Oil derived from coal, oil shales or tar sands is called____________?
A. natural gas
B. biomass
C. syncrude
D. none of the above
The cutting down of trees and setting them on fire and raising crops on the resulting ash is called____________?
A. Pyrolysis
B. Jhum
C. Taungya system
D. Shift cultivation
______________ is the poisonous gas leaked during Bhopal gas tragedy?
A. MIC
B. PVC
C. Teflon
D. Hydrogen Sulphide
Approximately, 50% of total world species are present on______________?
A. Tropical rain forest
B. Temperate rain forest
C. Temperate deciduous forest
D. Coral reefs
Green Land biome____________?
A. Tundra
B. Pampas
C. Taiga
D. Thaar
Abundant source of inonazite sands are found on the sea shores of______________?
A. Maharashtra
B. West Bengal
C. Tamil Nadu
D. Kerala
_________ is a practice of clearing and burning the forest area for cultivation of crops for 3-4 years and shifting?
A. Jhum cultivation
B. Horticulture
C. Taungya cultivation
D. Agrisilviculture
Which of the following region has maximum diversity______________?
A. mangrooves
B. temperate rainforest
C. taiga
D. coral reefs
The wind-chill factor_____________?
A. Relates body heat loss with wind to an equivalent temperature with no wind
B. Indicates the temperature at which water freezes on exposed skin
C. Takes into account humidity and air temperature in expressing the current air temperature
D. Tells farmers when to protect crops from a freeze
E. Determines how low the air temperature will be on any given day
A small particle of soil blown by dust is known as___________?
A. saltation
B. suspension
C. surface creep
D. landslide
