sexual reproduction in flowering plant Flashcards
1
Q
layers of microsporangium
A
epidermis
endothecium
middle layer
tapetum
2
Q
microsporogenesis ?
A
formation of microspore tetrad from PMC by meiosis
3
Q
male gametophyte
A
Pollen grain
4
Q
layer walls of pollen grain
A
exine ,intine
5
Q
cell layers of pollen grain
A
vegetative cell and generative cell
6
Q
pollen viability of rice and wheat
A
30 min
7
Q
eg for apocarpous
A
Michelin
7
Q
pollen viability of rosacea, leguminoceae, solanaceae
A
for months
8
Q
eg for syncarpous
A
papaver
9
Q
integuments remain absent
A
micropyle
10
Q
MMC ploidy?
A
2n
11
Q
female gametophyte
A
Embryo sac
12
Q
what is present at the chalazal end of embryo sac
A
3 antipodal cells
13
Q
embryo sac formation from single megaspore?
A
monosporic development
14
Q
cleistogamous, invariably autogamous eg,
A
viola[common pansy], oxalis, commelina
