Question58:-Sea water will boil at a temperature
A:-Higher than pure water
B:-Lower than pure water
C:-Same as that of pure water
D:-Cannot be predicted, it can be higher, same or lower
Correct Answer:- Option-A
Question59:- was absent on earth's atmosphere during the early days of origin of life.
422002)
CH_(4)°
௦02)
0:- 0 (2)
Correct Answer:- Option-D
Question60:-Which one of the following is linked with Methaemoglobinaemia ?
A:-Methyl mercury
B:-Nitrate
C:-Cadmium
D:-Arsenic
Correct Answer:- Option-B
Question61:-Three Gorges is a
A:-Nuclear reactor
B:-Dam
C:-Biosphere reserve
D:-A lake in USA
Correct Answer:- Option-B
Question62:-The science of cryogenic deals with
A:-Crystallography
B:-Low temperature
C:-Low pressure
D:-Missile technology
Correct Answer:- Option-B
Question63:-The salt concentration in the open sea is

Correct Answer:- Option-D
Question64:-Monsanto is the firm behind introduction of in India.

A:-Mobile phones

B:-BT-cotton

C:-LCD Television

D:-Plasma TV

Correct Answer:- Option-B
Question65:-El-Nino is

A:-A freshwater lake

B:-An Ocean current

C:-An air current

D:-A Glacier

Correct Answer:- Option-B
Question66:-'Kerogen' is

A:-Protein found in Human hair

B:-Protein found in cow's milk
:-Substance found in Fungal cell wall

D:-Solid waxy mixture of hydrocarbons

Correct Answer:- Option-D
Question67:-Very low BOD level of a water body indicates that the water is

A:-Less polluted

B:-Highly polluted

C:-Rich in heavy metals

D:-Contain more organic matter