Greenhouse Effect And Climate Change Test

Greenhouse Effect And Climate Change

This is online test 01 for CBSE class 12 Biology Environmental Issues (Greenhouse effect and climate change).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
In which year did the scientists report largest ozone hole in the atmosphere?
  • A
    2006
    Correct
  • B
    2010
  • C
    1994
  • D
    2002
2
As per U.S. greenhouse gas emissions report which of the following accounted for the second largest percentage of greenhouse gases?
  • A
    \(C{H_4}\)
    Correct
  • B
    \(C{O_2}\)
  • C
    Nitrogen &sulphur oxides
  • D
    HFCs
3
Which of the following will be able to cope with greenhouse effect :
  • A
    Homeotherms
    Correct
  • B
    Hibernators
  • C
    Poikilotherms
  • D
    Stenotherms
4
Ozone can be: i. good ozone present in troposphere, and acts as shield against ultraviolet rays ii. bad ozone is a severe pollutant in stratosphere and is dangerous to living beings.
  • A
    Statement ii) is correct but i) is wrong
  • B
    both the statements are correct
  • C
    both the statements are wrong
    Correct
  • D
    Statement i) is correct but ii) is wrong
5
Earth is protected from ultra-violet radiations by means of
  • A
    Ozone layer
    Correct
  • B
    Nitrogen
  • C
    Carbon dioxide gas
  • D
    Oxygen
6
Ozone depletion shall cause higher incidence of
  • A
    Skin cancer. Cataract and decreased immunity.
    Correct
  • B
    Decreased immunity only.
  • C
    Cataract only
  • D
    Skin cancer only
7
Which of the following is a not a green house gas
  • A
    \(C{H_4}\)
  • B
    \(C{O_2}\)
  • C
    CFC’s
  • D
    \({O_2}\)
    Correct
8
Primary constituents of photochemical smog are
  • A
    \(N{O_2}\)and hydrocarbons Hydrocarbons and CFC’s
  • B
    SO2 and CO
  • C
    \(C{O_2}\)and \(N{O_2}\)
    Correct
9
The gases which are transparent to solar radiation but retain long wave heat radiations are called
  • A
    Inert gases
  • B
    Radioactive gases
  • C
    Green house gases
    Correct
  • D
    Nitrogenous gases
10
In which conference held in 1997, the rich nations have agreed to limit the emission of green house gases.
  • A
    Geneva conference
  • B
    Paris conference
  • C
    Kyoto conference.
    Correct
  • D
    Montreal conference