Question Bank No: 1

1. Osteoporosis will be caused by pollutant

 a)Chlorine
 b)Bromine
 c)Fluorine
 d)All

2. The chemical isotope present in tobacco smoke is

 a)Iodine - 131
 b)Polonium - 210
 c)Caesium - 137
 d)Strontum - 90

3. Incineration means

 a)Burning solid wastes in presence of O2
 b)Buring solid wastes in the absence of O2
 c)Pyrolysis
 d)both (a) & (b)

4. Blue baby syndrome is caused because of the pollution of

 a)water pollution
 b)Excess nitrate in drinking water
 c)both (a) & (b)
 d)SO2

5. Which of the following is a secondary pollutant of air

 a)Photochemical smog
 b)CO2
 c)Hydrocarbons
 d)SO2

6. Acid rain is caused by

 a)SO2
 b)SO2 & NO2
 c)CO2
 d)O2

7. Term nuclear winter is associated with

 a)Nuclear War
 b)Nuclear weapon testing
 c)Nuclear disbarment
 d)After math of a nuclear holocaust

8. The chemical which cause damage to WBC, bone marrow, spleen, lymph & lungs

 a)Calcium
 b)Strontium- 90
 c)Iodine 131
 d)Iodine 127

9. The pollutants emitted by jet aerolanes in outer atmosphere as fluorocarbons are called

 a)Ozone
 b)Smog
 c)Ozosphere
 d)Aerasols

10. Lead inhalation causes

 a)Inhibition of WBC
 b)Inhibition of hemoglobin formation
 c)Inhibition of platelet formation
 d)Inhibition of plasma formation

11. Mercury pollution causes a disease called

 a)Minamata
 b)Hepatitis
 c)Nephritis
 d)Cyanosis

12. Extremely fine particles of pollutants are separated by

 a)Cyclone collectors
 b)Electrostatic precipitators
 c)Porous filters
 d)Using super bugs

13. Biological oxygen demand measures

 a)Industrial pollution
 b)Dissolved oxygen needed by microbes
 c)Air Pollution
 d)Polluting capacity of effluents

14. Land areas spoiled by mining is called

 a)Derelict land
 b)Mire spoil
 c)demeral fishes
 d)Both (a) & (b)

15. Practice of growing agricultural crops between rows of planted tree is

 a)Jhum
 b)Taungya system
 c)Social forestry
 d)Both (a) & (b)

16. In exhaustible resources among the following is

 a)Water, soil fertility, wildlife
 b)Biological species, minerals, fossil fuels.
 c)Water, natural vegetation, aquatic animals
 d)Solar energy, wind power, hydropower

17. When biosphere turns to human dominated environment, it is

 a)Troposphere
 b)Noosphere
 c)Mesosphere
 d)Thermosphere

18. Primary succession on rock starts with

 a)Herbs
 b)Annuals
 c)Lichens
 d)Trees

19. A community that starts the process of succession in a habitat is called

 a)Pioneer community
 b)Seral community
 c)Climax community
 d)Ectorial community

20. The series of changes occurring a barren area is

 a)Primary Succession
 b)Sere
 c)Secondary Succession
 d)SubsereCommunity