Xenia and metaxenia terms are related with
pollen culture
xylem and phloem
endosperm
embryo
C.
endosperm
The direct or indirect effect of male parent (pollen grain) on structures inside embryo sac except embryo is knoqn as xenia.
Metaxenia may be defined as the effect of pollen on the seed coat or pericarp lying outside the embryo sac.
Introduction of foreign genes for improving genotype is
biotechnology
vernalization
tissue culture
genetic engineering
Pure line breed refers to
heterozygosity only
heterozygosity and linkage
homozygosity only
homozygosity and self assortment
Adults of Wuchereria bancrofti attacks
excretory system
nervous system
digestive system
lymphatic system
If a homozygous red flowered plant is crossed with a homozygous white flowered plant, the offspring would be
half red-flowered
all red-flowered
half white-flowered
half pink-flowered.
When the filament runs throughout the length of anther, it is called
adnate
dorsi fixed
versatile
syngenesious
