Multiple Choice QuestionsWhich one of the following fruits is parthenocarpic?
Brinjal
Apple
Jackfruit
Jackfruit
Male gametophyte in angiosperms produces
Two sperms and a vegetative cell
Single sperm and a vegetative cell
Single sperm and a two vegetative cells
Single sperm and a two vegetative cells
Geitonogamy involves
Fertilisation of a flower by the pollen from another flower of the same plant
Fertilisation of a flower by the pollen from the same flower
Fertilisation of a flower by the pollen from a flower of another plant in the same population
Fertilisation of a flower by the pollen from a flower of another plant in the same population
Pollen tablets are available in the market for
In vitro fertilisation
breeding programmes
supplementing food
supplementing food
Function of filiform apparatus is to
recognise the suitable pollen at the stigma
stimulate the division of generative cell
produce nectar
produce nectar
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
cuticle
sporopollenin
lignin
lignin
Even in absence of pollinating agents seed-setting is assured in
Commellina
Zostera
Salvia
Salvia
Assisted reproductive technology, IVF involves transfer of
ovum into the Fallopian tube
zygote into the Fallopian tube
zygote into the uterus
zygote into the uterus
B.
zygote into the Fallopian tube
In vitro fertilisation is a process in which an egg is fertilised by sperm outside the women's womb. IVF is a major treatment for infertility. The process involves hormonally controlled ovulatory process, removing ova from the woman's ovaries and letting sperm fertilise them in a fluid medium.
The zygote or the embryo up to 8- celled stage in then transferred into the patient's Fallopian tube with the zygote is more than 8 blastomere stage, it is placed directly into the uterus.
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