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After fertilization, while ovule develops into seed, wall structure develops from the
(a) Nucellus
(b) Integuments
(c) Chalaza
(d) Funicle -
Cells which lack the capability of dividing again are called
(a) Unipotent cells
(b) Undifferentiated cells
(c) Totipotent cells
(d) Differentiated cells -
The innermost layer of anther is known as
(a) Endothecium
(b) Tapetum
(c) Epidermis
(d) Stomium -
Amphimixis refers to
(a) Production of alkaloids
(b) Cross-fertilization
(c) Induction or somaclonal variation
(d) Normal sexual reproduction -
In coconut, the edible portion represents the
(a) Seed coat
(b) Mesocarp
(c) Endocarp
(d) None of these -
Ruminate endosperm is commonly found in seeds of
(a) Cotton
(b) Mango
(c) Sugarcane
(d) Areca nut -
Proteinaceous endosperm of maize is called
(a) Aleurone layer
(b) Scutellum
(c) Apophysis
(d) None of the above -
Totipotent cell refers to
(a) Undifferentiated cell capable of developing into an organ
(b) Undifferentiated cell capable of developing into a system or entire plant
(c) Vegetative cell of pollen
(d) Generative cell of pollen -
Which of the following is not a method of asexual reproduction?
(a) Cutting
(b) Grafting
(c) Conjugation
(d) Layering -
Granular thick brown covering is adherent to the kernel around the endosperm of
(a) Cotton
(b) Mango
(c) Sugarcane
(d) Coconut -
Seed cavity develops from
(a) Embryo
(b) Ovule
(c) Embryo sac
(d) None of these -
Embryo develops from
(a) Protoplast
(b) Zygote
(c) Endosperm
(d) Embryo sac -
Water of coconut is
(a) Liquid nucellus
(b) Liquid endosperm
(c) Liquid mesocarp
(d) Liquid embryo -
A clone is a group of individuals obtained through
(a) Heredity
(b) Hybridization
(c) Vegetative propagation
(d) Self-pollination -
After culturing the anther of a plant, a few diploid plants were found along with haploid plants. The diploid plants could have arisen from the
(a) Vegetative cell of pollen
(b) Generative cell of pollen
(c) Cells of anther wall
(d) Vegetative cell of embryo sac
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