Forestry

Throughout their life

Seeds decay and seedlings are killed by damping-off

Generally serious in the coniferous nurseries

All of the above

All the material resources around us and degradation is closely related to the pattern of resource use within the society

The trees are the most important feature of the environment in which we leve, work, play and enjoy the bounties of nature

Both (a) & (b)

None of these

10-20 dB

40-60 dB

90-12 dB

120-150 dB

Producers

Decomposers

Consumers

All of the above

Northern

Western Baluchistan ranges

Southern

Eastern

Saprophytes

Primary consumers

Second trophic level

None of these

Uniform system

Group system

Irregular system

Strip system

Cheapest and slow process of rehabilitating depleted rangelands

Costly and fast process of rehabilitating depleted rangelands

Both (a) & (b)

None of these

Grazers

Browsers

Both (a) & (b)

None of these

Mechanical

Selective

Schedule/statistical

All of the above