Forestry

Average tree size in the remaining crop increases with increasing weight of thinning

Delay in thinning is not compensated for in terms of girth increment by removing larger volume, unless this volume represents a greater proportion of

Both (a) & (b)

None of these

First link of the food chain and are known as primary producers

Second link of the food chain and are herbivouous

Third link of the food chain and are tertiary consumers

The end of the food chain and are decomposers

Direct measurement in water artificially applied

Indirect method: several empirical methods have been developed toestimate total infiltration in a catchment

Both (a) & (b)

None of these

Leaves-juice used in medicines

Wood used for household luxuries

Both (a) & (b)

None of these

5 meters

10 meters

20 meters

30 meters

Northern Areas

KPK

Punjab

Balochistan

April – May

September – November

February – April

None of these

Low K+ concentration and low O.P.

High K+ concentration and low O.P.

Low K+ concentration and high O.P.

High K+ concentration and high O.P

One test every 20th day

One test every 13th day

One test every 11th day

One test every 9th day

Roofing, flooring, railway sleepers

Transmission poles, cheap joinery

Furniture making match

All of the above