Calcium, magnesium and sulphur are defined as
A. Primary nutrients
B. Micronutrients
C. Secondary nutrients
D. None of these
Answer: Option C
Solution(By Examveda Team)
Calcium, magnesium and sulphur are defined as Secondary nutrients.Secondary nutrients are those that plants require in smaller quantities.
Calcium regulates the transport of other nutrients into the plant and is also involved in the activation of certain plant enzymes.
The outstanding role of magnesium in plant nutrition is as a constituent of the chlorophyll molecule.
Sulphur is a structural component of some amino acids and vitamins, and is essential for chloroplast growth and function.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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