🌲Forestry MCQs
Forestry MCQs
498 MCQs61
Sources of organic matter are:
A& (
BD. None of these
CBoth (
62
Functions of organism matter are:
AProvide N.P.S.
BIncrease water holding capacity of soil
CReduce impact of falling rain drops
DSource of energy for micro-organisms E. All of the above
63
Terracing is an affective method of soil conservation:
ADesert areas
BHilly areas
CPlains
DRiverine areas
64
Which is the main causative factor for desertification?
AIrrigated agriculture
BOvergrazing
CTourism
DDevelopmental activities
65
Deforestation may reduce the chances of:
ARain fall
BFrequent cyclones
CErosion of surface soil
DFrequent landslides
66
Deforestation causes:
ASoil erosion
BPollution
CNo floods
DNone of these
67
Soil erosion is prevented by:
AAfforestation
BDeforestation
CDenudation
DOvergrazing
68
Constant grazing and browsing in an area may ultimately result in the formation of:
ADense forest
BGrassland
CBushy vegetation
DDesert
69
The possible beneficial effect of the grazing animals is:
AAddition of their excreta to the soil
BEradication of weeds
CRemoval of wild plants
DRemoval of wild animals
70
Physical properties which are subjected to change by silvicultural operations are:
ASoil structure
BSoil texture
CPorosity
DSoil colour E. All of the above