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NEET Questions / Botany / Sexual Reproduction in Flowering Plants
The triploid nutritive tissue that develops within the seed after fertilization is called the:
Embryo
Zygote
Endosperm
Integument
In angiosperms, after fertilization, what structures within the embryo sac represent the haploid, diploid, and triploid stages, respectively?
Synergids, zygote, primary endosperm nucleus
Antipodals, zygote, endosperm
Polar nuclei, embryo, endosperm
Egg cell, zygote, antipodals
Which of the following correctly identifies a haploid, diploid, and triploid structure, respectively, within a fertilized angiosperm embryo sac?
Egg, zygote, endosperm
Degenerating synergids, zygote, primary endosperm cell
Polar nuclei, embryo, endosperm
Antipodal cells, embryo, zygote
In an angiosperm embryo sac, the ploidy level of the zygote, the primary endosperm nucleus, and a synergid (post-fertilization) are, respectively:
n, 2n, 3n
2n, 3n, n
3n, 2n, n
n, 3n, 2n
Following double fertilization in angiosperms, the endosperm develops from the _____, which is _____.
zygote; diploid
primary endosperm cell; triploid
synergid; haploid
antipodal cell; haploid
In embryo sac, , 2, 3, conditions are found respectively in
Egg, antipodal, endosperm
Nucleus, endosperm, egg
Antipodal, zygote, endosperm
Endosperm, nucleus, egg
Genotype of endosperm is ZZA, find out the genotype of male and female plant respectively
ZZ and AA
ZA and ZA
ZZ and A_
AA and ZZ