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Which of the following statements is not correct?
- Option 1)
pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
- Option 2)
Insects that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers.
- Option 3)
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil.
- Option 4)
Some reptiles have also been reported as pollinators in some plant species.
Answers (1)
Pollen-pistil interaction-events occuring post compatible pollination -
When there is a comparible pollination, i.e, the right type of pollen has reached the pistil, the pollen grain germinates on the stigma to produce a pollen tube through one of the germ pores
-
Only when right pollen has reached the pistil, it germinates on the stigma not all pollen
Option 1)
pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
This is correct option
Option 2)
Insects that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers.
This is incorrect option
Option 3)
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil.
This is incorrect option
Option 4)
Some reptiles have also been reported as pollinators in some plant species.
This is incorrect option
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