CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 251 - 255 of 376

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Question number: 251

» Statistical Analysis » Distribution-Normal, T and Poisson and Binomial

Appeared in Year: 2015

MCQ▾

Question

The mean of a Poisson’s distribution is 8. Its standard deviation is (June)

Choices

Choice (4) Response
a.

22

b.

4

c.

85

d.

2

Question number: 252

» Introduction of Environmental Science » Pressure, Temperature, Precipitation, Humidity, Radiation and Wind

Appeared in Year: 2009

MCQ▾

Question

The ionizing radiation, which affects the activities of most of the enzymes, is due to – (December)

Choices

Choice (4) Response
a.

Interaction of electron with body

b.

Photoemission of electron

c.

Interaction of radiation with tissues

d.

Interaction of α-particles, β-and γ-rays with enzymes

Question number: 253

» Fundamentals of Environmental Chemistry » Stochiometry

Appeared in Year: 2009

MCQ▾

Question

Which set of stoichiometric coefficient correctly balance the equation

a.H2O2+b.KMnO4+c.H2SO4d.K2SO4+e.MnSO4+f.H2O+g.O2

(December)

Choices

Choice (4) Response
a.

a-1, b-1, c-1, d-1, e-1, f-1, g-1

b.

a-1, b-2, c-3, d-1, e-2, f-4, g-3

c.

a-2, b-5, c-3, d-2, e-1, f-8, g-5

d.

a-5, b-2, c-3, d-1, e-2, f-8, g-5

Question number: 254

» Introduction of Environmental Science » Structure and Composition of Atmosphere

Appeared in Year: 2015

MCQ▾

Question

If s<e<d where s,eandd are saturated adiabatic lapse rates, environmental lapse rate and dry adiabatic lapse rate, the atmosphere is (June)

Choices

Choice (4) Response
a.

Neutral

b.

Stable

c.

Unstable

d.

conditionally unstable

Question number: 255

» Basics of Environmental Geosciences » Mineral Resources and Environment » Minerals and Population

Appeared in Year: 2015

MCQ▾

Question

Which of the common mineral is not a silicate? (June)

Choices

Choice (4) Response
a.

Pyroxene

b.

Quartz

c.

Calcite

d.

Feldspar

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