Class 9 Biology MCQs – Practice Test for Exam Prep

Macronutrients Multiple Choice Questions with Answers – PDF Download

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Free "Macronutrients MCQ" App Download with MCQ: Major macronutrient which is the component of enzymes and vitamins is; with answers: calcium phosphate, carbon dioxide, sulphur, and sea salt for biology school performance improvement. Solve Nutrition Quiz Questions, download Apple Book (Free Chapter) to learn human biology online.

Macronutrients MCQs PDF Download – Prep Test

MCQ 1: The major macronutrient which is the component of enzymes and vitamins is:

calcium phosphate
carbon dioxide
Sulphur
sea salt

MCQ 2: The macronutrients include all except:

potassium
iron
magnesium
nitrogen

MCQ 3: The macronutrient which is a structural component of the cell wall and activates the enzymes is:

boron dioxide
carbon monoxide
nitrogen dioxide
calcium

MCQ 4: The macronutrient which regulates the closing and opening of the stoma and reduces the loss of water from leaves is:

potassium
methane
urea
nitrogen

MCQ 5: The macronutrient which is a component of coenzymes and nucleic acids for protein seed germination and protein formation is:

sodium chloride
phosphorus
monosodium glutamate
ethane

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