Biology
Minerals and Nutrients
936 Questions
Review essential biology concepts regarding minerals and nutrients in this question bank. It covers trace elements required by plants and minerals crucial for human blood and bone formation. These facts frequently appear in general science exams.
Essential plant micronutrientsChlorophyll synthesis elementsHuman blood and bone mineralsTrace elements in physiology
Minerals and Nutrients Questions
Which mineral is essential for preventing anemia in poultry?
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Iron
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Copper
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Zinc
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Manganese
A
Correct answer
Explanation
Iron is essential for preventing anemia in poultry, as it plays a vital role in the production of red blood cells.
What is the primary building block of coral reefs?
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Calcium Carbonate
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Silica
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Chitin
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Lignin
A
Correct answer
Explanation
Coral reefs are formed by the accumulation of calcium carbonate produced by coral polyps.
Which of the following is NOT a macronutrient required by plants?
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Nitrogen
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Phosphorus
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Potassium
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Calcium
D
Correct answer
Explanation
Nitrogen, phosphorus, and potassium are macronutrients required by plants in large quantities for growth and development. Calcium is a secondary nutrient required in smaller amounts.
What is the role of phosphorus in plant growth?
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It is a macronutrient essential for plant growth
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It helps in photosynthesis
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It is a component of DNA and RNA
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All of the above
D
Correct answer
Explanation
Phosphorus is a macronutrient essential for plant growth, it helps in photosynthesis, and it is a component of DNA and RNA.
Which mineral is crucial for strong bones and teeth?
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Calcium
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Iron
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Potassium
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Magnesium
A
Correct answer
Explanation
Calcium is essential for the development and maintenance of strong bones and teeth.
Which of the following ions is typically the most abundant in glacial meltwater?
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Calcium
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Magnesium
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Sodium
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Potassium
A
Correct answer
Explanation
Calcium is typically the most abundant ion in glacial meltwater due to the weathering of carbonate minerals.
Which of the following ions is typically the most abundant in glacial ice?
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Calcium
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Magnesium
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Sodium
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Potassium
C
Correct answer
Explanation
Sodium is typically the most abundant ion in glacial ice due to its high solubility.
Which of the following ions is typically the most abundant in glacial till?
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Calcium
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Magnesium
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Sodium
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Potassium
A
Correct answer
Explanation
Calcium is typically the most abundant ion in glacial till due to the weathering of carbonate minerals.
Which element is responsible for the green color of plants?
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Nitrogen
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Phosphorus
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Potassium
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Chlorophyll
D
Correct answer
Explanation
Chlorophyll, a green pigment found in plant cells, is responsible for capturing sunlight and converting it into chemical energy through photosynthesis.
Which element is responsible for the formation of chlorophyll in plants?
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Nitrogen
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Phosphorus
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Magnesium
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Iron
C
Correct answer
Explanation
Magnesium is a crucial element for chlorophyll formation, which is essential for photosynthesis and the production of energy in plants.
Which element is essential for the synthesis of proteins and nucleic acids in plants?
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Nitrogen
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Phosphorus
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Potassium
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Calcium
A
Correct answer
Explanation
Nitrogen is a crucial element for the synthesis of proteins and nucleic acids, which are essential components of plant cells and play vital roles in various physiological processes.
Which element is essential for the synthesis of chlorophyll and plays a role in photosynthesis?
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Nitrogen
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Phosphorus
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Magnesium
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Iron
C
Correct answer
Explanation
Magnesium is an essential element for the synthesis of chlorophyll and plays a crucial role in photosynthesis, the process by which plants convert sunlight into energy.
Which mineral is commonly added to bread to improve its nutritional value?
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Calcium
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Iron
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Iodine
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All of the above
D
Correct answer
Explanation
Calcium, iron, and iodine are all commonly added to bread to improve its nutritional value. Calcium is important for bone health, iron is essential for red blood cell production, and iodine is necessary for thyroid function.
Which macronutrient is responsible for building and repairing muscle tissue?
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Protein
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Carbohydrates
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Fats
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Minerals
A
Correct answer
Explanation
Protein is essential for building and repairing muscle tissue, as well as for producing enzymes and hormones.
Which mineral is essential for the production of red blood cells and the prevention of anemia?
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Calcium
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Iron
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Potassium
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Magnesium
B
Correct answer
Explanation
Iron is a vital mineral that plays a crucial role in the production of red blood cells and the prevention of anemia.