Screlenchymatous fibres are

(A) thick walled, elongated and pointed cells

(B)contains simple and bordered pits

(C)smallest  cells in plant body

(D)All of these

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Complex tissues are

(A)heterogenous

(B)absent in gametophytes

(C)known as vascular tissues

(D)All of these

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How many elements of the xylem are dead

(A)4

(B)3

(C)2

(D)1

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Which one is true regarding xylem?

(A)vessels are absent in gymnosperms

(B)cells of vessel are called vessel members

(C)tracheid and vessel lack protoplasm

(D)All of these

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The elements of xylem which does food storage is

(A)tracheids

(B)vessels

(C)xylem parenchyma

(D) xylem fibres

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In angiosperms, the main water transporting elements are

(A)tracheids

(B)vessels

(C)Both A and B

(D)tracheids, vessels, xylem fibres, xylem parenchyma

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The first fomed primary xylem elements are__________and later formed is _____________

(A)protoxylem , metaxylem

(B)metaxylem , protoxylem

(C)tracheids, vessels

(D)Both B and C

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The type of primary xylem when protoxylem lies towards the pith is known as

(A)endarch

(B)exarch

(C)endoexarch

(D)Both A and C

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Phloem in angiosperms is composed of

(A)sieve tube elements, companion cells, phloem parenchyma, phloem fibres

(B)sieve cells, companion cells, phloem parenchyma, phloem fibres

(C)albuminous cells, companion cells, phloem parenchyma, phloem fibres

(D)Both A and B

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Gymnosperms have

(A)albuminous cells

(B)sieve cells

(C)Both A and B

(D) comapanion cells

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