Write briefly about the theories of catalysis.

Define root. Write briefly the types of root system.

What are the two types of catalysis?

In the case of auto catalysis

What is catalysis ?

Mention briefly about the circulatory system of earthworm

Draw the diagram of a microsporangium and label its wall layers. Write briefly on the role of the endothecium.

Briefly explain about zeolites .

Give an example for heterogeneous catalysis.