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Find set of cells connected by pit field...

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

A

Composition cell and pholem fibres

B

Companion cell and sieve tube

C

Sieve cell and albuminous cell

D

Sieve tube and pholem fibre

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-ANATOMY OF FLOWERING PLANTS -ASSIGNMENT SECTION B Objective Type Questions
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  2. In trees, the death of protoplasm is essential for a vital function su...

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  3. Find set of cells connected by pit fields between their common longitu...

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  4. In old sieve tubes at the end of growing season, which of the followin...

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  5. Parenchymatous structure with intercellular spaces is

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  6. Select correct features w.r.t. trichomes in shoot system (a) Usually...

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  7. The pericycle of roots is never sclerenchymatous because it

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  8. Tissus commonly known as the passport point or biological check post i...

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  9. Seat of origin of lateral root and formation of cork cambium are featu...

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  10. Centripetal and centrifugal xylems are important features of (a) Root...

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  11. Memebers of Winteracae, Tetracentraceae and trochodendraceae

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  12. Which of the following vascualr bundles are always open?

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  13. The vascular bundlies in the stems of several dicots are conjoint, col...

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  14. Which is not true for monocot stem ?

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  15. Vascular bundles are conjoint, collateral, endarch and lack cambium be...

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  16. Select a set having correct match

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  17. State true or false. Monocot stem differs from dicot stem.

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  18. Vascular cambium is a meristematic layer that cuts off

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  19. Derivatives of the secondary meristem in the steler region are

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  20. What is the position of oldest secondary phloem ?

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