Sexual Reproduction in Flowering Plants Question 109
109. Adventive polyembryony in citrus is due to
(a) nucellus
(b) integuments
(c) zygotic embryo
(d) fertilised egg
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Answer : a
Hints & Solutions
(a) The embryos arising from the maternal sporophyte tissues are called adventive embryos. In polyembryonate species the adventive embryo arises by the proliferation of the nucellus cells.