The factors should be considered before deciding about the pieces to be planted are:

Related Mcqs:

1. _____ the new introductions in the Thal desert have shown promise and should be planted on a large scale to serve as a hedge against calamities:

   A. A. Modestia
   B. A. Tortilis
   C. A. Victoria
   D. All of the above

2. When trees and shrubs are planted in long rows along streams, they are described as:

   A. Wind breaks
   B. Soil binders
   C. Shelter belts
   D. Basin blisters

3. Fastest rate of growth recorded (excluding Bamboo, which is not a tree botanically but woody grass) is known from Albizia falcate, planted on 17th June 1974 in Sabah, ______.

   A. Malaysia
   B. China
   C. Korea
   D. Japan

4. Hazards include all those factors that can injure or kill an animal (natural factors)

   A. Fire, rain and wind as well as man made structures such as roads and fences
   B. Thus challenging an animal’s physiological capacity as to prevent it from reproducing successfully
   C. Both (a) & (b)
   D. None of these

5. The major factors considered to be directly acting upon wildlife are:

   A. Hazards, Diseases,
   B. Predators, Genetics (species characteristics)
   C. Resources, Human
   D. All of the above

6. Environmental factors in ecosystem:

   A. Abiotic factors
   B. Biotic factors
   C. Both (a) & (b)
   D. None of these

7. Accelerated soil erosion factors are:

   A. Soil erosion by water
   B. Soil erosion by wind
   C. Both (a) & (b)
   D. None of these

8. The factors to control of wind erosion are:

   A. The soil should be kept moist as far as possible especially in the season of windstorms. Moist soil is less vulnerable to wind erosion than dry soil
   B. Wind breaks by planting tree in rows or shelter belts of any means are effective in wind erosion
   C. Both (a) & (b)
   D. None of these

9. The overall weight of quantity of wood is affected by the factors:

   A. Density
   B. Moisture content
   C. Bark and foreign material
   D. All of the above

10. The factors which affects of Infiltration Capacity (f):

    A. Solid density increase, f increase
    B. As degree of aggregation increases f increases
    C. Soil frost, reduces “f”
    D. All of the above