The term Ecosystem was coined by __________?
A. Odum
B. Clements
C. Arthur G Tansley
D. Elton
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Author: Aroma Ann
The Salim Ali Bird sanctuary is located at __________?
A. Pondicherry
B. Thattekad
C. Anakkatti
D. Kalakkad
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Climate includes __________?
A. Seasonal variation
B. General patterns of atmosphere conditions
C. Average weather of an area
D. All of these
At night, low clouds __________?
A. Enhance the atmospheric greenhouse effect
B. Weaken the atmospheric greenhouse effect
C. Are often caused by the atmospheric greenhouse effect
D. Have no effect on the atmospheric greenhouse effect
Centre of Modern nuclear technology in India is __________?
A. CRAS
B. SARC
C. BARC
D. None of these
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In a food chain of grassland ecosystem the top consumers are __________?
A. Herbivorous
B. Carnivorous
C. Bacteria
D. Either carnivorous or herbivorous
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What scale is useful to record the force of wind?
A. Decibel
B. Richter
C. Beau fort
D. Fajita
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Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as __________?
A. nektonic
B. neuston
C. benthic
D. planktonic
Unleaded petrol contains __________ which are known as carcinogenic compounds.
A. nitrates
B. sulphates
C. benzene
D. phosphates
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