Trees On Non-Forest Areas MCQs

Option A: For those developing countries not possessing significant oil or mineral wealth upon which to base their economic development

Option B: The output from the use of their land resources must, for the foreseeable future, form the basis for their economies

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: A crisis based on the changing price of oil and load shedding

Option B: The search for acceptable and practical alternative source of energy

Option C: The environmental effects of a continuing dependence on fossil fuels

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Forest resources are limited

Option B: About five percent of the country’s land is under forest cover

Option C: It is becoming increasing difficult to meet the demands of the growing populace for fuelwood, fodder, and agricultural implements

Option D: More than 60 percent of the land in Pakistan is either already affected or likely to be affected by desertification

Correct Answer: All of the above ✔

Option A: Forest and trees are intimately linked to agriculture

Option B: They play vital role in sustaining crop yields by helping to maintain the soil and water base

Option C: They provide a significant proportion of livestock feed

Option D: All of the above

Correct Answer: All of the above ✔

Option A: The arid and semi-arid zones of the world, arid savannas of the tropics, the slopes of the mountains of the tropics

Option B: And subtropics and forest areas of the developing world under shifting cultivation have been described as ‘Fragile Ecosystems’

Option C: Because their equilibrium appears to be easily upset and because they become ecologically degraded if certain forms of land use

Option D: All of the above

Correct Answer: All of the above ✔

Option A: The magnitude of the problem on terms of people and areas affected, which is unprecedented in history

Option B: The accelerating nature of the processes involved and the increasing irreversibility of their results

Option C: The lack of success (for socio-economic, cultural or ecological reasons) of most agriculture technologies from temperate regions to solve land-productivity problems over large areas of the topics

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Agroforestry and social forestry as land use

Option B: It is difficult to increase the forested area because suitable publicly owned lands are not available

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Tree might lessen the risk of hardship because of crop failure and whenever trees will allow farmers to accumulate capital or cash

Option B: Trees will help to spread production activities throughout the year, by staggering the harvests, providing products in dry seasons, or spreading the labour load

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Depletion of soil nutrients (especially nitrogen and phosphorous)

Option B: Soil degradation due to absence of soil cover at certain times

Option C: Inadequate fuel and food supplies

Option D: All of the above

Correct Answer: All of the above ✔

Option A: An agroforestry and social forestry approach to land use exists in areas

Option B: Where soil fertility is low and mainly depends on the soil organic matter fraction

Option C: Where erosion potential is high and where the incidence of surface soil desiccation is high

Option D: All of the above

Correct Answer: All of the above ✔