Which of the following pollination mechanisms specifically involves the transfer of pollen between two different plants of the same species?
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
Related Questions
Grass family (Poaceae) contains
Exposed stigma
Versatile anther
Both (a) and (b)
Large pollens
Function of tapetum is to provide
Protection
Nutrition
Respiration
All of these
Which of the following structures connects the ovule to the placenta within the ovary?
Funicle
Hilum
Micropyle
Nucellus
Select the incorrect statement w.r.t. pollen grains.
The exine is made up of pectin and cellulose.
The intine is made up of cellulose and pectin.
Generative cell divides to form two male gametes.
Pollen grains are generally spherical.
In plants, the pollination process that involves the transfer of pollen grains from the anther of one flower to the stigma of another flower on a different plant is called:
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
In angiosperms how many male gametes are produced by one meiosis in one PMC?
4
8
1
2
Which of the following is pollinated by water?
Seagrass
Sunflower
Rose
Cactus
Which of the following pairs of plant families is known for pollen viability extending for several months post-release, impacting breeding strategies?
Rosaceae and Liliaceae
Leguminosae and Fabaceae
Poaceae and Solanaceae
Asteraceae and Brassicaceae
Pollens are considered as well preserved fossils due to the presence of
Exine
Intine
Mexine
Protein
Which one of the following is surrounded by a callose wall?
Microspore mother cell
Male gamete
Egg
Pollen grain
