Vegetative propagation in Pisitia occurs by
stolen
offset
runner
sucker
B.
offset
In water lettuce (pistia), vegetative propagation occurs by offsets. offsets are shorter and thicker small runners growing in the axil of a leaf. It bears a cluster of leaves in rosette manner above the water level and adventitious roots below the water level arising from all nodes.
Write a note on economic importance of algae and gymnosperms.
Both gymnosperms and angiosperms bear seeds, then why are they classified separately?
What is heterospory? Briefly comment on its significance. Give two examples.
Explain briefly the following terms with suitable examples:
(i) protonema
(ii) antheridium
(iii) archegonium
(iv) diplontic
(v) sporophyll
(vi) isogamy
Differentiate between the following:
Red algae and brown algae
Differentiate between the following:
liverworts and moss
Differentiate between the following:
homosporous and heterosporous pteridophyte
Differentiate between the following:
syngamy and triple fusion
How would you distinguish monocots from dicots?
Mock Test Series
