Sexual Reproduction in Flowering plants Flashcards
(32 cards)
Anther is
Terminally bilobed
Microsporangia forms
Pollen sac
Sporogenous tissue is found in
Centre of microsporangia
Who go under microsporangenesis
Sporogenous tisse cells
Microspore is
Pollen grain
No of pollen grain inside each microsporangium
Thousands
Pollen grain is
Male gamteophyte
What variety of architecture is seen in pollen grain
Sizes shapees and colours
Pollen size is
25-50 um in DIAMETER
Exine is
Hard layer
Intine is thin n continuous
Germ pore doesn’t have
Sporopollenin
One ovulr in ovary
Wheat paddy mango PMW A
Many ovile
Papaya watermelon orchid POW
Basal part of ovule
Chalaza
Integumrnts
1-2 protective envelopes
Megasporangia
Ovules
Enbryo sac
Female gamteophyte
Mmc is developed
In microplyar region by ovule differentiation
Autogany example
Viola comman pansy
Oxalis
Commenila
Corn tassels
Stigma styles
N capture pollen grain
Water polllination
30 genera of monocots
Water pollinated
Vasilleneria
Hydrilla
Zostera
Aquatic plant with insect pollination
Water hyaintch water lily