Double fertilization was discovered by
Karl Schnarf
P. Maheshwari
S.G. Nawaschin
B.G.L. Swamy
(c)Double fertilization was discovered by Nawaschin, $(1898)$ in Fritillaria and Lilium.
identify different ovules of diagrams $A$ to $F$
When vegetative cell of zygote form embryo, it is called
A close relation between flower and pollinating agent is best exhibited by
Functional megaspore in an angiosperm develops into an
Stem cutting are commonly used for the propagation of
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