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
A. Insecticides—Herbicides B. Fungicides—Insecticides C. Weedicides—insecticides D. None of the above
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
A. Soil Quality B. Soil Pollution C. Soil Salinity D. None of these
A. Stone B. Soil C. Rock D. Silt
A. E B. O C. B D. A
A. Saltation B. Rainsplash erosion C. Sheet erosion D. Rill erosion
A. Cutting trees B. Excessive grazing C. By plantation D. By heavy irrigation
A. Pedology B. Soil Science C. Agronomy D. None of these
A. Prismatic & Columnar B. Spheroidal or Sphere-like C. Angular blocky Sub-angular blocky D. Platy & Luminar
A. Black soils B. River soils C. Marine deposits D. Both B & c