After fertilization, the outer integument forms
Testa
Tegmen
Perisperm
Pericarp
Related Questions
What will be the gametic chromosome number of a cell, if somatic cell have 40 chromosomes?
10
20
30
40
In Dicot embryo the radicle is formed by?
epibasal tier of embryo
hypobasal tier of embryo
hypophysis of suspensor
terminal cell of suspensor
Micropyle exists in
Seed
Ovule
Both (1) and (2)
Fruit only
Identify the correct statement regarding the edible part of a coconut.
It is the pericarp.
It is diploid (2n) in nature.
It is the embryo.
It is triploid (3n) in nature.
Triploid tissue in angiosperms, is
Nucellus
Endosperm
endothelium
Tapetum
Function of micropyle is
Helps in germination
Helps in surviving
Both (a) and (b)
Helps in endosperm formation
When does the extrusion of the second polar body from the egg nucleus typically occur?
Before ovulation
After sperm entry
During the formation of the primary oocyte
Before the first meiotic division
Seed germination requires I. Light II. Suitable temperature III. Moisture IV. Oxygen Select correct option
I, II and III
II, III and IV
I, III and IV
II, IV and I
Fusion of male gamete with polar nuclei in embryo sac is known as.
double fertilization
embryogeny
pollination
triple fusion
Identify the characters with reference to the plant in which eight nucleated embryo sac was first studied by strasburger.
I – Micropyle, chalaza and funiculus are arranged in the same vertical line
In the ovule.
II – presence of both unisexual and bisexual flowers in the same plant.
III – Filiform apparatus helps in conduction of food materials from
Endosperm to egg apparatus.
IV – Long funiculus coils like a watch spring around the ovule.
I and IV
II and III
I and II
III and IV
