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In trees, death of protoplasts is essent...

In trees, death of protoplasts is essential for a vital function such as

A

Food transport

B

Water transport

C

Both (1) and (2)

D

Stomatal movements

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-ANATOMY OF FLOWERING PLANTS -ASSIGNMENT SECTION B Objective Type Questions
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  2. Main wate-condicuting element of xylem in homoxylous plants is

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  3. In trees, death of protoplasts is essential for a vital function such ...

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

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

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  6. Parenchymatous structure with intercellular spaces is

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  7. Select correct features w.r.t. trichomes in shoot system Usually uni...

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  8. The pericycle of roots is never sclerenchymatous because it

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  9. Tissue commonly known as passport point or biological check post is ch...

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

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  11. Centripetal and centrifugal xylems are important features of

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  12. Memebers of Winteracae, Tetracentraceae and trochodendraceae

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

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

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  15. Which is not true for monocot stem ?

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

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  17. Select a set having correct match

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  18. Monocot stem differs from dicot stem in having

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  19. Vascular cambium is a meristematic layer that cuts off

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

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