Match List I with List II 
Choose the correct answer from the options given below:
Step 1: Understanding the Question:
This question tests knowledge of plant movements and their definitions.
Step 2: Detailed Explanation:
Phototropism (A): Bending towards light (III).
Geotropism (B): Bending towards soil (I) (roots show positive geotropism).
Thigmotropism (C): Touch me not (IV) (response to touch).
Photoperiodism (D): Response to day length (II) (flowering).
Thus, the correct matching is A-III, B-I, C-IV, D-II.
Step 3: Final Answer:
Thus, the correct answer is A-III, B-I, C-IV, D-II, which corresponds to option (D).
| Chemical | Used as |
| (A) Thiophanate-methyl | (I) Weedicide |
| (B) Atrazine | (II) Insecticide |
| (C) Fenamiphos | (III) Fungicide |
| (D) Afidopyropen | (IV) Nematicide |
