Question

Which of the following do not cause disease in plants?

• A. Rat Trap
• B. Nematodes
• C. Fungi
• D. Bacteria

Answer 1

The correct option is A

Rat Trap

The correct option is A.

Explanation of the correct option:

1. Plant disease is the state which restricts a plant's function from performing to its maximum potential.
2. Common plant diseases include blight, canker, gale, leaf curl, leaf yellowing, and powdery mildew.
3. A rat trap is a type of trap used to catch and kill rodents with jaws and bars.
4. It does not cause plant diseases.

Explanation of the incorrect options:

Option B :

Nematodes cause disease in plants by attacking roots, stems, foliage, and flowers of plants and show symptoms like yellowing, stunting, and wilting.

Option C:

Fungal diseases include powdery mildew, fusarium rots, rusts, Rhizoctonia rots, and anthracnose.

Option D:

Bacterial diseases in plants include necrosis, vascular wilt, tumors, and soft rots.

Final answer: Rat traps do not cause disease in plants.