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6.Anatomy of Flowering Plants
medium
Given below are two statements : One is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$ : Late wood has fewer xylary elements with narrow vessels.
Reason $R$ : Cambium is less active in winters.
In the light of the above statements, choose the correct answer from the options given below :
A
$A$ is false but $R$ is true
B
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
C
Both $A$ and $R$ are true but $R$ is NOT the correct explanation of $A$
D
$A$ is true but $R$ is false
(NEET-2023)
Solution
In winter, the cambium is less active and forms fewer xylary elements that have narrow vessels, and this wood is called autumn wood or late wood.
Standard 11
Biology