Which part of the embryo develops into the shoot tip?
Radicle
Cotyledons
Plumule
Suspensor
Related Questions
Extrusion of second polar body from egg nucleus occurs:
after entry of sperm but before fertilization
After fertilization
before entry of sperm into ovum
simultaneously with first cleavage
Testa of a seed is produced from
Ovary wall
Hilum
Outer integument of ovule
Funicle
Which of the following is the result of double fertilization?
Cotyledon
Nucellus
Endosperm
None of these
Nuclear endosperm has
Every nuclear division followed by wall formation
Initially free-nuclear divisions followed by wall formation
First division followed by wall formation and other free nuclear
None of the above
Syngamy is the process in which
Male gamete fuses with female gamete
Pollen tube enter into the ovule through micropyle
Pollen tube enter into the ovule through chalaza
Vegetative cell and tube cell fuse
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
16
24
32
8
Formation of diploid embryo sac from diploid vegetative structure, eg, nucellus or integument, etc, without meiosis is called
Apospory
Apomixis
Diplospory
Adventive polyembryony
The process of embryo formation without fertilization, is known as
Apospory
Apogamy
Parthenocarpy
Polyembryony
Aleurone layer is found in
Dicotyledons
Monocotyledons
Both (a) and (b)
None of these
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
