How do the common weedicides act?
A. Interfere with respiration
B. Interfere with photosynthesis
C. Defence mechanism is destroyed
D. Causes wilting
Answer: Option B
Solution(By Examveda Team)
The common weedicides act by Interfering with photosynthesis.weedicides inhibit photosynthesis by binding to D1 proteins of the photosystem II complex in chloroplast thylakoid membranes.
Chemical substance binding at this protein blocks electron transport and stops CO2 fixation and production of energy needed for plant growth.
This Question Belongs to Agriculture >> Plant Pathology
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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