EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes the stigma?
A
The narrow “neck” of the carpel
B
The part of the stamen that makes pollen
C
The base of the carpel that contains the seeds
D
The part of the carpel designed to catch pollen
Explanation: 

Detailed explanation-1: -Often sticky, the stigma is adapted in various ways to catch and trap pollen with various hairs, flaps, or sculpturings. The pollen may be captured from the air (wind-borne pollen, anemophily), from visiting insects or other animals (biotic pollination), or in rare cases from surrounding water (hydrophily).

Detailed explanation-2: -It is a receptive glandular part placed at the tip of the style. The area, where the pollen is received, is called the stigma. The stigma is the terminal part of a carpel that receives the pollen grains.

Detailed explanation-3: -Carpel has three parts stigma, style and ovary. Stigma has a sticky surface and is the site where the carpel recieves pollen grains.

Detailed explanation-4: -: a mark of shame or discredit : stain. bore the stigma of cowardice. plural usually stigmata : an identifying mark or characteristic. specifically : a specific diagnostic sign of a disease.

There is 1 question to complete.