CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 341 - 346 of 376

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Question number: 341

» Fundamentals of Environmental Chemistry » Solubility Products, Solubilty of Gases in Water

Appeared in Year: 2011

MCQ▾

Question

The particle sizes associated with ambient aerosols in the atmosphere have the range – (December)

Choices

Choice (4) Response

a.

<100µm

b.

510µm

c.

1 – 5 µm

d.

<1µm

Question number: 342

» Soil » Soil Micro-Organisms and Functions

Appeared in Year: 2009

MCQ▾

Question

The term oligotrophic refers to – (December)

Choices

Choice (4) Response

a.

Algal blooms

b.

Higher nutrients in water

c.

High aquatic productivity

d.

Low nutrients and low productivity

Question number: 343

» Basics of Environmental Geosciences » Earth's Processes and Geological Hazards » Earthquakes and Volcanism

Appeared in Year: 2011

MCQ▾

Question

Where the amplitude of Tsunami waves would be maximum? – (December)

Choices

Choice (4) Response

a.

Near the Coast

b.

At Deep Ocean

c.

At Mid Oceanic Ridges

d.

On Flood Plains

Question number: 344

» Environmental Awareness » Desertification and Control

Appeared in Year: 2011

MCQ▾

Question

About what percentage of earth’s dry lands are deserts? (December)

Choices

Choice (4) Response

a.

23 – 26%

b.

43 – 53%

c.

10 – 20%

d.

33 – 36%

Question number: 345

» Energy Resources » Global Warming

Appeared in Year: 2011

MCQ▾

Question

Which of the following gases has the maximum global warming potential (GWP) lifetime? – (December)

Choices

Choice (4) Response

a.

Carbon-dioxide

b.

Methane

c.

Nitrous oxide

d.

Water vapour

Question number: 346

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2011

MCQ▾

Question

To test whether there is a significant difference between the means of two sets of observations; one employs the following statistical technique: (December)

Choices

Choice (4) Response

a.

t-test

b.

F-test

c.

χ2 test (chi square test)

d.

Regression

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