Forestry

Refinery

Distillary

Textile mill

Paper mill

Zero%

Nearly zero%

0.50%

1%

Autecology

Ethology

Ecology

Syncology

Stocking: Is a qualitative term, which designates the relative occupation of the site by trees.

Stand density: A quantitative measure of tree stocking, expressed either relatively as a co-efficient, taking normal numbers, basal area

Both (a) & (b)

None of these

Soil erosion by water

Soil erosion by wind

Both (a) & (b)

None of these

Thermal power plant

Automobile

Radioactive power plant

Hydroelectric power plant

Single grained: Where each soil particles function as an individual e.g. Sandy soil

Massive: Clay fills the spaces and pores so that the soil becomes dense and forms clods

Both (a) & (b)

None of these

Wind screens

Good plant covers

Restricted human activity

Low rainfall

Air pollution

Soil pollution

Water pollution

All of the above

Algae

Mycorrhizae

Grasses

All of these