CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 331 - 335 of 376

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Question number: 331

» Basics of Environmental Geosciences » Landuse Planning » Soil Surveys

Appeared in Year: 2011

MCQ▾

Question

Soil surveys involve which of the following? – (December)

Choices

Choice (4) Response

a.

Soil series mapping

b.

Soil depth mapping

c.

Soil horizons mapping

d.

All of the above

Question number: 332

» Statistical Analysis » Basic Elements and Tools

Appeared in Year: 2009

MCQ▾

Question

Which statistical device helps in analyzing the co-variation of two or more variables? – (December)

Choices

Choice (4) Response

a.

Mean of the variables

b.

Correlation

c.

Regression

d.

Standard deviation

Question number: 333

» Environmental Awareness » Waste Disposal, Recycling and Power Generation

Appeared in Year: 2011

MCQ▾

Question

Fuel cells are devices that generate electricity by converting the energy released by – (December)

Choices

Choice (4) Response

a.

Biochemical reactions involving combustion process

b.

Electrochemical reactions without going through combustion process.

c.

Biochemical reactions without going through combustion process.

d.

Electrochemical reactions involving combustion process

Question number: 334

» Noise » Noise Exposure Levels and Standards

Appeared in Year: 2011

MCQ▾

Question

The sound power from a voice shouting is 0.001 Watt. The sound level in dB is – (December)

Choices

Choice (4) Response

a.

120 dB

b.

90 dB

c.

30 dB

d.

60 dB

Question number: 335

» Basics of Environmental Geosciences » Earth Systems and Biosphere » Lithosphere, Hydrosphere, Atmosphere and Biosphere

Appeared in Year: 2013

MCQ▾

Question

Mesoscale Meteorological Phenomena occur over areas of horizontal distance in the range (km) (December)

Choices

Choice (4) Response

a.

100200km

b.

110km

c.

1100km

d.

1050km

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