Search SchoolNGR

Friday, 12 June 2026
Register . Login

Agricultural Science Past Questions and Answers

Agricultural Science Questions

Question 181:
Which of the following factors influence agricultural production is biotic factor?
  • A Parasite
  • B Soil PH
  • C Topography
  • D Soil texture
  • E Temperature
View Answer & Explanation
Question 182:
Granite is
  • A A sedimentary rock
  • B A wealtered rock
  • C Mentamorphic rock
  • D An igneous rock
  • E A plutonic rock
View Answer & Explanation
Question 183:
In which layer of the soil profile does most biological activity occur?
  • A Parent material
  • B D-horizon
  • C C-horizon
  • D B-horizon
  • E A-horizon
View Answer & Explanation
Question 184:
When leaves of crop plants show brownish coloration from the tips of the mid-ribs backward, they are showing deficiency symptom of
  • A Magnesium
  • B Zinc
  • C Nitrogen
  • D Copper
  • E Phosphorus
View Answer & Explanation
Question 185:
which of the following farm practices can prevent excessive evaporation from soil surfaces?
  • A Liming
  • B Mulching
  • C Weeding
  • D Harrowing
  • E Ploughing
View Answer & Explanation