Advertisements
Advertisements
प्रश्न
Why angiosperm anthers are called dithecous?
उत्तर
Typical angiosperm anther is broad, terminal and bilobed. Each lobe of the anther has two pollen sacs which fuse (at maturity) to form a single chamber called the thecus, so it is called dithecous.
APPEARS IN
संबंधित प्रश्न
As a senior biology student you have been asked to demonstrate to the students of secondary level in your school, the procedure (s) that shall ensure cross – pollination in a hermaphrodite flower. List the different steps that you would suggest and provide reasons for each of the item.
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Dahlia_______ .
Name of the parts of the ovary which give rise to:
Fruit wall ______
Give one word/term for the following:
Pollination of flowers by insects.
Name the two types of pollination.
Describe the Advantages and Disadvantages of self-pollination to the Plant.
For which of the following attractants and rewards are required?
Choose the correct statement from the following.
Anemophily type of pollination is found in ______.
Which type of pollination does Figure 12.1 indicate?