Flowers Question Preview (ID: 12238)
Parts Of A Flower And Pollination.
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The pistil consist of
a) stigma,style, ovary,ovules
b) stamen,styyle,ovary,ovules
c) stamen,anther,style,ovary
d) stigma,stamen,style,ovary
The stamen consist of
a) anther,filament,pollen
b) filament,style,pollen
c) anther,filament,ovules
d) anther,stigma,pollen
What is the function of the petals?
a) Attract insects
b) Absorb water
c) Protect the ovary
d) Look pretty for humans
What is self pollination?
a) Transfer of pollen from the anther to the stigma of the same flower.
b) Transfer of pollen from the stigma to the anther of a different flower
c) Transfer of pollen from the stigma to the anther of the same flower
d) Transfer of pollen from the anther to the stigma of a different flower.
What is cross pollination?
a) Transfer of pollen from the anther to the stigma of a different flower.
b) Transfer of pollen from the anther to the stigma of the same flower.
c) Transfer of pollen from the stigma to the anther of a different flower
d) Transfer of pollen from the stigma to the anther of the same flower
Once a pollen grain lands on the stigma, the following occurs
a) A pollen tube grows down into the style
b) The flower dies
c) The ovary grows and explodes
d) A pollen tube grows down into the filament
What is fertilization?
a) When an ovule and pollen grain (sperm cell) combines
b) When a pollinator transports pollen to another flower
c) When pollen land on a stigma
d) When an ovule grows and becomes a seed
In order for seeds to form the following processes must occur,
a) pollination followed by fertilization.
b) fertilization followed by pollination
c) pollination followed by respiration
d) pollination followed by photosynthesis
The structure that develops into the fruit after fertilization is,
a) the ovary
b) the style
c) the stamen
d) the ovules
The main function of the sepals is
a) protect the flower when it is a bud
b) release a sweet smell to attract pollinators
c) provide nectar to the pollinators
d) provide a landing for the pollinators
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