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Plant Nutrients - Essential Elements and Deficiencies

Questions about major and minor nutrients required by plants, their functions, deficiency symptoms, and techniques for studying nutrient requirements

11 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is a major nutrient required by plants?

  1. Zinc
  2. Copper
  3. Magnesium
  4. Molybdenum
Question 2 Multiple Choice (Single Answer)

Solution culture technique is used for

  1. finding rate of assimilation of nutrients
  2. finding concentration of each nutrient
  3. finding essentiality of a particular nutrient
  4. micropropagation of plants
Question 3 Multiple Choice (Single Answer)

Which of the following minerals is non-essential for plant growth?

  1. Gallium
  2. Silicon
  3. Cobalt
  4. Beryllium
Question 4 Multiple Choice (Single Answer)

What are framework elements required for?

  1. Regulation of H+ ion concentration of the cell
  2. Regulation of osmotic pressure of the cell
  3. Production of carbohydrates
  4. To carry out some major catalysis reactions
Question 5 Multiple Choice (Single Answer)

Which salt is not present in Sach's culture medium used for solution culture technique?

  1. KNO3
  2. KH2PO4
  3. FeSO4
  4. MgSO4.7H2O
Question 6 Multiple Choice (Single Answer)

Which element is the one and only component of chlorophyll molecule?

  1. Calcium
  2. Magnesium
  3. Manganese
  4. Potassium
Question 7 Multiple Choice (Single Answer)

Which element deficiency causes acceleration in the rate of formation of purple pigment anthocyanin?

  1. Sulphur
  2. Nitrogen
  3. Phosphorus
  4. Calcium
Question 8 Multiple Choice (Single Answer)

Which of the following elements is essential for the formation of prophyrins?

  1. Sulphur
  2. Nitrogen
  3. Potassium
  4. Phosphorus
Question 9 Multiple Choice (Single Answer)

Biotin, thiamine and co-enzyme A are

  1. constituents of middle lamella
  2. vitamins whose deficiency causes premature leaf fall in plants
  3. sulphur-containing vitamins
  4. vitamins whose deficiency inhibits protein synthesis
Question 10 Multiple Choice (Single Answer)

Deficiency of which element causes excessive interveinal chlorosis?

  1. Magnesium
  2. Calcium
  3. Chlorine
  4. Phosphorus
Question 11 Multiple Choice (Single Answer)

Match the columns:

 
Name of Element 
        </strong>|<strong>Specific Role in plants</strong>|

|1. Manganese|a. In the transfer of electron to P.S. II|
|2. Boron|b. Catalyses oxidation reduction reactions|
|3. Copper|c. Facilitates translocation of sugars|
|4. Chlorine|d. Required during evolution of O2 in photosynthesis|


  1. | ||
    |---|---|
    |1. Manganese|d. Required during evolution of O2 in Photosynthesis|
    |2. Boron|c. Facilitates translocation of sugars|
    |3. Copper|b. Catalyzes oxidation reduction reaction|
    |4. Chlorine|a. In the transfer of electrons to P.S.II|

  2. | ||
    |---|---|
    |1. Manganese|a. In the transfer of electrons to P.S. II|
    |2. Boron|d. Required during evolution of O2 in photosynthesis|
    |3. Copper|c. Facilitates translocation of sugars|
    |4. Chlorine|b. Catalyses oxidation reduction reaction|

  3. | ||
    |---|---|
    |1. Manganese|b. Catalyses oxidation reduction reactions|
    |2.Boron|c. Facilitates translocation of sugars|
    |3. Copper|d. Required during evolution of O2 in photosynthesis|
    |4. Chlorine|a. In the transfer of electrons to P.S. II|

  4. | ||
    |---|---|
    |1. Manganese|c. Required during evolution of O2 in photosyntesis|
    |2. Boron|b. Catalyses oxidation reduction reactions|
    |3. Copper|d. Required during evolution of O2 in photosynthesis|
    |4. Chlorine|a. In the transfer of electrons to P.S. II|
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