🌾Agriculture MCQs
Agriculture MCQs
494 MCQs401
Most salt tolerant grass is___________?
🌾AgricultureBy: Shafiq Rehman
APara grass
BGiant star grass
CKallar grass
DAll of the above
402
Effects of soil pollution may also include:___________?
🌾AgricultureBy: Shafiq Rehman
APollution runs-off into rivers & kills the fish, plant & other aquatic life
BCrops & fodder grown on polluted soil may pass the pollutants on to the consumers
CSoil structure is damaged or polluted soil may no longer grow crops & fodder
DAll of the above
403
Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:
🌾AgricultureBy: Shafiq Rehman
AInsecticides—Herbicides
BFungicides—Insecticides
CWeedicides—insecticides
DNone of the above
404
Soils are also contaminated by a number of inorganic compounds which are also high toxic to human & other animals & are extremely poisonous may include:
🌾AgricultureBy: Shafiq Rehman
AArsenic & Cadmium
BMercury & chromium
CCalcium & Magnesium
DBoth A & B
405
Moderately toxic compound:_________?
🌾AgricultureBy: Shafiq Rehman
ALead
BFluorine
CNickle
DAll of the above
406
Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:
🌾AgricultureBy: Shafiq Rehman
AAcid rain
BNeutral rain
CBoth A & B
DNone of the above
407
Who is known as “the father of Hybrid Rice”?
🌾AgricultureBy: Asad Ullah Afridi Yuan Longping was a Chinese agronomist
AYaun Longping
BYaun Pingpong
CZuhee yaun
DNone of these
408
Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:
🌾AgricultureBy: Shafiq Rehman
ASunlight
BChlorophyll
CWater & plant nutrients
DAll of the above
409
The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________?
🌾AgricultureBy: Shafiq Rehman
APotash
BNitrogen
CCalcium
DBoth a & c
410
From the sources of plant nutrients availability in soil, which of the following statements are correct:
🌾AgricultureBy: Shafiq Rehman
AThe plant absorbs carbon as carbondioxides directly from the atmosphere.
BWater is the source of hydrogen
CAir & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.
DAll of the above