CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 179 - 181 of 376

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Question number: 179

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the List – I with List – II. Identify the correct answer from the codes given below the lists: (June)
List-Ⅰ (Tests) List-Ⅱ (Application)

(A)

Chi-square

(i)

Compare the variance of two-independent samples

(B)

F-test

(ii)

Judging the significance of difference between means of two small samples

(C)

Z-test

(iii)

Judging the significance of mean, median, mode

(D)

T-test

(iv)

Compare sample variance to a theoretical population variance

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (iii)
  • (ii)
  • (iv)
  • (i)

d.

  • (iii)
  • (iv)
  • (ii)
  • (i)

Question number: 180

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

Appeared in Year: 2015

MCQ▾

Question

With reference to pre-industrial times, the present day average global surface temperature is higher approximately by: (June)

Choices

Choice (4) Response

a.

1.5 0C

b.

0.56 0C

c.

1.3 0C

d.

0.85 0C

Question number: 181

» Introduction of Environmental Science » Sustainable Development

Appeared in Year: 2015

MCQ▾

Question

Which of the following is NOT one of the twelve principles of green chemistry? – (June)

Choices

Choice (4) Response

a.

Minimize or eliminate the need for waste cleanup by emphasizing waste prevention

b.

Avoid the use and generation of hazardous substances that may harm humans or the environment

c.

Maximize use of products from green plants

d.

Minimize energy consumption

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