Geometric representation of age structure is a characteristic of
Geometric representation of age structure is a characteristic of Options (a) population (b) landscape (c) ecosystem (d) biotic community Correct…
7 years ago
Easy
The Air Prevention and Control of Pollution Act came into force in :
The Air Prevention and Control of Pollution Act came into force in : Options (a) 1981 (b) 1985 (c) 1990…
7 years ago
Secondary productivity is rate of formation of new organic matter by
Secondary productivity is rate of formation of new organic matter by Options (a) Parasite (b) Consumer (c) Decomposer (d) Producer…
7 years ago
Which one of the following is not a bioindicator of water pollution?
Which one of the following is not a bioindicator of water pollution? Options (a) Blood-worms (b) Stone flies (c) Sewage…
7 years ago
The slow rate of decomposition of fallen logs in nature is due to their
The slow rate of decomposition of fallen logs in nature is due to their Options (a) low moisture content (b)…
7 years ago
Mass of living matter at a trophic level in an area at any time is called
Mass of living matter at a trophic level in an area at any time is called Options (a) standing crop…
7 years ago
Which one of the following is a primary consumer in maize field ecosystem?
Which one of the following is a primary consumer in maize field ecosystem? Options (a) Lion (b) Grasshopper (c) Wolf…
7 years ago
The two gases making highest relative contribution to the greenhouse gases are
The two gases making highest relative contribution to the greenhouse gases are Options (a) CO2 and CH4 (b) CH4 and…
7 years ago
The bacterium Bacillus thuringiensis is widely used in contemporary biology as
The bacterium Bacillus thuringiensis is widely used in contemporary biology as Options (a) insecticide (b) agent for production of dairy…
7 years ago
Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?
Which one of the following is not a gaseous biogeochemical cycle in ecosystem ? Options (a) Sulphur cycle (b) Phosphorus…
7 years ago