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NEET Biology Solved Question Paper 2008

Multiple Choice Questions

61.

Pests which only feed and oviposit on crop are called

major pests
minor pests
accidental pests
occasional pests

62.

Name one frequently used fungicide

griseofulvin
chloramphenicol
cycocel
ethylene

63.

The father of green revolution in India is

Calvin
Haberlandt
Norman Borlaug
Swaminathan

64.

In which stage of its life cycle, the silk moth begins to produce silk fibre?

3^rd instar larva
4^th instar larva
5^th instar larva
Pupa

65.

The vector of the kala-azar is

Aedes sp
Anopheles stephenis
Culex fatigans
Phlebotomus sp

66.

Which of the following be named for DNA produced from RNA?

A- DNA
B- DNA
C- DNA
Z- DNA

67.

Which of the following is not a Green-house gas?

N₂O
CFC
O₃
CO₂

68.

India became a party to 'Convention on biglogical diversity' in the year

1994
1993
1992
1988

69.
Increase of BOD in water leads to

increase in the dissolved O₂ concentration

decrease in the dissolved O₂ concentration

maintenance of dissolved O₂ concentration at the same level

no effect on dissolved O₂ concentration

decrease in the dissolved O₂ concentration

Biochemical Oxygen Demand (BOD) is the oxygen in milligrams required-for five days in one litre of water at 20 $°$ C for the micro-organisms to metabolise organic waste. Increase of BOD in water leads to decrease in the dissolved oxygen concentration.