Multiple Choice Quiz on Environmental Issues

This quiz is designed to assess your basic knowledge in ‘Environmental issues’. Questions come under ‘easy’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. Which of the following don't settle in still air
water drops
sand particles
cigarette smoke
all of above
2. Acid rain is caused by
ozone
oxides of nitrogen
oxides of carbon
oxides of sulphur
3. Photochemical smog results problems in
vegetation
animals
building materials
all of these
4. Treatment of sewage involves:
removal of suspended particles
allow aerination for bacterial action
removal of nitrates and phosphates
all of these
5. Chronic exposure to arsenic causes
skeletal flororosis
black foot disease
itai itai disease
blue baby syndrome
6. Main approach for conservation of water is
Afforestation
Constructing waste water treatment plnts and recycling the treated water
by storing rain water and recharge groun water
all of these
7. The main sources of oceanic pollution are
oil
petroleum products
detergents
all of these
8. The activities which deplete plant life and vegetation is
overgrazing
deforestation
environmental pollution
all of these
9. Which is the ultimate sink of all natural and man made pollutants:
ocean
soil
river
desert
10. Soil pollution can be reduced by
biological manures
using biofertilizers
biological control
all of these
Score =
Correct answers: