Question

Which of the following statements correctly defines chemosterilants?

1. Chemosterilants are substances used to kill snails and slugs.
2. Chemosterilants are chemicals that sterilize insect pests, thereby controlling their reproduction.
3. Chemosterilants are primarily used to attract insect pests.

• A. None of these
• B. 2 only
• C. 1, 2
• D. 3 only

Answer 1

Answer:

B. 2 only

• Chemosterilants: Substances that sterilize the insect pests.

• Molluscicides: Substances that are used to prevent, repel or destroy the snails and slugs.

• Eg: Metaldehyde

• Defoliants: Substances that cause the plant leaves to die and fall away.

• Desiccants: Substances that drain moisture out of the plants causing them to dry.