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 121:

  One of the limitation of mechanization of farms is

  Options:
  A) reduction in the cost of production
  B) exposure of soil to the effects of climate
  C) increase in yield of crops
  D) reduction of farm labour
  Show Answer
  The correct answer is A .
• Question 122:

  Which of the following sources of farm power is most versatile in West Africa?

  Options:
  A) Biogas
  B) animal
  C) wind
  D) water
  Show Answer
  The correct answer is B .
• Question 123:

  The most unreliable source of power on the farm is

  Options:
  A) heat engine
  B) wind
  C) electricity
  D) animal
  Show Answer
  The correct answer is B .
• Question 124:

  What is the primary objective of agricultural research?

  Options:
  A) Developing new farming technologies
  B) Increasing crop diversity
  C) Promoting organic farming practices
  D) Enhancing agricultural productivity and sustainability
  Show Answer
  The correct answer is D .
• Question 125: Which of the following diseases commonly occur during brooding? I. yolk sac infection II. coccidiosis III. fowlpox IV. pullorum Options:
  A) I,II and III only
  B) I,II and IV only
  C) I,III and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is B .
• Question 126:

  All but one are related to surface irrigation?

  Options:
  A) Mole drainage
  B) Natural flooding
  C) Sprinkler irrigation
  D) Check flooding
  Show Answer
  The correct answer is D .
• Question 127:

  ___________ is a process of spreading new ideas and information from research station to reach farm families

  Options:
  A) Osmosis
  B) Diffusion
  C) Turgidity
  D) Flaccidity
  Show Answer
  The correct answer is B .
• Question 128:

  Which of the following farm animals is considered as monogastric?

  Options:
  A) Goat.
  B) Pig.
  C) Cow.
  D) Sheep.
  Show Answer
  The correct answer is B .
• Question 129: The following are advantages of sub-surface irrigation except that Options:
  A) it is suitable for soils with low water holding capacity
  B) it can be used only for specific types of crops
  C) the rate of evaporation is greatly reduced
  D) it reduces the incidence of pests
  Show Answer
  The correct answer is B .
• Question 130:

  The farm practices that does not have a very harmful effect on the soil is

  Options:
  A) Flooding
  B) Crop rotation
  C) Over grazing
  D) Bush burning
  Show Answer
  The correct answer is B .