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 161:

  A condition in which a gene does not manifest observable characteristics in the presence of its dominant allele is known as

  Options:
  A) dominance
  B) mutation
  C) recessiveness
  D) homozygosity
  Show Answer
  The correct answer is C .
• Question 162:

  The following are the features of subsistence agriculture except

  Options:
  A) subsistence agriculture is mostly practised by peasant farms
  B) It requires the use of family labour
  C) Pests and diseases are not really controlled
  D) It requires the use of both skilled and unskilled labour
  Show Answer
  The correct answer is D .
• Question 163: The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as Options:
  A) selective exploitation
  B) taungya
  C) regeneration
  D) afforestation
  Show Answer
  The correct answer is B .
• Question 164:

  _________ is the artificial watering of farmland

  Options:
  A) Application
  B) Supplying
  C) Manuring
  D) Irrigation
  Show Answer
  The correct answer is D .
• Question 165:

  In surveying, the instrument used to measure horizontal, vertical angles and planes is the

  Options:
  A) gunters chain
  B) prismatic compass
  C) ranging poles
  D) theodolite.
  Show Answer
  The correct answer is D .
• Question 166:

  Which of the following best describes agricultural marketing?

  Options:
  A) The process of producing agricultural goods
  B) The transportation of agricultural products to consumers
  C) The storage and preservation of agricultural goods
  D) The promotion and selling of agricultural products
  Show Answer
  The correct answer is D .
• Question 167: In which layer of the soil profile does most biological activity occur? Options:
  A) parent material
  B) D-horizon
  C) C-horizon
  D) B-horizon
  E) A-horizon
  Show Answer
  The correct answer is E .
• Question 168:

  In ponds, fish is usually caught with the following except

  Options:
  A) Pollution
  B) Hook and line
  C) Fish trap
  D) Cast net
  Show Answer
  The correct answer is A .
• Question 169: Yellow colouration of the lower leave of a growing maize plant may be due to deficiency in Options:
  A) potassium
  B) phosphorus
  C) zinc
  D) nitrogen
  Show Answer
  The correct answer is D .
• Question 170:

  The correct sequence in the processes of crop improvement is

  Options:
  A) Introduction → selection → breeding
  B) Breeding → selection → introduction
  C) Breeding → introduction → selection
  D) Introduction → breeding → selection
  Show Answer
  The correct answer is A .