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In Polyalthia longifolia, the stem is ……...

In Polyalthia longifolia, the stem is ………………………….

A

decurrent

B

caudex

C

excurrent

D

culm

Text Solution

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The correct Answer is:
C
excurrent
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In Nymphaea the stem is a _____

Assertion (A) : Stem of the grass is soft and stem of the neem is hard. Reason (R ) : Grass is monocot, there is no secondary growth. So, its stem is soft whereas neem is dicot, and there is secondary growth so the stem is very hard and woody .

Stem elongation affected by:

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What is an excurrent stem?

FULL MARKS-VEGETATIVE MORPHOLOGY-ADDITIONAL QUESTIONS SOLVED (I. Multiple Choice Questions)
  1. ………………… plants produce foliar buds.

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  2. Radical buds develop from ………………………

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  3. In Polyalthia longifolia, the stem is ………………………….

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  4. Which of the following is not a creeper?

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  5. Clockwise coiling climbers are called ……………………………..

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  6. In Artabotrys, …………………….. is modified into hook.

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  7. ……………………………… are woody stem climbers.

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  8. …………………….. is a characteristie adaptation of xerophytes.

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  9. Flattened cladode is present in ………………………

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  10. Musa is an example for ………………………

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  11. Eichhornia exhibit ……………………… type of stem modification.

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  12. Underground stems are generally called as ………………………

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  13. Which is not a charaeter of root stock ?

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  14. Which is an example for compound tunicated bulb ?

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  15. ……………………… is a pseudobulb.

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  16. ……………………… is a horizontally growing underground stem.

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  17. All the leaves of a plant together called as ………………………

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  18. Which is not a primary function of leaf ?

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  19. Lamina of leaf is called as ……………………

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  20. Swollen, broad leaf base is called as ……………………

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