A) (A) and (R) are true and (R) is correct explanation of
B) (A) and (R) are true but (R) is not correct explanation of
C) (A) is true but (R) is false
D) (A) is false but (R) is true
Correct Answer: D
Solution :
Apical dominance is the phenomenon by which presence of apical bud does not allow the nearby lateral buds to grow. The dominance is controlled by the presence of high concentration of plant hormones (auxins) at the apex. When the apical bud is removed, the lateral buds sprout. However, if a paste of auxin is painted on the cut end of the decapitated shoot, the lateral buds remain inhibited,as if the apical bud is present.
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