464ForestryMedium
Control measures to check tree damages are:
ABiological
BUse of resistant varieties
CAll of the above
DBiotechnical
EPhysical
Correct answer
C. All of the above
Explanation
The correct answer is All of the above.
Correct answer
C. All of the above
Explanation
The correct answer is All of the above.
Government of Pakistan has realized the importance of watershed management and an extensive watershed development programme is being implemented in:
The number of primary producers within a specified area world be maximum in:
Sewage water can be purified for recycling with the action of:
Biological treatment of water pollution is done with the help of:
What are the major reasons for burning rengeland:
The effect of today’s radioactive fallout will probably be more harmful to children of future generations than to children now living because: