Scientific Officer-Agronomy-Practice-2

Practice questions

1. Photosynthetically active radiation range:
   • 200–300 nm
   • 300–400 nm
   • 400–700 nm
   • 800–1000 nm
2. Vernalization means:
   • Heating
   • Cooling treatment
   • Drying
   • Fertilizing
3. DAP contains nitrogen:
   • 10%
   • 18%
   • 25%
   • 40%
4. Soil erosion by wind is:
   • Splash
   • Sheet
   • Rill
   • Deflation
5. Weed seed dormancy is broken by:
   • Light
   • Scarification
   • Water
   • Heat
6. Water use efficiency:
   • Yield/Water used
   • Water/Yield
   • Area/Yield
   • Yield/Time
7. Cotton is:
   • Rabi
   • Kharif
   • Zaid
   • Perennial
8. Nitrogen deficiency symptom:
   • Purple leaves
   • Yellowing
   • Necrosis
   • Thick leaves
9. Biofertilizer example:
   • Urea
   • SSP
   • Azotobacter
   • MOP
10. Lodging occurs due to:
    • Deep roots
    • Strong stems
    • Weak stems
    • Low fertilizer
11. Black soil is rich in:
    • Sand
    • Clay
    • Silt
    • Gravel
12. Intercropping advantage:
    • Low yield
    • Pest increase
    • Better resource use
    • High weeds
13. Most important oilseed crop:
    • Mustard
    • Rice
    • Wheat
    • Maize
14. Sowing behind plough is:
    • Drilling
    • Broadcasting
    • Dibbling
    • Transplanting
15. Micronutrient required for pollen formation:
    • B
    • Zn
    • Fe
    • Mn
16. Hard pan broken by:
    • Harrow
    • Subsoiler
    • Hoe
    • Roller
17. Main source of irrigation water in Sindh:
    • Rain
    • Tube well
    • Canal
    • River only
18. Growing degree days relate to:
    • Soil
    • Climate
    • Fertilizer
    • Weed
19. Chlorosis means:
    • Leaf fall
    • Yellowing
    • Curling
    • Necrosis
20. Example of fiber crop:
    • Gram
    • Cotton
    • Rice
    • Pea