Find set of cells connected by pit field...

Find set of cells connected by pit fields between their common longitudinal walls

Composition cell and pholem fibres

Companion cell and sieve tube

Sieve cell and albuminous cell

Sieve tube and pholem fibre

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The specialised parenchyma cells closedly associated with sieve tube elements are A. Having peripheral cytoplasm and large central vacuole but without nucleus. B. Controls function of sieve tube elements C. Absent in most monocots. D. Connected by pit fields present between their common longitudinal walls.

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AAKASH INSTITUTE-ANATOMY OF FLOWERING PLANTS -ASSIGNMENT SECTION B Objective Type Questions

Main wate-condicuting element of xylem in homoxylous plants is
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In trees, death of protoplasts is essential for a vital function such ...
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Find set of cells connected by pit fields between their common longitu...
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In old sieve tubes at the end of growing season, which of the followin...
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Parenchymatous structure with intercellular spaces is
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Select correct features w.r.t. trichomes in shoot system Usually uni...
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The pericycle of roots is never sclerenchymatous because it
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Tissue commonly known as passport point or biological check post is ch...
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Seat of origin of lateral root and formation of cork cambium are featu...
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Centripetal and centrifugal xylems are important features of
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Memebers of Winteracae, Tetracentraceae and trochodendraceae
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Which of the following vascualr bundles are always open?
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The vascular bundlies in the stems of several dicots are conjoint, col...
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Which is not true for monocot stem ?
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Vascular bundles are conjoint, collateral, endarch and lack cambium be...
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Select a set having correct match
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Monocot stem differs from dicot stem in having
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Vascular cambium is a meristematic layer that cuts off
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Derivatives of the secondary meristem in the steler region are
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What is the position of oldest secondary phloem ?
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