CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II): Questions 246 - 251 of 385

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 385 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 246

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2015

MCQ▾

Question

Chocolates of 250 g produced in a factory were observed to have standard deviation of 2 g. A random sample of 20 chocolates showed a standard deviation of 1.5 g. What is the value for the sample? – (June)

Choices

Choice (4) Response

a.

6.0

b.

33.3

c.

10.7

d.

7.2

Question number: 247

» Fundamentals of Environmental Chemistry » Acid Base Reaction

Appeared in Year: 2009

MCQ▾

Question

SDS-PAGE of tissue proteins under denaturation determines the – (December)

Choices

Choice (4) Response

a.

Sulfide bridge breakage

b.

Hydrogen bond breakage

c.

Subunits of protein

d.

None of the above

Question number: 248

» Chemical Composition of Air » Oxygen and Ozone Chemistry

Appeared in Year: 2015

MCQ▾

Question

Corrosion normally occurs when an electrochemical cell is set up on a metal surface. The corroded area is (June)

Choices

Choice (4) Response

a.

Entire metal surface

b.

Electrolyte

c.

Cathode

d.

Anode

Question number: 249

» Energy Resources » Hydroelectric Power

Appeared in Year: 2015

MCQ▾

Question

Which of the following countries produce highest amount of hydropower? - (June)

Choices

Choice (4) Response

a.

Australia

b.

India

c.

Italy

d.

Canada

Question number: 250

» Water » Sources and Consequences

Appeared in Year: 2015

MCQ▾

Question

Indira Gandhi canal passes through the following state - (June)

(1) Punjab (2) Haryana (3) Uttar Pradesh (4) Rajasthan

Choices

Choice (4) Response

a.

1,2 only

b.

1,2, 4 only

c.

1,2, 3,4

d.

1,2, 3 only

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.

b.

4

c.

d.

2

f Page
Sign In