CBSE
Multiple Choice QuestionsWhich of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
Increased skin cancer
Reduced Immune System
Damage to eyes
Damage to eyes
Which one of the following pairs of gases are the major cause of 'Greenhouse Effect'?
CO2 and CO
CFCs and SO2
CO2 and N2O
CO2 and N2O
A renewable exhaustible natural resource is
coal
petroleum
minerals
minerals
Which two of the following changes (1-4) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more)?
1) Increase in red blood cell size
2) Increase in red blood cell production
3) Increase in breathing rate
4) Increase in thrombocytes count
Changes occurring are
(2) and (3)
(3) and (4)
(1) and (4)
(1) and (4)
Select the correct statement from the following
Bio-gas is produced by the activity of aerobic bacteria on animal waste
Methanobacterium is an aerobic bacterium found in rumen of cattle
Biogas, commonly called gobar gas, is pure methane
Biogas, commonly called gobar gas, is pure methane
Rachel Carson's famous book 'Silent Spring' is related to
pesticide pollution
noise pollution
population explosion
population explosion
Which one of the following expanded forms of the followings acronyms is correct?
UNEP = United Nations Environmental Policy
EPA = Environmental Pollution Agency
IUCN = International Union for Conservation of Nature and Natural Resources
IUCN = International Union for Conservation of Nature and Natural Resources
Eutrophication is often seen in
fresh water lakes
Ocean
Mountains
Mountains
Which one of the following statements in wrong in case Bhopal gas tragedy?
Thousands of human beings died
Radioactive fallout engulfed Bhopal
It took place on the night of December 2/3, 1984
It took place on the night of December 2/3, 1984
Good ozone is found in the
mesosphere
troposphere
stratosphere
stratosphere
