Forestry

Dehradun valley

Kullu valley

Western ghats

Sunderbans

It is an ideal against which an actual forest may be compared

Normal increment “the increment laid on by a normal forest”

Normal age class distribution “A complete series of age classes in such proportions as will permit equally yields by volume from annual or periodic fe

All of the above

Productive

Protective

Both (a) & (b)

None of these

The study of fossil plants and animals and of the rock formations where they are found

The information is used increasingly in environmental sciences to build up a picture of past environments

Both (a) & (b)

None of these

The north polar regions but it has also become used to denote the territory lying within the Arctic Circle

The landscape, climate and plant and animal life found in those regions

Both (a) & (b)

None of these

Natural balance of our ecological environment

Natural gaseous cycle

Natural geochemical cycle

Natural flora of a place

Sanitation: To protect from pest and diseases

Spacing

Removing of destroyed trees for sale

All of the above

Thermosphere

Mesosphere

Stratoshee

Troposphere

Energy flow and food chain

Mineral recycling and energy flow

Food chain and decomposers

Energy flow and decomposers

It is carried out in terms of market prices of inputs as well as benefits

We do not take into account intangible benefits

Financial analysis is carried out in cse of individual

All of the above