Give nature of rays associated with different types of wavefronts.

Name different types of wavefront.

What are types of wavefront?

What are conductors ? Give their different types.

Describe different types of joints .Give examples.

What is the difference between multimolecular and macromolecular colloids ? Give one example of each. How are associated colloids different from these two types of colloids?

Give a comparative study of different types of RNA's

Give the term for the presence of different types of teeth.