Agricultural-Science Exam Past Questions and Answers | JAMB, WAEC and NECO

Agricultural science studies farming practices, including soil cultivation for growing crops and raising animals for food, wool, and other products.

• Question 181: The device which would help to stabilize heat in an incubator is the Options:
  A) thermometer
  B) hygrometer
  C) barometer
  D) thermostat
  Show Answer
  The correct answer is D .
• Question 182:

  The Mendelian law of segregation states that the characteristics which is hidden in an F1, reappears in F2 generation in a ratio

  Options:
  A) 1 : 2
  B) 2 : 2
  C) 1 : 3
  D) 3 : 2
  Show Answer
  The correct answer is C .
• Question 183:

  Which of the following is an example of farm machinery used for planting seeds?

  Options:
  A) Combine harvester
  B) Harrow
  C) Tractor
  D) Seed drill
  Show Answer
  The correct answer is D .
• Question 184:

  The alternate heating and cooling of rocks result in

  Options:
  A) sublimation
  B) volatilization
  C) solidification
  D) fragmentation
  Show Answer
  The correct answer is D .
• Question 185:

  The desktop computer used for data management in agri-business is

  Options:
  A) an analog computer
  B) a super computer
  C) a hybrid computer
  D) a mainframe computer
  Show Answer
  The correct answer is C .
• Question 186:

  Which of the following groups of crops requires a nursery?

  Options:
  A) cotton,sorghum and tomato
  B) oil palm, cocoa and tomato
  C) cocoa, maize and rice
  D) banana, coffee and tomato
  Show Answer
  The correct answer is C .
• Question 187:

  One of the followings is not an objective of agricultural extension

  Options:
  A) To educate farmers
  B) To help improve the standard of living of rural dwellers
  C) To abandon the development of rural area
  D) To help identify proper market channel
  Show Answer
  The correct answer is C .
• Question 188:

  Which of the following sources of farm power is most flexible and adaptable to farm operations?

  Options:
  A) animal power
  B) wind power
  C) human power
  D) solar power
  Show Answer
  The correct answer is C .
• Question 189:

  Retailers may create artificial scarcity of goods by

  Options:
  A) price hiking
  B) hoarding
  C) under producing
  D) processing.
  Show Answer
  The correct answer is B .
• Question 190:

  Which of the following is not a characteristic of metamorphic rock?

  Options:
  A) they are colourless
  B) some occur in layers
  C) they may contain fossils
  D) they may be hard and massive
  Show Answer
  The correct answer is C .