What is the role of methanogens?

5

(a)

What is the need of a classification system in biology? How did different classification systems develop over a period of time?

5

(a)

Biological classification is a dynamic and ever-evolving phenomenon which keeps changing with our understanding of life forms. Justify the statements by taking any two examples.

5

(a)

Write difference between ascocarp and basidiocarp

5

(a)

List any six diseases caused by these classes of fungi

5

(a)

How do viruses resemble non - living things?

5

(a)

Organise a discussion in your class on the topic – Are viruses living or nonliving?

5

(a)

In which organisms heterocyst is present? Mention two features of heterocysts. Which features make it suitable for nitrogen-fixation?

5

(a)

What are the benefits of a five kingdom classification over a two kingdom classification?

5

(a)

Give a brief account of reproduction in fungi

5

(a)