STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
$2, 4-D$ is a
A
Insecticide
✓
Weedicide
C
Nematicide
D
Rodenticide
✓
Answer
Correct option: B.
Weedicide
b (b) $2, 4-D$ is a selective weedkiller. It is highly toxic to broad-leaved plants. It increases carbohydrate metabolism to such an extent that the plants burn themselves to death in dicots.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.