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 191:

  Which of the following is not a source of farm power?

  Options:
  A) wind
  B) Bull
  C) Tractor
  D) Plough
  Show Answer
  The correct answer is D .
• Question 192:

  Which of the following routine maintenance in a tractor is necessary on daily basis?

  Options:
  A) Draining of the gear box oil.
  B) Removing and cleaning of engines air filter
  C) Replacing of the fuel filter element.
  D) Checking of the oil level in the engine.
  Show Answer
  The correct answer is D .
• Question 193:

  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 194:

  Crop rotation has the following effects on the soil except

  Options:
  A) maintenance of soil fertility
  B) reducing concentration of soil pests
  C) improving soil structure
  D) predisposing soil to leaching
  Show Answer
  The correct answer is D .
• Question 195:

  Which of the following is the correct order for land preparation?

  Options:
  A) land clearing → ploughing → harrowing → ridging
  B) land clearing → harrowing → ploughing → ridging
  C) land clearing → ploughing → ridging → harrowing
  D) land clearing → harrowing → ridging → ploughing
  Show Answer
  The correct answer is A .
• Question 196:

  Daily management routines in poultry include the following except

  Options:
  A) egg collection
  B) debeaking
  C) water and feed provision
  D) health care
  Show Answer
  The correct answer is B .
• Question 197:

  The effects of practicing crop rotation include the following except

  Options:
  A) maintaining and improving soil fertility
  B) controlling soil erosion
  C) adding humus to the soil
  D) preventing the build-up of pests and diseases
  Show Answer
  The correct answer is C .
• Question 198:

  The A-Horizon of soil profile is also called the

  Options:
  A) Top soil
  B) Sub-soil
  C) Parent materials
  D) Bedrock
  Show Answer
  The correct answer is A .
• Question 199:

  Which of the following is a friend of farmer

  Options:
  A) earthworm
  B) aphid
  C) grasshopper
  D) termite
  Show Answer
  The correct answer is A .
• Question 200:

  The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's

  Options:
  A) demand for rice
  B) elastic limit
  C) supply of rice
  D) preference for rice
  Show Answer
  The correct answer is A .