Which of the following is NOT a pre-fertilization event?
Gametogenesis
Pollination
Gamete transfer
Embryogenesis
Related Questions
Ovary with many ovules are found in?
wheat
papaya
ground nut
pea
The process of formation of microspores I. From pollen mother cell through …A… formed …B… II. Microspore are arranged in …C… III. Microspore changes into the …D… A to D in the above statements are
A-Pollen grains, B-Microspore tetrad, C-Microsporogenesis, D-Meiosis
A- Microspore tetrad, B- Microsporogenesis, C-Meiosis, D- Pollen grains
A- Microsporogenesis, B- Microspore tetrad, C- Pollen grains, D- Meiosis
A- Meiosis, B- Microspore, C- Microspore tetrad, D- Pollen grains
Assertion: Dioecious plants cannot undergo autogamy.
Reason: Dioecious plants have separate male and female individuals.
Choose the correct option:
Both assertion and reason are true, and the reason is the correct explanation for the assertion.
Both assertion and reason are true, but the reason is not the correct explanation for the assertion.
Assertion is true, but reason is false.
Assertion is false, but reason is true.
In wind pollination the pollens are feathery, whether it is
TRUE
FALSE
Sometimes (a) and sometimes (b)
Neither (a) nor (b)
Embryo sac of angiosperms
Has 3 synergids and 2 anitpodal cells
Has three celled egg apparatus
Is 8 celled and 7 nucleate structure
Has three antipodal cells at micropylar end
Flowers with only male reproductive organs are known as?
Hermaphrodite flowers
Pistilate flowers
Staminate flowers
Bisexual flowers
Water pollinated plant is
All of these
Wind pollination is common in?
legumes
lilies
grasses
orchids
A bisexual flower which never open, is known as
Autogamous
Cleistogamous
Homogamous
Allogamous
Wind pollinated flower have long well exposed stigma. This statement is
TRUE
FALSE
Sometimes (a) and sometimes (b)
Neither (a) nor (b)
