Ques 1.

Describe the Endosymbiont Theory. Write the evidences that support this theory

Ques 2.

Citing examples and making labelled diagrams, explain the isomorphic and heteromorphic alternation of generation.

Ques 3.

With the help of a diagram, describe the life cycle of a heteroecious fungus.

Ques 4.

Trace by giving suitable examples, the evolutionary sequence of sporophytes in bryophytes.

Ques 5.

What is heterospory? Describe how it has led to the evolution of seed habit in plants?

Ques 6.

By making labelled diagrams and giving appropriate examples, detail the range of thallus structure in various algal groups.

Ques 7.

Illustrate the reproductive structures of Marchantia and describe its sexual reproduction.

Ques 8.

Draw labelled diagrams of T.S. of internode of an aerial branch of Equisetum and T.S. of stem of Selaginella. Compare the features of the two.

Ques 9.

Detail the disease cycle of ‘Late Blight of Potato’. Mention the measures for control of this disease.

Ques 10.

Elaborate the structure and anatomy of the major morphological forms of lichens. Support your answer with examples and diagrams