As a consequence of succession the P/B ratio (Gross production / Standing crop biomass) is changed. It is
Answer: high during developmental stages and low at mature stage.
Preparation of hazard-zoning map in case of landslide prone regions involves comprehensive investigation of
Answer: all of the above.
According to Goldieh the decreasing order of stability of following minerals of igneous rocks towards weathering is
Answer: Quartz > Muscovite > Potash feldspar > Biotite
In universal polar stereographic coordinate system the eastings and northings are computed using which projection method ?
Answer: Polar aspect stereographic projection
Pitchblende is an ore of
Copper (Cu) is classified according to its geochemical affinity as
Answer: Chalcophile element
If ‘a’ is the fractional wind speed decrease at the wind turbine, the maximum extraction of power from the wind occurs when ‘a’ is equal to
According to WHO, maximum permissible level of chlorides in drinking water is
Wilting coefficient of a loam represents
Answer: the minimum water content of the soil at which plants can no longer obtain water
Which one of the following techniques can be used for determining the level of cadmium in soil ?
Answer: Atomic Absorption Spectrophotometer
For noise control in automobiles, the exhaust muffler attenuates sound by
Answer: Reducing velocity of hot gases
Five particles (< 2-3 m) can be effectively collected from industrial stacks by
Answer: Venturi scrubbers
Soil fulvic acids are strong chelators of
Natural source of polycyclic aromatic hydrocarbons (PAHs) is
Public hearing is conducted
Answer: After preparation of EIA