Time
Allowed: Three Hours Maximum Marks:
200
Compulsory should attempt Questions 5 and 8
which are compulsory, and any THREE of the remaining questions selecting at
least ONE question from each Section.
SECTION
B
5.
Write notes on any four of the following in not
more than 150 words each:
(a)
Predator
(b)
Components of ecosystem
(c)
Sitophilus oryzae
(d)
Null hypothesis
(e)
Pollution and its impact on biosphere
6.
Give an account of natural resources, explain
the importance of their conservation and discuss critically the present
position of wild life conservation in India.
7.
(a) Discuss the role of insect vectors in
spreading epidemics in man. Add a note on preventive measures.
(b) Discuss the environmental cues that
help in bird migration.
8.
(a) Describe the principles and applications of
flame photometry.
(b) What are the statistical parameters to be
considered in designing laboratory and field experiments?
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