatoes is due to the presence of

  1. hormones

  2. chlorophyll

  3. enzymes

  4. carotenoids

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

Lycopene, a carotenoid pigment, gives tomatoes their red color when ripe. It's not a hormone (like auxins), not chlorophyll (green pigment), not an enzyme (protein catalyst). Lycopene is specifically responsible for the red to orange-red color of ripe tomatoes.