Question

Regarding nematicides, which statement is accurate?

1. Nematicides are used to control weeds and invasive plant species.
2. Nematicides are substances that prevent, repel, or control nematodes.
3. Nematicides are primarily used to sterilize insect pests.

• A. All
• B. ii, iii
• C. iii only
• D. ii only

Answer 1

Answer:

D. ii only

• Nematicides: Substances that prevent, repel, or control nematodes.

• Eg: Ethylene dibromide

• Chemosterilants: Substances that sterilize the insect pests.

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

• Eg: Metaldehyde