Related Questions
Sporopollenin plays a crucial role in the formation of pollen fossils. What is the key property of sporopollenin that facilitates this process?
Solubility in water
Resistance to degradation
Rapid decomposition
Attraction to insects
Emasculation is not required when flowers are?
bisexual
intersexual
unisexual
either 1 (or) 2
Micropyle helps in
Germination of pollen grain
Growth of pollen tube
Coming out of pollen tube from pollen grain
Allowing entry of pollen tube
The terminal structure of stamen is called
Pollen
Filament
Anther
All of these
The female gametophyte in angiosperms is also known as the:
Nucellus
Embryo sac
Pollen grain
Endosperm
Which one of the following was observed for the first time by Trenb?
Entry of the pollen tube into the ovule through the micropyle in ottetia
Entry of the pollen tube into the ovule through the chalaza in casuarina
Entry of the pollen tube into the ovule through the integuments
Formation of many pollen tube into the ovule through the grain in hibiscus
Long silky hairs on cob of maize are
Anthers
Style
Stigma
Both (b) and (c )
Meiotic cell division takes place during
Gametogenesis
Embryogenesis
Organogenesis
Parthenogenesis
The female gametophyte of an angiosperm is located within which sporophytic structure?
Anther
Stigma
Fruit
Ovule
Microsporangia develops in to
Pollens
Microgametes
Megagametes
Pollen sacs
