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Xenia and metaxenia terms are related wi...

Xenia and metaxenia terms are related with

A

Pollen culture

B

Only endosperm

C

Xylem and phloem

D

Pollen and endosperm

Text Solution

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The correct Answer is:
D
Xenia means direction effect of the pollen grains on the seeds and fruits, outside the embryo. Mexaxenia is the effect of pollen grain on the testa and fruit wall. Maize is the classical example of xenia and date palm is an example of metaxenia.
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  8. In which one of the following would you expect to find glyoxysomes

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  10. The given figure the self incompatibility the genotypes of embryo and ...

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  11. Considering the genetic basis of self incompatibility which of the fol...

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  12. Functional megaspore in an angiosperm develops into

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  13. Seedles fruit in banana is produced because of

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  14. Formation of fruits (Seed) without fertilization is known as or ovary ...

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  15. Parthenogesis is a term of or which one of the following generates new...

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  16. An example of a naturally occurring parthenocarpic fruit is

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  17. Seedles grapes are produced due to or Seedles fruits in Vits are forme...

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  18. Which plant will lose its economic value, if its fruits are produced b...

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  19. Which of the folowing is parthenocarpic fruits

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