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 211:

  Blast of rice is a

  Options:
  A) Viral disease
  B) Bacteria disease
  C) Fungal disease
  D) Deficiency of zinc disease
  Show Answer
  The correct answer is C .
• Question 212:

  Which of the following farm practices is not mechanized?

  Options:
  A) planting
  B) fertilizer application
  C) bush clearing
  D) transplanting
  Show Answer
  The correct answer is D .
• Question 213:

  Which of the following combinations of farm inputs enhances the healthy growth of crops?

  Options:
  A) Tractor and cash
  B) Irrigation and fertilizer
  C) Work bull and implement
  D) Cutlass and sacks
  Show Answer
  The correct answer is B .
• Question 214:

  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 215:

  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 216: If T represents the gene for tallness while t represents dwarfness. When a tall (TT) crop is crossed with a dwarf (tt) crop, the resultant crop will be Options:
  A) 100% dwarf
  B) 100% tall
  C) 50% tall and 50% dwarf
  D) 75% tall and 25% dwarf
  Show Answer
  The correct answer is B .
• Question 217: Which of the following factors are causes of deforestation in West Africa? I. expansion of cultivated land II. high population growth rate III. conservation of wildlife in game reserves IV. urban growth Options:
  A) I,II and III only
  B) II,III and IV only
  C) I,II and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is C .
• Question 218:

  In animal nutrition, iodine is essential for the production of

  Options:
  A) oxygen
  B) thyrozine
  C) insulin
  D) progesterone
  Show Answer
  The correct answer is B .
• Question 219:

  The following are post planting operations except

  Options:
  A) Thinning
  B) Supplying
  C) Mulching
  D) Ridging
  Show Answer
  The correct answer is D .
• Question 220:

  The Balami is a breed of

  Options:
  A) Pig
  B) Sheep
  C) Goat
  D) Cattle
  Show Answer
  The correct answer is B .