🌾Agriculture MCQs
Agriculture MCQs
494 MCQs431
The most suitable species for reclamation of sandy soils is:_________?
🌾AgricultureBy: Shafiq Rehman
ACasuarina equiselifolia
BAcacia spp
CAzadirachta indica
DAll of the above
432
In low-rainfall areas, huge shifting sand dunes are commonly found, particularly near human habitations. Techniques of afforesting the shifting dunes needed to be implemented. These techniques consist of___________?
🌾AgricultureBy: Shafiq Rehman
ATreatment of shifting sand-dunes by fixing barriers in parallel stripes or in a chess-board design, using the local shrub material starting from the crest of the dunes to protect the seedlings from burial or exposure by the blowing of sand.
BProtection against biotic interference
CBoth a & b
DNone of these
433
Pakistan being predominantly an arid and semiarid country, In addition to agricultural productivity losses and increasing poverty, desertification results in significant reductions in _________?
🌾AgricultureBy: Shafiq Rehman International Day for Biological Diversity – 22 May The United Nations has proclaimed
AContributing to global warming
BCarbon storage in soils
Closs of biodiversity
DAll of these
434
World biodiversity day is celebrated on:_________?
🌾AgricultureBy: Shafiq Rehman International Day for Biological Diversity – 22 May The United Nations has proclaimed
AMar-21
BMarch-2
CApr-22
DMay-22
435
Water-erosion can be reduced / controlled by:___________?
🌾AgricultureBy: Shafiq Rehman
AProvision of surface-cover that intercepts the rain before hitting the soil.
BReducing the amount of runoff by promoting infiltration.
CBoth a & b
DNone of the above
436
Sustainable technologies to improve soil fertility and physical condition:
🌾AgricultureBy: Shafiq Rehman
ABalance use of NPK fertilizers according to the need of crops.
BFollowing proper crop rotation (shallow rooted and deep root crops) in the cropping session.
CRegular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
DAll of the above
437
In Pakistan, approximately __________ mha of irrigated land is affected by salinization:
🌾AgricultureBy: Shafiq Rehman
A12.6 mha
B5.7 mha
C8.2 mha
DNone of the above
438
Sustainable Technologies to Control Water-Logging:
🌾AgricultureBy: Shafiq Rehman
AInstallation of tube-wells for irrigation and vertical drainage.
BPlanning and designing of future canals on proper lines.
CPlanting of eucalyptus in water-logged areas.
DAll of these
439
Green manures are mostly used as a source of:_________?
🌾AgricultureBy: Shafiq Rehman
AZink
BNitrogen
COxygen
DNone of these
440
Maize can grow very well in the soils pH ranging from:__________?
🌾AgricultureBy: Shafiq Rehman
A3.5-4.5
B6-8.5
C5.5-7.5
DNone of these