Citing a few suitable examples write an explanatory note on the specific enzymes having trivial names under IUB system of enzyme nomenclature.

Give an example to explain 'Enzymes have specific pH'

Explain the term - Nomenclature'. State its need with reference to organic compounds. State the basic rules of Nomenclature by the trivial system - with suitable examples. Explain the longest chain rule and the smallest number for functional groups rule of Nomenclature by the IUPAC system-with suitable examples.

Write short notes on the following: (a) Enzyme specificity, (b) Enzyme inhibition.

(a) Explain adaptive radiation with the help of a suitable example. (b) Cite an example where more than one adaptive radiations have occurred in an isolated geographical area. Name the type evolution your example depicts and state why it is so named.

What are enzymes? Discuss briefly the classification of enzymes according to I.U.B. system giving classical examples of each class.

Given below is the diagram of a human ovum surrounded by a few sperms. Study the diagram and answer the following questions : (a) Which one of the sperms would reach the ovum earlier ? (b) Identify 'D' and 'E'. Mention the role of 'E'. (c ) Mention what helps the entry of sperm into the ovum and write the changes occuring in the ovum during the process. (d) Name the specific region in the female reproductive system where the event represented in the diagram takes place.

Name the specific enzyme responsible for nucleotide polymerisation in DNA replication. Write characteristic features of this enzyme. Name the region on E. coli DNA where this enzyme can initiate replication.

Answer the following : (a) Name the em waves which are suitable for radar system used in aircraft navigation. Write the range of frequencey of these waves. (b) If the earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain