Forestry MCQs - MCQtimes.com

Forestry

In western Himalayas, the Betula trees usually occur in:

Tropical zone

Sub-tropical zone

Alpine zone

Temperate zone

Author: rikazzz Comment

Forestry

The term riparian erosion is applied to:

Gully erosion

Slip erosion

Wind erosion

Stream bank erosion

Author: rikazzz Comment

Forestry

Seed collection, extraction and viability testing are:

Floating

Germination

Tetrazonium chloride

All of the above

Author: rikazzz Comment

Forestry

Which is the most stable ecosystem?

Mountain

Desert

Forest

Ocean

Author: rikazzz Comment

Forestry

How windbreaks functions is:

The air is baffled and mixed as it hits the wind breaks

Causing a disruptive turbulence patterns which spoils the energy and velocity of the wind

This mixing and churning continues as the pressure gradient is built by the windbreak and the air leaks through or rolls over the top of the screen

All of the above

Author: rikazzz Comment

Forestry

These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazra. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

140 m

150 m

160 m

170 m

Author: rikazzz Comment

Forestry

Tidal Swamp Forests is/are:

More or less dense forest of very low average height

Only 3-6 m

Both (a) & (b)

None of these

Author: rikazzz Comment

Forestry

Felling and regeneration for the time being concentrated on part for the forest area:

Clear felling system

System of successive regeneration fellings

Both (a) & (b)

None of these

Author: rikazzz Comment

Forestry

Plants growing in oxygen deficient soils possess:

No roots

Longer roots system

Aerial roots system

Shallow root system

Author: rikazzz Comment

Forestry

The ground water pollution is due to excess of:

DDT is a growth retardant

Pesticides

Minerals

Carbon deposit

Author: rikazzz Comment