Question 1. The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is ___________.
(A) LPG
(B) Coal
(C) Natural gas
(D) Petroleum
Question 2. The teeth are likely to be pitted, more susceptible to cavities and wear when the fluoride concentration is___________.
(A) More than 4 mg/1
(B) More than 20 mg/1
(C) More than 40 mg/1
(D) More than 2 mg/1
Question 3. The species restricted to be present in one region are called?
(A) Keystone species
(B) Endangered species
(C) Endemic species
(D) Edge species
Question 4. The impact of construction of dams _________.
(A) Damages downstream ecosystem
(B) Loss of wild life habitat
(C) Submerged forest
(D) All of the above
Question 5. What is the major limiting factor in the arid areas of our country?
(A) Soil
(B) water
(C) forests
(D) Money
Question 6. What is Kyoto Protocol?
(A) It is an agreement among countries to start using nuclear energy
(B) t is an agreement among countries to take steps for planting trees to control pollution
(C) It is an agreement among countries to take steps for reducing acid rain.
(D) It is an agreement among countries to take steps for reducing global warming
Question 7. The method of rainwater harvesting which can be adopted by individual house owners is?
(A) Roof-top rainwater harvesting
(B) Creation of new water bodies
(C) On channel storage of water
(D) Construction of recharge trenches
Question 8. The term ‘Environment’ has been derived from the French word which means to encircle or surround ___________.
(A) Aqua
(B) Geo
(C) Oikos
(D) Environ
Question 9. Wetlands in the flood plains of rivers are also considered as nature’s________.
(A) swimming pool
(B) flood control systems
(C) carbon sink
(D) Heat sink
Question 10. What kind of people are the most ill-affected by the construction of dams?
(A) Tribal people
(B) Tourists
(C) Beach dwellers
(D) Urban dwellers
Question 11. The percentage of total world’s precipitation, which is lost to the atmosphere through evaporation, approximates to___________.
(A) 43%
(B) 37%
(C) 7%
(D) 57%
Question 12. Which is a list of renewable resources?
(A) Hydropower, solar, wind energy
(B) Natural gas, wind, biomass
(C) Biomass, geothermal, hydropower
(D) Petroleum, geothermal, wind
Question 13. Which of the following are consequences of ozone depletion?
(A) Shortening of zooplanktons and their breeding period
(B) Skin cancer and cataract
(C) Reduced growth in plants
(D) All of the above
Question 14. Which of the following effect is responsible for Global Warming?
(A) Nuclear effect
(B) Solar effect
(C) Radioactive effect
(D) Green house effect
Question 15. The process of restoring forests that once existed but was removed at some time in the past is known as?
(A) Deforestation
(B) Reforestation
(C) Afforestation
(D) None of these
Question 16. Which is the only country who has not ratified the Kyoto Protocol yet?
(A) India
(B) Japan
(C) Australia
(D) United States
Question 17. What are rodenticides?
(A) that kill crocos
(B) that kill rats
(C) that kill insects
(D) That kill fishes
Question 18. Which of the following are major environmental issues involved in mining?
(A) Soil degradation
(B) Water pollution
(C) Air pollution
(D) All of the above
Question 19. Which of the following is management option for air pollution?
(A) Using CNG as fuel
(B) Transport planning
(C) Regulations and standards
(D) All of these
Question 20. Which of below items is the major sector which extracts most of fresh water available for utilization?
(A) Agriculture
(B) Beverage industry
(C) Drinking water
(D) Domestic use
Question 21. Which among the following is a sedimentary type of cycle?
(A) Carbon cycle
(B) Oxygen cycle
(C) Nitrogen cycle
(D) Sulphur cycle
Question 22. The share of Hydropower (Hydel projects) in worlds commercial electricity production is less than ___________.
(A) 20%
(B) 12%
(C) 4%
(D) 2%
Question 23. When fluoride concentration in H2O exceeds about 1.5 mg/1, the disease that may be caused, is ?
(A) Methemoglobinemia
(B) Polymyelitis
(C) Fluorosis
(D) Dental caries in children
Question 24. Which gas is responsible for the global warming ?
(A) Hydrogen
(B) Noble gases
(C) Carbon dioxide
(D) Nitrogen
Question 25. Sustainable development means?
(A) Balance between human needs and the ability of earth to provide the resources
(B) Meeting present needs without compromising on future needs
(C) Progress of human beings
(D) All of the above