A) less important in nutrition than macro-nutrients
B) as important in nutrition as macro-nutrients
C) may be omitted from culture media without any detrimental effect on the plant
D) called micro because they play only minor role in nutrition
Correct Answer: B
Solution :
Micro-nutrients are the minerals/elements which are required in less amount by the plants and thus are present in less quantity in the plants but these are as important as the macro- nutrients. Examples of micro-nutrients iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), boron (B) and chlorine (Cl).You need to login to perform this action.
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