Tag: global environmental change

Questions Related to global environmental change

Melanornia (skin cancer) is associated with

  1. ozone accumulation

  2. ozone depletion

  3. acid rain

  4. allergens


Correct Option: B

What does high flying crafts deplete?

  1. Atmosphere

  2. Ozone Layer

  3. Biosphere

  4. Hydrosphere


Correct Option: B

What does a single chlorine free radical destroy?

  1. Ultraviolet radiations

  2. Atmosphere

  3. Biosphere

  4. Ozone layer


Correct Option: D

Depletion of ozone layer published in scientific journals, in

  1. 1950s

  2. 1990s

  3. 1970s

  4. 1980s


Correct Option: D

Which chemical is a 'ozone' depleting solvent?

  1. PAN

  2. CFCs

  3. Carbon tetrachloride

  4. Nitrogen


Correct Option: C

Chlorine free radical reacts with 'ozone' to form

  1. CFCs

  2. Chlorine Oxide

  3. $N _{2}$

  4. Bromine Oxide


Correct Option: B

What is involved in ozone depletion?

  1. Chlorofluorocarbons (CFCs)

  2. Carbon tetrachloride (CCl4)

  3. Carbon tetrafluoride (CF4)

  4. All of above


Correct Option: D

'Nitric acid' reacts with ozone, resulting in removal of

  1. $O{3}$

  2. CO

  3. $CO{2}$

  4. NoX


Correct Option: A

At which of the following places First Global Conference on depletion of Ozone layer was held?

  1. Geneva

  2. Vienna

  3. London

  4. Frankfurt


Correct Option: B