Multiple Choice QuestionsWhich one of the following fruits is parthenocarpic?
Brinjal
Apple
Jackfruit
Jackfruit
D.
Jackfruit
Parthenocarpy is a process of developing fruits without involving fertilisation/seed formation. Therefore, the seedless varieties of economically important fruits like orange, banana, watermelon, lemon, etc. are produced using this technique. This technique involves inducing fruit formation by the application of plant growth hormones such as auxins.
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
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