The Cholistan and Thar deserts comprise ______

A. Duneland
B. Consisting of ridges of sand
C. Drifted and piled up by wind
D. All of the above

The part of earth in which life exists is known as:

A. Lithosphere
B. Biosphere
C. Atmosphere
D. Hydrosphere

Barnacles attached to the backs of whales and turtles, get a free ride to better riding places, in an example of:

A. Lichen
B. Mutualism
C. Commensalism
D. Mycorrhiza

Pollution of soil may destroy its structure and:

A. Fertility
B. Porosity
C. Thickness
D. Nitrates

5th June is celebrated as:

A. World forest day
B. World environment day
C. World red cross day
D. World food day

The last stage of plant succession is:

A. Ecotone
B. Climax stage
C. Seral community
D. Ecotype

For instance consumptive use of water by tamrix is 22 to 28,000 m3/ha/annum while that of willows and poplars is 7,700 to 13,500 and _____

A. 6,500 to 23,00 m3
B. 5,500 to 20,500 m3
C. 4,500 to 18,500 m3
D. None of these

Additionally, there are attributes, which, theoretically, all agroforestry system possess are:

A. Productivity
B. Sustainability
C. Adoptability
D. All of the above

The forest policy, therefore, lays down that:

A. All watershed projects, being a common source denominator, would be planned and coordinated by the Federal Government but implemented through Provincial Forest Departments in their respective areas
B. Grazing in reforested areas would be controlled until the newly-raised plants are fully established
C. Both (a) & (b)
D. None of these

Forestry Administration having types:

A. Federal
B. Provincial
C. Local
D. All of the above