A) endosperm
B) stems
C) taste of fruits
D) vascular tissue
Correct Answer: A
Solution :
Focke (1C81) introduced the term xenia for direct effect of pollen grains on the tissues surrounding the embryo. But now this term strictly using for the direct effect of pollen grains on the colour appearance or endosperm, e.g., Species of Zea mays have two types, yellow and white coloured endosperm.
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