ZOOLOGY – 2002, PAPER- II , SECTION A

 Time Allowed: Three Hours     maximum Marks: 200

Candidates should attempt Questions 1 and 5 which are compulsory, and any THREE of the remaining questions, selecting at least ONE question from each Section.

SECTION A

1.       Distinguish between any FOUR of the following (each answer may be in about 150 words):

(a)    Mitosis and Meiosis

(b)   Plasmids and Cosmids as vectors

(c)    Role of mutations and variations in evolution

(d)   Species and Subspecies

(e)   Transcription and translation.

2.       Lysosome is the ‘suicide bag’ of the cell. Discuss.

3.       Give an account of DNA finger printing technique and its importance.

4.       Write notes on the following:

(a)    Origin of Life

(b)   Importance of fossils

(c)    International Code of Nomenclature

(d)   Mimicry