Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:
A. Insecticides—Herbicides B. Fungicides—Insecticides C. Weedicides—insecticides D. None of the above
Agriculture MCQs
Effects of soil pollution may also include:___________?
A. Pollution runs-off into rivers & kills the fish, plant & other aquatic life B. Crops & fodder grown on polluted soil may pass the pollutants on to the consumers C. Soil structure is damaged or polluted soil may no longer grow crops & fodder D. All of the above
The capacity of a soil to function on sustained basis promoting plant and animal health:
A. Soil Quality B. Soil Pollution C. Soil Salinity D. None of these
The soil texture refers to the relative proportion of sand,__________ and clay:
A. Stone B. Soil C. Rock D. Silt
“Wash-in” takes place in which horizon?
A. E B. O C. B D. A
One of the following is not a form of water erosion:
A. Saltation B. Rainsplash erosion C. Sheet erosion D. Rill erosion
Soil conservation is performed by:_________?
A. Cutting trees B. Excessive grazing C. By plantation D. By heavy irrigation
The study of relationship between soil properties & plant production is known as:_________?
A. Pedology B. Soil Science C. Agronomy D. None of these
Which type of structure is dominant in grasslands:
A. Prismatic & Columnar B. Spheroidal or Sphere-like C. Angular blocky Sub-angular blocky D. Platy & Luminar
Soil order Vertisol is related to:_________?
A. Black soils B. River soils C. Marine deposits D. Both B & c