What is the transfer of pollen grains from the anther to the stigma called?
Fertilization
Germination
Pollination
Syngamy
Related Questions
Cells of innermost layer of anther
Have a-cellulosic fibrous band
Do not degenerate
Nourish the developing pollen grains
Help in dehiscence of anther
Cells present in completely developed male gametophyte of flowering plants are.
2
5
3
4
The exceptional preservation of pollen in fossil records is primarily attributed to the presence of which biopolymer?
Cellulose
Chitin
Sporopollenin
Pectin
Pollen tube protrudes out of ?
micropyle
carpophore
germpore
stomium
Hydrophyte which does not show hydrophily is?
water hyacinth
Vallisneria
Zostera
Hydrilla
Vallisneria and Hydrilla are pollinated by?
Water
Wind
Insects
All
Cleistogamous flowers
Never open
Always open
Sometimes they open
Remain still
Which one of the following statements is not true?
Pollen grains are released from anthers at 2-celled stage
Sporogenous cell directly behaves as the megaspore mother cell
Megaspore divides twice to form an eight nucleate embryo sac
Egg and synergids always lie near the micropylar end of ovule
The function innermost layer of pollen sac, tapetum is
Dehiscence
Nutritive
Mechanical
Protective
The process of double fertilization in angiosperms involves the fusion of one male gamete with the egg cell and the other with the:
Synergids
Antipodals
Central cell
Integuments
