🌲Forestry MCQs
Forestry MCQs
498 MCQs111
What is the object of sustained yield?
AUse of forest resource at a constant level which it can sustain in perpetuity at a given intensity of management
BContinuous supply of products from forests in existing stage
CTo facilitate organization and administration
DAll of the above
112
One of the following crops is the most effective in controlling soil erosion:
ACotton
BPigeon pea
CGreen gram
DMaize
113
Sheet erosion is caused by:
AFast running rivers
BWind
CHeavy rains
DGlaciers
114
Soil conservation means:
APrevention of spread of desert
BTo check soil erosion by wind and rains
CTo check soil erosion by afforestation
DAll of these
115
Soil conservation can best achieved by having:
AWind screens
BGood plant covers
CRestricted human activity
DLow rainfall
116
Main indicator of soil erosion is:
ADeforestation
BAfforestation
COzone layer
DGoats and grazing animals
117
Dark coloured soils are considered most fertile as they contain:
AGravel and sand
BSand and calcium
CClay and humus
DSilt and earthworms
118
Which of the following prevents afforestation in deserts:
AGoat and grazing animals
BLocal resident
CUnfertility of soil
DLow rainfall
119
Eroded soils are:
ARich in plant nutrients
BUnaltered in plant nutrients
CDevoid of plant nutrients
DAll of these
120
Fifth of June is celebrated as:
AWorld environment day
BDarwin’s birthday
CWorld health and hygiene day
DWorld population day