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
Related Questions
If stock contains 58 chromosomes and scion contains 30 chromosomes,
Then how many chromosomes are present in root and egg cell of resultant plant respectively?
30 and 29
15 and 58
58 and 15
29 and 30
Ovule integument gets transformed into
Seed
Fruit wall
Seed coat
Cotyledons
The role of the endosperm is to:
Protect the embryo
Form the seed coat
Develop into the fruit
Provide nutrition to the developing embryo
Testa of a seed is produced from
Ovary wall
Hilum
Outer integument of ovule
Funicle
Seeds of the orchids are?
minute and sticky
light and dry
large and heavy
none of these
Emasculation is?
pollination between flowers of different plants
pollination between flowers of the same plants
removal of the anthers from the flower bud
artificial pollination
The process of embryo formation without fertilization, is known as
Apospory
Apogamy
Parthenocarpy
Polyembryony
Formation of diploid embryo sac from diploid vegetative structure, eg, nucellus or integument, etc, without meiosis is called
Apospory
Apomixis
Diplospory
Adventive polyembryony
Pollination is essential for: I. Seed formation II. Fruit development in all plants III. Genetic variation in cross-pollinating species IV. Transfer of pollen from anther to stigma
I and II only
II and III only
I, III, and IV only
I, II, III, and IV
