Environment and Ecology, geography notes gk
1. The Earth summit was organized by UNCED –
(A) UNESCO
(B) UNCED
(C) WHO
(D) UNICEF
Ans. (B)
2. Environment includes which thing-
(A) Abiotic component
(B) Biotic component
(C) Oxygen and Nitrogen
(D) Abiotic and Biotic component
Ans. (D)
3. The World’s largest biofuel plant located in which place3-
(A) China
(B) India
(C) Brazil
(D) USA
Ans. (C)
4. What is the cause of ‘Greenhouse effect’?
(A) Nitrogen
(B) Carbon Dioxide
(C) Carbon Monoxide
(D) Nitrogen Dioxide
Ans. (B)
5. Important Greenhouse Gas which of the following?
(A) Carbon Dioxide
(B) Chlorofluorocarbon
(C) Carbon Monoxide
(D) Freon
Ans. (A)
6. The cause of reduction of forest coverage is which thing –
(A) Agriculture
(B) Manufacturing Industry
(C) Rising Population
(D) Tourism and Pilgrimage
Ans. (C)
7. the Conference on Biological Diversity where is the secretariat of?
(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. it is necessary to secure a large area for the forest For which of the following reason,
(A) Absorption of carbon dioxide
(B) Conservation of wildlife
(C)More rain
(D) Ecological balance
Ans. (D)
12. Soil is eroded heavily due to deforestation, it affects Cause of
(A) Human-Resource
(B) Ecological System
(C) Climate
(D) Local Plants
Ans. (B)
13. Thw water polution caused by
(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. The following product, tropical forests are being damaged the most- Due to growing demand of which of
(A) Pork
(B) Sugar
(C) Meat of Goat
(D) Beef
Ans. (D)
16. Rainwater storage What is the benefit?
(A) Recharging groundwater level
(B) Respite from floods
(C) Reduce the scarcity of water
(D) Protection from soil-erosion
Ans. (A)
18. What is the reason for the degradation of the 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. The biggest source of pollution in the world ?
(A) Sewage and Garbage
(B) Automobile Laxity
(C) Herbicide and Insecticide
(D) Industrial Tributaries
Ans. (A)
23. Global wariming caused
(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) Greenhouse gases
(C) Ozone depletion
(D) Wet lands
Ans. (A)
26. The first protocol to ban the emissions of colors fluorocarbons in the atmosphere was made in __________
(A) Montreal
(B) Osaka
(C) Geneva
(D) Florida
Ans. (A)