Which is not true for dicot root _____________.

Less developed pith or absent

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Secondary growth

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Both

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15 - 20

vascular bundles

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Solution

The correct option is D $15 - 20$ vascular bundles
In dicot root vascular bundles are 2 to 6 in number and radial.
Hence, the answer that is not true for dicot is presence of 15-20 vascular bundles.
So, the correct answer is '15-20 vascular bundles'

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Similar questions

	Characters	Monocot root	Dicot root
(i)	Vascular bundle	Polyarch i.e., more than $6$ vascular bundles	Diarch to hexarch i.e., $2 - 6$ vascular bundles
(ii)	Cambium	Absent	Present, so secondary growth occurs
(iii)	Pith	Poorly developed	Well developed large pith
(iv)	Activity of pericycle	Gives rise to secondary roots and cork cambium	Gives rise to lateral roots only

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