AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The sticky top surface of the pistil.
A
Stigma
B
Pistil
C
Pollen
D
Sepal
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: -The top part of the pistil is called the stigma and is sticky so it will trap and hold pollen. In flowering plants, the flower functions in sexual reproduction. The essential flower parts are the male parts called the stamens and the female part called the pistil.

Detailed explanation-3: -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-4: -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-5: -Stigma: The part of the pistil where pollen germinates. Ovary: The enlarged basal portion of the pistil where ovules are produced.

There is 1 question to complete.