🌲Forestry MCQs
Forestry MCQs
498 MCQs361
Flood frequency analysis based on:
AFlood data of past is collected and arranged in descending order
BRanking of observation is carried out
CProbability of occurrence of certain flood is known
DAll of the above
362
Range lands are:
AThose areas of the world which by reason of physical limitation, low and erratic precipitation, rough topography, poor drainage
BExtreme temperature are unsuited to cultivation
CA source of wood products, water and wildlife
DAll of the above
363
Natural revegetation is:
A& (
BD. None of these
CBoth (
364
Natural revegetation can be achieved by:
AReducing stocking rates
BChanging season of use, initiating special grazing systems
CProper distribution of livestock
DAdditional water development and protecting of the area from livestock grazing for longer periods E. All of the above
365
Which area of Pakistan have a high potential for natural revegetation?
APotohar
BCholistan
CRiver side
DNone of these
366
Practice for increasing water yield are:
ASoil stabilization
BKeep minimum vegetation
CFavour, shallow rooted species
DConvert forest to other species and land uses E. All of the above
367
Concentrate water saving efforts with:
AVegetation
BEngineering structures
CCheck dams
DDiversion channels E. All of the above
368
Cropping methods in watershed areas are:
A& (
BD. None of these
CBoth (
369
Tillage Method: A farmer ploughs for purposes:
APreparation of seed beds for established of plants
BTo eliminate weed competition
CTo replace soil layer by fresh layer soil
DAll of the above
370
Improvement techniques of arable lands are:
AMulch tillage
BContour cultivation
CTie Ridging
DSub-soiling E. All of the above