When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
AWater from soil cannot rise to aerial parts
BRoots are starved of energy
CTree is infected by soil microbes
DRoots do not receive oxygen for respiration
Answer & Solution
Correct answer: A. Water from soil cannot rise to aerial parts
UPSC CSE Prelims 2011 (GS-I, Set A), Q.18. Official answer key: A.
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