Chemical coordination in plants — Biology STD 10 — Question
ICSE BoardEnglish MediumSTD 10BiologyChemical coordination in plants1 Mark
MCQ
The full form of PGR is:
A
Plant growth region
✓
Plant growth regulator
C
Plant growth response
D
Plant growth remains
✓
Answer
Correct option: B.
Plant growth regulator
(b) Plant growth regulator Explanation: Plant growth regulators (PGRs) are organic compounds, other than nutrients, that affect physiological processes of plants when applied in small concentrations.
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