Forestry

Agro-forestry is a land-use system that involves socially and ecologically acceptable integration of tree with agricultural crops

Agro-forestry is a sustainable land management system, which increases the over all yield of the land

Both (a) & (b)

None of these

BOD of polluted water is increased by

Moss

Ferns

Distillated wastes

Ozone and dust

NH3 and SO3

CO and SO3

NO2 and SO2

3.8-5.4

6.5-7.5

4.5-8.5`

5.5-6.5

With the renewed interest in the role of trees for environmental conservation

For meeting the day-to-day needs of the people in respect of various forest produce much has been written on the subject

Both (a) & (b)

None of these

On the lithosphere surface

In the hydrosphere

In the lithosphere, hydrosphere and atmosphere

In the lithosphere and hydrosphere

Birds

Herbivores

Hunters

Human beings

The importace of integrating the resource bae and sound land use withing the web of the catchments making up Pakistan rivers

The production of quality water at the right time & place is a extremely important function of uplans

There is little r public investment o projects relted to dams, irrigation, canals and road construcion except for governmental funded project

All of the above

Study of single species

Study of different species

Both (a) & (b)

None of these

Reaction

Nudation

Invasion

Ecesis