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Phloem of angiosperm is different from t...

Phloem of angiosperm is different from that of pteridophytes and gymnosperm in -

A

Absence of sieve tubes

B

Presence of endocytosis

C

Presence of companion cells

D

None of these

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The correct Answer is:
C
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PHYSICS WALLAH-ANATOMY OF FLOWERING PLANTS-LEVEL-II
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  2. Which of the following tissue provide tensile strength against bending...

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  3. Phloem of angiosperm is different from that of pteridophytes and gymno...

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  4. Which one of the following comprises only simple tissues?

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  5. T.S. of a Material exhibits conjoint collateral endarch and closed bun...

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  6. What is the characteristics of a vascular bundle of monocot stem -

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  7. A monocot root differs from dicot root in which of the following?

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  8. The trichomes may be branhed or unbranched and soft or stiff.They may ...

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  9. Match the columns and find out the correct combination:

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  10. In the isobilateral leaf

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  11. Polyarch and exarch vascular bundles are the characteristic of-

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  12. Which of the following is not true about 'selereids'?

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  13. In respect of many grasses, the presence of bulliform or motor cells i...

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  14. Spring wood (early wood) differs with autumn wood (late wood) in-

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  15. Select true statements :- (a) Lenticels are absent in climbers and l...

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  16. In dicot root which tissue becomes dead due to activity of phellogen

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  17. Match the following columns.

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  18. Common features between lenticles and hydathodes are

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  19. Secondary growth in dicots and gymnosperms occurs by

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  20. As a tree grows very old, which of the following increases more rapidl...

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