A) effect of pollen on stem
B) effect of pollen on taste of fruit
C) effect of pollen on vascular tissue
D) effect of pollen on endosperm
Correct Answer: D
Solution :
Xenia is the effect of pollen on endosperm. It was discovered by Focke (1881). Metaxenia is the effect of pollen on tissue outside endosperm. It was studied by Swingle (1926) in date palm.
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