The Earth summit was organised by-
(A) UNESCO (B) UNCED
(C) WHO (D) UNICEF
Ans. (B)
2. Environment includes-
(A) Abiotic component (B) Biotic component
(C) Oxygen and Nitrogen
(D) Abiotic and Biotic component
Ans. (D)
3. The World’s largest bio-fuel plant has been established with a production capacity of 100 million liters per year, is located in-
(A) China (B) India
(C) Brazil (D) USA
Ans. (C)
5. Which of the following is an important Greenhouse Gas?
(A) Carbon Dioxide (B) Chlorofluorocarbon
(C) Carbon Monoxide (D) Freon
Ans. (A)
6. The cause of reduction of forest coverage is-
(A) Agriculture (B) Manufacturing Industry
(C) Rising Population (D) Toursim and Pilgrimage
Ans. (C)
7. Where is the secretariat of the Conference on Biological Diversity?
(A) London (B) Italy
(C) Montreal (D) Toronto
Ans. (C)
8. When was the World Wildlife Fund founded?
(A) 1969 (B) 1992
(C) 1961 (D) 1965
Ans. (C)
9. What is the ecological system integrating all
living beings and their relationships?
(A) Total Wild Life (B) Biosphere
(C) Lithosphere (D) Hydrosphere
Ans. (B)
10. The largest ecosystem of earth is-
(A) Biome (B) Hydrosphere
(C) Lithosphere (D) Biosphere
Ans. (B)
11. For which of the following reason, it is necessary to secure a large area for forest?
(A) Absorption of carbon dioxide
(B) Conservation of wild life
(C)More rain (D) Ecological balance
Ans. (D)
12. Soil is eroded heavily due to deforestation, i affects the flowing of surface water badly. Which of the following is badly affected by these causes-
(A) Human-Resource (B) Ecological System
(C) Climate (D) Local Plants
Ans. (B)
13. Which of the following aquatic plant is effective in preventing the water-pollution caused
by industrial waste?
(A) Water Hyacinth (B) Elephant Grass
(C) Parthenium (D) (B) and (C)
Ans. (A)
14. Which has the maximum rate of deforestation?
(A) Tropical Zone (B) Desert Zone
(C)Temperate Zone (D)Northern Forest
Ans. (A)
15.Due to growing demand of which of the following product, tropical forest are being damaged the most-
(A) Pork (B) Sugar
(C) Meat of Goat (D) Beef
Ans. (D)
16. What is the benefit of rain water storage?
(A) Recharging ground water level
(B) Respite from floods
(C) Reduce the scarcity of water
(D) Protection from soil-erosion
Ans. (A)
17. What are the five main indicators of global
climate change of our planet?
(A) Sea level, rising temperature, rain, nitrogen
and Arctic ocean ice
(B) None of these
(C) Arctic ocean ice, carbon dioxide, global
temperature, sea level, surface ice
(D) Antarctica ice, oxygen, rain, drought and sea level
Ans. (C)
18. What is the reason of degradation of climate of Maldives?
(A) Continuous soil erosion
(B) High population density
(C) Industrial pollution of air and water
(D) All of these
Ans. (D)
19. El-Nino is-
(A) Warm Ocean Current (B) Sea Storm
(C) Tropical Disturbance
(D) Another name of Typhoon
Ans. (A)
20. The Ozone hole over Antarctica was discovered in-
(A) 1975 (B) 1985 (C) 1978 (D) 1987
Ans. (B)
21. What is the biggest source of pollution in the
world?
(A) Sewage and Garbage
(B) Automobile Laxity
(C) Herbicide and Insecticide
(D) Industrial Tributaries
Ans. (A)
22. The Biosphere is a region of earth which
supports life. It includes1. Hydrosphere 2. Lithosphere
3. Stratosphere 4. Troposphere
(A) 1 and 3 (B) 1,2, and 4
(C) 1 and 4 (D) 2,3,and 4
Ans. (B)
23. Global warming is expected to result in
(A) Increase in sea level
(B) Change in crop pattern
(C) Change in coastal line
(D) All of these
Ans. (D)
24. Rio Summit is associated with
(A) Convention on Biological Diversity
(B) Green house gases
(C) Ozone depletion (D) Wet lands
Ans. (A)
25. Which of the following is least likely to be an effect of global warming?
(A) Increased frequency of hurricanes
(B) Loss of fertile delta region as for agriculture
(C) Decreased rate of photosynthesis in vegetation
(D) Shrinking of the polar ice regions
Ans. (C)
26. The first protocol to ban the emissions of choloro fluorocarbons in the atmosphere was made in __________
(A) Montreal (B) Osaka
(C) Geneva (D) Florida
Ans. (A)