Caruncle of albuminous dicot seed is derived from
Embryo
Peduncle
Cotyledon
Integument
Chalazogamy is the characteristic of
Betula
Casuarina
Cucurbita
Both '1' and '2'
Anemophillous flowers have
Sessile stigma
Small and smooth stigma
Coloured flower
Large and feathery stigma
When a microspore mother cell with 40 chromosomes, undergoes meiosis, then each of the resulting cell will have
10 chromosomes
20 chromosomes
30 chromosomes
40 chromosomes
What is meant by double fertilization ?
Formation of two zygotes
Fusion between egg and male gamete
Fusion between secondary nucleus and male gamete
Both '2' and '3'
The development of plant by the process of tissue culture, is called
Propagation
Micrografting
Micropropagation
None of these
The main characteristic of anemophillous flower is
Large, odourless with nectar
Large, odourless without nectar
Small, odourless with nectar
Small, odourless without nectar
When an ovary develops into a fruit, without fertilization, it is called
Apospory
Apogamy
Porogamy
Parthenocarpy
To get haploid callus, we should culture
Stigma
Leaf tissue
Pollen grain
The pollen tube usually enters the embryo sac
Through one of the synergids
By directly penetrating the egg
By knocking off the antipodal cells
Between one synergid and central cell
