Which of the following phenomena is supposedly associated with global warming?
(1) Southern Oscillations
(2) El Nino (3) La Nino
(4) El Nino Modiki
Adv.
Which of the following is a renewable resource?
(1) Coal
(2) Mineral oil
(3) Natural gas
(4) Forests
Taiga means :
(1) Deciduous forests
(2) Coniferous forests
(3) Grass lands
(4) Deserts
Virtually treeless, sparse vegetation is found in :
(1) Taiga
(2) Alpine
(3) Tundra
(4) Chapparal
Name the condition which influences the development of plants into distinctive forms.
(1) Climatic conditions
(2) Soil conditions
(3) Environmental conditions
(4) Social conditions
Species which has restricted distribution is called
(1) Eco species
(2) Endemic
(3) Sympatric
(4) Allopatric
The space retaining life in any form is called
(1) Biomass
(2) Biosphere
(3) Lithosphere
(4) Hydrosphere
Which of the following is a Biological method of soil conservations ?
(1) Contour farming
(2) Contour terracing
(3) Gully control
(4) Basin listing
With what bio-region is the term ‘‘Steppe’’ associated?
(1) Grasslands
(2) Tropical forests
(3) Savanna
(4) Coniferous forests
The tropical rain forest is characterised by
(1) Absence of trees
(2) Least productivity
(3) Maximum biodiversity
(4) Minimum biodiversity
Natural sources of air pollution are
(1) Forest fires
(2) Volcanic eruptions
(3) Dust storm
(4) Smoke from burning dry leaves
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