Multiple choice

Directions: The following question has four choices out of which ONLY ONE is correct.

The _________ is a natural pesticide which paralyzes and kills insects feeding on the plants.

  1. n-Butylamine

  2. Cafestol

  3. Calcein

  4. Caffeine

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

Caffeine is found in varying quantities in the seeds, leaves, and fruits of some plants, where it acts as a natural pesticide that paralyzes and kills certain insects feeding on the plants. It is most commonly consumed by humans in infusions extracted from the bean of the coffee plant and the leaves of the tea bush.