passwella.
Menu

WAEC Agricultural Science 2011 Question 10

Question 10

Soil Fertility and Plant Nutrition

Which of the following statements is correct about micro-nutrients? They

  1. A.promote formation of only root nodules.
  2. B.are required by plants in very small quantities.
  3. C.are fixed into the soil through microbial activity.
  4. D.increase crop tolerance to pest attack.
Show the answer and explanation

Answer: B (are required by plants in very small quantities.)

Explanation

Micro-nutrients (trace elements) are essential but needed only in tiny amounts.