Double fertilization and triple was discovered by
Hofmeister
Nawaschin and Guignard
Leeuwenhoek
Strasburger
Development of an organism from female gamete/
adventitive embryo
polyembryony
parthenocarpy
parthenogenesis
Cellular totipotency was demonstrated by
Theodore Schwann
A.V.Leeuwenhoek
EC.Steward
Robert Hooke
Point out the odd one
nucellus
embryo sac
mycropyle
pollen grain
A diploid female plant and a tetraploid male plant arc crossed. The ploidy of endosperm shall be
tetraploid
triploid
diploid
pentaploid
Total number of meiotic division required for
100
75
125
50
Which ones produce androgenic haploids in anther cultures?.
anther wall
tapetal layer of anther wall
connective tissue
young pollen grains
Female gametophyte of angiosperms is represented by
ovule
megaspore mother cell
Sperm and egg nuclei fuse due to
base pairing of their DNA and RNA
formation of hydrogen bonds
mutual attraction due to differences in electrical charges
attraction of their protoplasts
Pollination occurs in
bryophytes and angiosperms
pteridophytes and angiosperms
angiospernis and gymnosperms
angiosperms and fungi
