Forestry

Kasur

Lahore

Okara

Sahiwal

Littoral zone

Limnetic zone

Both (a) & (b)

Profundal zone

Q = AV

A = Cross Sectional Area

V = Velocity of Water

All of the above

Actual annual yield (Ya) in a forest should bear the same relationship to volume of actual growing stock (Va)

The normal annual yield (Yn) does to volume of normal growing stock (Vn)

Both (a) & (b)

None of these

While evaluating a certain project we have used a certain cost certain yield estimate and certain price increase estimates

In all cases our assumption may not prove true

Both (a) & (b)

None of these

Photoperiod

CO2 content to the soil

Texture and porosity of soil

Rainfall

Lower depths

Upper depths

Middle depths

None of these

Traffic on high ways

Sirens of every kind

Air traffic directions

Noise producing devices

Predominant trees comprising all the largest trees which determine the general top level of the canopy

Codominant trees which fall short of this, averaging about 5/6th of the height of predminants

Trees with forked leader and similar defects

All of the above

Environmental changes produced as a result of reaction to the community become favorable for new species of plants

Physiographic factors produce change in the habitat like flooding of plains, soil erosion, change in temperature, rain etc.

Both (a) & (b)

None of these