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NEET Questions / Botany / Sexual Reproduction in Flowering Plants
The male gametes in angiosperms are formed inside the:
Ovule
Ovary
Pollen grain
Stigma
Which of these is NOT directly involved in gametogenesis?
Mitosis
Meiosis
Seed dispersal
Differentiation
The female gametophyte in angiosperms is also known as the:
Nucellus
Embryo sac
Pollen grain
Endosperm
During double fertilization in angiosperms, one sperm fuses with the egg cell, and the other sperm fuses with:
Synergids
Antipodal cells
Central cell
Integuments
The ploidy level of the endosperm formed after double fertilization is:
Haploid (n)
Diploid (2n)
Triploid (3n)
Tetraploid (4n)
Which structure guides the pollen tube towards the egg apparatus?
Antipodal cells
Polar nuclei
Synergids
Integuments
What is the product of the fusion of one male gamete with the egg cell during double fertilization?
Endosperm
Embryo sac
Zygote
Seed coat
Double fertilization ensures that the development of the endosperm is dependent on:
The fertilization of the egg.
The availability of water.
The formation of the seed coat.
The dispersal of pollen.
How many nuclei are involved in the fusion process during double fertilization?
2
3
5
7
Which of the following statements is INCORRECT regarding apomixis?
It is a form of asexual reproduction.
It bypasses meiosis and fertilization.
It leads to clonal propagation of plants.
It always involves the formation of diploid embryos.