shaalaa.com
S

Solution - Pre-fertilisation - Structures and Events - Stamen, Microsporangium and Pollen Grain

Account
User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Question

Where is sporopollenin present in plants? State its significance with reference to its chemical nature.

Solution

You need to to view the solution
Is there an error in this question or solution?

Appears in these question papers

Similar questions VIEW ALL

An anther with malfunctioning tapetum often fails to produce viable male gametophytes. Give any one reason.

view solution

(a) Name the organic material exine of the pollen grain is made up of. How is this material advantageous to pollen grain?

(b) Still it is observed that it does not form a continuous layer around the pollen grain. Give reason.

(c) How are ‘pollen banks’ useful?

view solution

Sketch and label T.S of angiospermic anther.

view solution

(a) Plan an experiment and prepare a flow chart of the steps that you would follow to ensure that the seeds are formed only from the desired sets of pollen grains. Name the type of experiment that you carried out.

(b) Write the importance of such experiments

view solution

Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy.

view solution
Solution for concept: Pre-fertilisation - Structures and Events - Stamen, Microsporangium and Pollen Grain. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
S