The transfer of pollen from the anthers of one plant to the stigma of a different plant, introducing genetically distinct pollen, is known as:
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
Related Questions
Meiosis takes place in.
gemmule
megaspore
meiocyte
conidia
Mark the statement not true for an anatropous ovule.
Encloses single female gametophyte
The micropyle lies close to hilum
Its body is made of parenchymatous nucellus
Ploidy of funicle, nucellus and all cells of embryo sac are same
Cleistogamous flowers
Never open
Always open
Sometimes they open
Remain still
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
In chasmogamy pollination takes place in
Open flower
Closed flower
Large flower
Geitonogamy flower
Unisexuality of flowers prevents
Autogamy, but not geitonogamy
Geitonogamy and xenogamy
Geitonogamy, but not xenogamy
Autogamy and Geitonogamy
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollution, brings genetically different types of pollen grains to stigma, is:
Chasmogamy
Cleistogamy
Xenogamy
Geitonogamy
Microsporangia develops in to
Pollens
Microgametes
Megagametes
Pollen sacs
Polygonum type of embryosac is?
Bisporic, 8 nucleate
Monosporic, 4 nucleate
Tetrasporic, 16 nucleate
Monosporic, 8 nucleate
Hydrophyte which does not show hydrophily is?
water hyacinth
Vallisneria
Zostera
Hydrilla
