Skip to content
Official launch — Desktop, Android & iOS — in   · join the waitlistSmarTest is live — Desktop, Android & iOS · download free
All subjects

Agricultural Science Past Questions (1988–2025)

2,489 real Agricultural Science past questions from JAMB, WAEC, each with the correct answer shown. Free to search — no account needed.

Sample questions

A few Agricultural Science questions from the bank. The full set is searchable free.

#1
JAMB2025
___ is a major reason why insects go to a flower.
  • ATo pollinate the flower
  • BTo suck the nectar of the flower
  • CTo fertilize the flower
  • DTo feed on the flower
#2
JAMB2023
What is the primary purpose of agricultural mechanization?
  • APromoting sustainable irrigation techniques
  • BIncreasing crop diversity in farming systems
  • CReducing labor requirements in agriculture
  • DEnhancing organic farming practices
#3
WAEC2020
A total of 12,000kg of maize was demanded at N20 per kg while 8,000kg of it was demanded at N30 per kg. What is the percentage change in quantity demanded?
  • A33%
  • B50%
  • C67%
  • D150%
#4
WAEC2017
In the above diagram, what crop roots are represented?
  • Aa legume
  • Ba cereal
  • Ca tuber
  • Da spice
#5
WAEC2013
Use the information provided in the table above to answer this question. Determine the market supply when the price is N4,000.00
  • A77,000kg
  • B70,000kg
  • C55,000kg
  • D35,000kg
#6
WAEC2007
Which of the following processes in plants are directly affected by high temperature? I. Water absorption II. Photosynthesis III. Respiration IV. Photoperiodism
  • AI and II only
  • BI,II and III only
  • CI and IV only
  • DII,III and IV only
#7
WAEC2000
Wood ash and oil palm bunches are rich sources of
  • Apotassium
  • Bnitrogen
  • Cmolybdenum
  • Dsulphur
#8
WAEC1993
The botanical name of giant star grass is
  • Aandropogon tectorus
  • Bpennisetum purpureum
  • Cpanicum maximum
  • Dcynodon plectostachyum
  • Echloris gayana
Subscribe