Conjoint open vascular bundles are present in

(A) stem of dicots only

(B) stem of dicots and gymnosperms

(C) stem of monocots and gymnosperms

(D) stem of monocots only

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In conjoint bicollateral and open vascular bundle there are _____________strips of cambium in which ___________is functional.

(A)two,inner

(B) two, outer

(C) one, inner

(D) one, outer

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The outermost layer of the root is

(A)epidermis

(B) endodermis

(C) hypodermis

(D) dermis

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Root hairs arise from__________

(A)epidermis

(B) endodermis

(C) pericycle

(D) cortex

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Root hairs are ____________ and formed from __________zone of root.

(A)unicellular, maturation

(B)multicellular, elongation

(C)multicellular, maturation

(D) unicellular, elongation

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Epidermis of root is also known as

(A)epiblema

(B)piliferous layer

(C) Rhizodermis

(D) All of the above 

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Cortex consists of

(A) parenchymal cells with intracellular spaces

(B)parenchymal cells with intercellular spaces

(C)collenchymal cells with intracellular spaces

(D)collenchymal cells with intercellular spaces

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The innermost layer of the cortex is called

(A)pericycle

(B) endodermis

(C) vascular bundle

(D) epidermis

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Endodermis  comprises of  ____________layer of ____________shaped cells.

(A)single, oval

(B)single, barrel

(C) multi, round

(D) single, round

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Casparian strips are present in

(A)endodermis

(B)epidermis

(C) pericycle

(D) cortex

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