Match List I with List II and choose the correct match.

List – I

List – II
A)
Formed from phellogen towards the periphery
i)
Secondary medullary rays
B)
Formed from vascular cambium towards the center as well as periphery.
ii)
Phelloderm
C)
Formed from vascular cambium towards the center.
iii)
Annual rings
D)
Formed from cork cambium towards the center
iv)
Complementary cells

	List – I		List – II
A)	Formed from phellogen towards the periphery	i)	Secondary medullary rays
B)	Formed from vascular cambium towards the center as well as periphery.	ii)	Phelloderm
C)	Formed from vascular cambium towards the center.	iii)	Annual rings
D)	Formed from cork cambium towards the center	iv)	Complementary cells

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A - iv, B - i, C - iii, D - ii

A - iv, B - i, C - ii, D - iii

A - iv, B - iii, C - i, D - ii

A - iv, B - ii, C - iii, D - i

answer is A.

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Detailed Solution

Vascular cambium forms secondary medullary rays towards the periphery as well as towards the center and annual rings (secondary xylem) only towards the center. Cork cambium of phellogen forms complementary cells of cork towards the periphery and phelloderm of secondary cortex towards the center.

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