(D) $Xenia$ refers to the direct effect of pollen grains on the tissues of the seed,specifically the endosperm,outside the embryo. $Metaxenia$ refers

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(D) $Xenia$ refers to the direct effect of pollen grains on the tissues of the seed,specifically the endosperm,outside the embryo. $Metaxenia$ refers to the effect of pollen grains on the maternal tissues of the fruit,such as the $testa$ and fruit wall. $Maize$ is a classic example of $Xenia$,while $Date$ $palm$ is a well-known example of $Metaxenia$.

Class 12 Biology Sexual Reproduction in Flowering Plants Mix Examples-Sexual Reproduction in Flowering Plants

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The terms $Xenia$ and $Metaxenia$ are related to:

AIIMS 2002 All AIIMS

A
Pollen culture
B
Only endosperm
C
Xylem and phloem
D
Pollen and endosperm

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Sexual Reproduction in Flowering Plants

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Mix Examples-Sexual Reproduction in Flowering Plants

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AIIMS 2002 Paper All AIIMS years →

In which of the following organisms is internal fertilization observed?

Easy

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Match the following:
Column-$I$ Column-$II$
$(p)$ Intine $(v)$ Long structure
$(q)$ Exine $(w)$ Nutrition to pollen grain
$(r)$ Pollen tube $(x)$ Sporopollenin
$(s)$ Tapetum $(y)$ Pectin,cellulose
$(z)$ Glycogen

Medium

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In some members of which of the following pairs of families,pollen grains retain their viability for months after release?

MediumNEET 2021

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Identify the odd one out.

Medium

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In $Agave$ (Century plant),vegetative propagation occurs through which of the following?

EasyAIPMT 1991

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Column-$I$	Column-$II$
$(p)$ Intine	$(v)$ Long structure
$(q)$ Exine	$(w)$ Nutrition to pollen grain
$(r)$ Pollen tube	$(x)$ Sporopollenin
$(s)$ Tapetum	$(y)$ Pectin,cellulose
	$(z)$ Glycogen

The terms $Xenia$ and $Metaxenia$ are related to:

Similar Questions

In which of the following organisms is internal fertilization observed?

Match the following:Column-$I$Column-$II$$(p)$ Intine$(v)$ Long structure$(q)$ Exine$(w)$ Nutrition to pollen grain$(r)$ Pollen tube$(x)$ Sporopollenin$(s)$ Tapetum$(y)$ Pectin,cellulose $(z)$ Glycogen

In some members of which of the following pairs of families,pollen grains retain their viability for months after release?

Identify the odd one out.

In $Agave$ (Century plant),vegetative propagation occurs through which of the following?

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Exam Paper Generator

Online Exam Module

Match the following:
Column-$I$ Column-$II$
$(p)$ Intine $(v)$ Long structure
$(q)$ Exine $(w)$ Nutrition to pollen grain
$(r)$ Pollen tube $(x)$ Sporopollenin
$(s)$ Tapetum $(y)$ Pectin,cellulose
$(z)$ Glycogen