A researcher observes a developing seed and notices that the cells of the endosperm are undergoing programmed cell death. This process is MOST likely associated with which stage of seed development?
Early embryogenesis
Histodifferentiation
Maturation
Germination
Related Questions
Following double fertilization in angiosperms, the endosperm develops from the _____, which is _____.
zygote; diploid
primary endosperm cell; triploid
synergid; haploid
antipodal cell; haploid
Which process is NOT associated with the production of gametes?
Meiosis I
Meiosis II
Mitosis
Formation of haploid cells
In some seeds, the nucellus persists and is called:
Integument
Perisperm
Micropyle
Hilum
An angiospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm will be
16
24
12
8
What is the ploidy of the endosperm in a typical angiosperm?
Haploid (n)
Diploid (2n)
Triploid (3n)
Tetraploid (4n)
Which structure in a flowering plant develops into the seed after fertilization?
Ovary
Ovule
Stigma
Style
For a gene if AA = male plant, BB = female plant. Find out the genotype of endosperm and embryo
AAB, BBA
AAB, AB
ABB, AB
BBA, AAB
False fruit is a fruit in which
Only ovary take part in fruit development
Only embryo take part an fruit development
Only chalazal cells take part an fruit development
Ovary and other floral part included in fruit formation
The plant part which consists of two generations one within the other, is
Germinated pollen grain
Embryo
Unfertilized ovule
Seed
Occurrence of more than four spores from a spore mother cell is called
Polysiphony
Polyspermy
Polyspory
Polyembryony