AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which part of the flower is sticky to catch pollen?
A
stigma
B
style
C
filament
D
stamen
Explanation: 

Detailed explanation-1: -The top of the pistil is called the stigma, which is a sticky surface receptive to pollen. The bottom of the pistil contains the ovary and the narrowed region in between is called the style. The male contribution or pollen is produced in the anther, and seeds develop in the ovary.

Detailed explanation-2: -As a result, the stigmas of anemophilous flowers are usually rough and sticky. Anemophily, or wind pollination, is a method of pollination in which pollen is spread by wind.

Detailed explanation-3: -Stigma is the top swollen part of the pistil in the female reproductive part of a flower. Pollen grains from the anther of stamen part of the flower are released and land on the stigma of the flower. Stigma is sticky so that the pollen grain can attach to it.

Detailed explanation-4: -The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style. The style leads to the ovary that contains the female egg cells called ovules.

Detailed explanation-5: -The stigma is the part of the pistil which traps the pollen grains.

There is 1 question to complete.