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WorksheetsDouble Fertilization
Total questions: 10
Worksheet time: 7mins
In flowering plants, pollen is released from the
Stigma
Anther
Pollen tube
Carpel
A typical angiosperm embryo sac at maturity is eight nuclei with
Seven cells
Single cell
Four cells
Eight cells
Endosperm is formed during the double fertilization by
ovum and male gamete
two polar nuclei and one male gamete
one polar nuclei and one male gamete
two polar nuclei and two male gamete
Which statement is FALSE about dicotyledons seed
Epicotyl is a portion above and hypocotyl is a portion below embryonic axis
Plumule is the embryonic shoot and radicle is the embryonic root
Common bean has fleshy cotyledon store food absorbed from endosperm before the seed germinates
Maize has scutellum
Which cell is diploid
Sporocyte
Spores
Gametophyte
Gametes
Which cell are the results of formation of male gamete
2 generative cell
tube cell
egg
antipodal cells
synergids
Name the sac which develops into pollen grains
(a)
In female gamete formation how many degenerated megaspores occur?
(a)
Which cell occurs in female reproduction
Which is the entry of sperm?
above
below
right
left
