Plant nutrition UE Past Papers Questions.


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(4335) Question Category: Long answers

Deficiency symptoms of molybdenum in plants are basically the deficiency symptoms of nitrogen. Discuss.

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(4336) Question Category: Long answers

Briefly describe the role of potassium in regulating water loses in plant.

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(4337) Question Category: Practical

Name two compounds and one element that constitute the mixed catalyst used in the process of wet digestion during N determination in plant samples.

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(4338) Question Category: Practical

What is the function of the following reagents during total N determination?

  1. concentrated H_{2}SO_{4}
  2. catalyst mixture
  3. saturated NaOH
  4. boric acid H_{3}BO_{3}
  5. dilute H_{2}SO_{4}

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(4339) Question Category: Practical

Define and briefly state the importance of each of the following terms.

  1. A standard sample
  2. A blank
  3. Critical nutrient value
  4. Critical nutrient range

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