Rachel Carson's famous book 'Silent Spring' is related to
pesticide pollution
noise pollution
population explosion
population explosion
A.
pesticide pollution
Silent spring documents the determental effect of indiscriminated use of pesticides, on the environment and both its components.
The book spurred the authorities and caused a reversal in pesticide usage policies also, ensuring a nationwide ban on DDT use in agricultural fields.
Environmental protection agencies and acts were created as the result of jarring awareness caused by the book.
Which 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
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
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
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
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)
