Related Questions
In water hyacinth and water lily, pollination takes place by:
Insects or wind
Water currents only
Wind and water
Insects and water
One of the most resistant known biological material is
Lignin
Hemicellulose
sporopollenin
Lignocellulose
Synergids are
Haploid
Diploid
Triploid
Tetraploid
In wind pollination the pollens are feathery, whether it is
TRUE
FALSE
Sometimes (a) and sometimes (b)
Neither (a) nor (b)
Filiform apparatus are
Special cellular thickning at antipodal cell
Special cellular thickning at micropylar end
Special cellular thickning at synergid cells
Special cellular thickning at nuclear end
An ovule is a
Differentiated megasporangium
Dedifferentiated megasporangium
Integumented megasporangium
Redifferentiated megasporangium
Fibrous thickenings of hygroscopic nature are found in which part of the anther wall?
Epidermis
Endothecium
Middle layers
Tapetum
The female gametophyte of an angiosperm is located within which sporophytic structure?
Anther
Stigma
Fruit
Ovule
The process of transfer of pollen grains from anther to stigmatic surface with the help of water is called
Anemophily
Zoophily
Hydrophily
Ornithophily
There are 10 flowers in one individual plant of crotalaria. In each microsporangium of every stamen of all the flowers, there are 30 microspore mother cells. How many pollen grains are formed from that plant?
12000
24000
48000
96000
