The type of ecosystem with the highest mean plant productivity is temperate grassland tropical rain forest desert tundra TRUE ANSWER : ? YOUR ANSWER : ?
Definition of ecosystem is A community of organisms interacting with one another The abiotic component of a habitat The part of the earth and its atmosphere which inhibits living organisms The community of organisms together with the environment in which they live TRUE ANSWER : ? YOUR ANSWER : ?
The crucial species that determine the ability of large number of other species is termed as _________ species. Keystone Significant Crucial Important TRUE ANSWER : ? YOUR ANSWER : ?
Ramsar Convention refers to the conservation of ____________ Wetlands Agriculture lands, Deserts Forest land TRUE ANSWER : ? YOUR ANSWER : ?
Hypothermia is most common in: Cold, dry weather Cold, wet weather Hot, dry weather Hot, humid weather TRUE ANSWER : ? YOUR ANSWER : ?
The effects of radioactive pollutants depends upon Energy releasing capacity Rate of deposition of the contaminant All of these Rate of diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The most abundant gas in the stratosphere is: Chlorofluorocarbons (CFCs) Carbon dioxide (CO2) Ozone (O3) Oxygen (O2) Nitrogen (N2) TRUE ANSWER : ? YOUR ANSWER : ?
Mycorrhiza represents Parasitic association between a fungus and roots of plants Parasitic association between a fungus and an alga Symbiotic association between a fungus and liverworts Symbiotic association between a fungus and roots of higher plants TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following group of gases cause photochemical smog? O2, PAN, and NO2 O3, PAN and NO2 Ozone, PAN and CO HC, NO and PAN TRUE ANSWER : ? YOUR ANSWER : ?