Which of the following statements is not correct?
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grow into the style.
Insects that consume pollen or nectar without bringing about pollination are called pollen / nerctar robbers.
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those
of the pistil.
Some reptiles have also been reported as pollinators in some plant species.
Related Questions
In monocotyledonous seeds the outer covering of endosperm separates the embryo by a proteinaceous layer called
Scutellum
Coleorhiza
Aleurone layer
Coleoptile
Banana fruits are seedless, because
Auxins are sprayed for rapid development of fruits
Of vegetative propagation of plants
Of triploid plants
Fruits are artificially ripened
Ruminate endosperm is found in the seeds of family
Compositae
Cruciferae
Euphorbiaceae
Annonaceae
Function of micropyle is
Helps in germination
Helps in surviving
Both (a) and (b)
Helps in endosperm formation
The first cell of the new generation in angiosperms is called the:
Embryo
Endosperm
Suspensor
Zygote
Milky water of tender coconut is
Liquid gametes
Liquid nucellus
Liquid female gametophyte
Liquid endosperm
If the number of chromosomes in egg cell is 8, then what is the number of chromosomes on endosperm?
24
8
16
12
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
16
24
32
8
Coleorhiza is
Lower end of embryonal axis in monocot
Lower end of embryonal axis in dicots
Lower end of embryonal axis in potato family
upper end of embryonal axis in monocot
All monocotyledons have?
endospermic seeds
non-endospermic seeds
many seeds in each fruit
embryo with coleoptile, coleorhiza
