The maximum numbers of individuals that can be sustained in a given environment, is termed : 1) Carrying Capacity 2) Biotic Potential 3) Environmental Resistance 4) Population Size

pH of normal rain water is about 1) 2.6 2) 3.0 3) 5.6 4) 9.3

Working of a solar cell is based on which one of the following ? 1) Laser Technology 2) Tyndall effect 3) Thermal Emission 4) None of these

Name that component of diet which is assimilated as such. 1) Fats 2) Proteins 3) Carbohydrates 4) Vitamins

In which era of the Geological time scale did the humans’ appeared ? 1) Palaeozoic 2) Pre-Cambrian 3) Cenozoic 4) Mesozoic

Which of the following is not a Green House Gas ? 1) Water vapour 2) Methane 3) Carbon dioxide 4) Oxygen

Dobson unit is used to measure which one of the following ? 1) Thickness of Ozone layer. 2) Pesticide contamination in water. 3) Aerosol concentration in atmospheric column. 4) None ...

What type of Disaster occurred in Chernobyl in the year 1986 ? 1) Volcanic 2) Earthquake 3) Cloud burst 4) Nuclear

Which year did the “Disaster Management Act” of Government of India came to force ? 1) 2001 2) 2005 3) 2013 4) 2015

Which of the following is a water soluble Vitamin ? 1) Vitamin – A 2) Vitamin – B 3) Vitamin – D 4) Vitamin – E