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The vascular bundlies in the stems of se...

The vascular bundlies in the stems of several dicots are conjoint, collateral, and open. In each of these bundles,

A

Xylem and pholem are on the same radius with pholem towards the pitch and xylem towards the pericycle without a strip of cambium between them

B

Xylem and pholem are on the same radius with xylem situated towards the pericycle and a strip of cambium separates the two

C

Xylem completely surrounds the phloem on all sides but the two are separated by the cambium.

D

Phloem completely surrounds the xylem and a strip of cambium separates the two

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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
  1. Memebers of Winteracae, Tetracentraceae and trochodendraceae

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

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

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  4. Which is not true for monocot stem ?

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

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  6. Select a set having correct match

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

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  8. Vascular cambium is a meristematic layer that cuts off

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

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  10. What is the position of oldest secondary phloem ?

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  11. In a mature dicot stem which has undergone seconday growth, youngest l...

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  12. (A) heart wood is durable, dark and central in position. (B) Tyloses...

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  13. Secondary growth in extrasteler region is due to activity of

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  14. Seasonal activity of vascular cambium is influenced by many factors, e...

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  15. When secondary growth is initiated in dicot stem, what will happen fir...

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  16. All given tissues are formed as a result of redifferentiation process,...

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  17. Vascular cambium of dicot root is purely secondary in origin and airse...

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  18. Select wrong statement regarding secondary phloem

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  19. Vascualr bundles in dicot leaves are

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  20. Lenticles are formed due to rupture in epidermis because of pressure e...

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