JKBOSE CLASS 12TH BIOLOGY IMPORTANT MCQ,S from Reproduction in Organisms and Sexual Reproduction in Flowering Plants
____________is not a method of vegetative propagation
Grafting
Cutting
Lytic cycle
Layering
___________ refers to an asexual reproduction process wherein genetically identical copies of individual plants are produced
Layering
Binary fission
Clonal Propagation
None of the above
…….. shows totipotency.
Xylem
Meristem
Cork
All of the above
The property of an undifferentiated cell that has the potential to develop into an entire plant is called
Budding
Cloning
Subpotency
Totipotency
The development of root and shoot in tissue culture is determined by __
Temperature
Nutrients
Auxin and cytokinin ratio
None of the above
Flowers with both androecium and gynoecium are called. Bisexua flowers.
Anther
Stamens
Unisexual flowers
The transfer of pollen from the anther to stigma is called
Pollination
Fertilization
Adoption
Diffusion
Also read: Pollination
The fusion of female reproductive nucleus with the male reproductive nucleus is known as
Adoption
Excretion
Fertilization
Regeneration
The two nuclei at the end of the pollen tube are called
Tube nucleus and a generative nucleus
Sperm and ovum
Generative nucleus and stigma
Tube nucleus and sperm
Generative nucleus divides forming
2male nuclei
3male nuclei
2female nuclei
3female nuclei
Embryo sac is located inside the
Stigma
Ovule
Micropyle
Style
Also read: How is an Embryo-sac formed?
One nucleus of the pollen tube and secondary nucleus of the ovum grow into
Stigma
Endosperm
Anther
Stamen
The stalk of Datura flower at its base is known as
Pedicel
Corolla
Sepals
Thalamus
The male reproductive parts of a flower, the stamens, are collectively known as
Androecium
Filament
Anther
Gynoecium
The other name for gynoecium is
Pistil
Stigma
Androecium
Style
Also read: Pollen-pistil interaction
Answer keys 👇
3
3
2
4
3
1
1
3
1
1
2
2
1
1
1
