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Which wood conduct sap -...

Which wood conduct sap -

A

Heart wood

B

Sap wood

C

Wood with lots of fibres and tyloses

D

All of the above

Text Solution

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The correct Answer is:
B
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ALLEN-STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS)-Exercise-I (Primary Internal Structure to Secondary Growth)
  1. Sugar trnsport elements of gymnosperms and pteridophytes are

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  2. When protoxylem faces pericycle, it is called

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  3. Which wood conduct sap -

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  4. Phylloclade is found in

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  5. dendrochronology is the study of

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  6. A timber merchant told his customer that log of wood which he was purc...

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  7. Growth rings are generally well marked in trees growing in

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  8. In trees, the annual rings represent

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  9. Annual rings are the bands of

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  10. Growth rings are formed due to activity of

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  11. As a tree grows older, which of the following increases more rapidly i...

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  12. lenticels do not occur on

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  13. External protective tissues of plants or dicot stem are

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  14. Which of the following provide maximum mechanical strength to a tree t...

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

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  16. Extra stelar secondary growth occurs due to the activity of

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  17. Living tissue in lenticel is called

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  18. Normally secondary growth takes place in -

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  19. Select true statements :- (a) Lenticels are absent in woody climbers...

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  20. Formation of which tissue is example of dedifferentation

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