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:

  One major difference between disc plough and disc harrow is

  Options:
  A) Disc plough is used to create wider ridges on the field than disc Harrow
  B) A disc plough can have up to 54 discs on it at once whereas a disc harrow can have up to 6 disc
  C) Disc plough is used to tilled the disc harrowed land
  D) The disc part of plough is notched while that of harrow is round
  Show Answer
  The correct answer is A .
• Question 182:

  What are the main differences between monocot and dicot plants?

  Options:
  A) Monocots have parallel leaf veins, while dicots have branched leaf veins
  B) Monocots have flower parts in multiples of three, while dicots have flower parts in multiples of four or five
  C) All of the above
  D) Monocots have fibrous root systems, while dicots have taproot systems
  Show Answer
  The correct answer is C .
• Question 183:

  Broadcast Crop Planter is designed

  Options:
  A) to plant seeds along the rows in a ridge.
  B) to place the correct number of seed(s) into a hole with regular spacing within and between rows
  C) to plant seeds by random scattering of seeds about the field.
  D) to place the correct number of seeds into the soil
  Show Answer
  The correct answer is C .
• Question 184:

  Which of the following requires Silicon (Si) for its growth?

  Options:
  A) Maize
  B) Groundnut
  C) Rice
  D) Green grain
  Show Answer
  The correct answer is C .
• Question 185:

  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 186: Which of the following statement is a disadvantage of human power? it Options:
  A) controls other sources of farm power
  B) brings about least damage
  C) is easily available and controlled
  D) has low output
  Show Answer
  The correct answer is D .
• Question 187:

  A piece of land is said to be on lease to a farmer when the land is

  Options:
  A) inherited from the father
  B) given to him as a gift
  C) given as compensation
  D) given for a specific period on rental basis
  Show Answer
  The correct answer is D .
• Question 188:

  The best control ensure for rinderpest disease in cattle is

  Options:
  A) sanitation
  B) vaccination
  C) use of antibiotics
  D) eradication of infected stock
  Show Answer
  The correct answer is B .
• Question 189:

  ____________ is said to occur when a ration does not provide all the food nutrients in adequate quantities needed by animal.

  Options:
  A) Malnutrient
  B) Malnutritional
  C) Malnourish
  D) Malnutrition
  Show Answer
  The correct answer is D .
• Question 190:

  Smut disease of cereals is caused by a

  Options:
  A) bacterium
  B) fungus
  C) protozoan
  D) nematode
  Show Answer
  The correct answer is B .