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 nutrient is important for the maintenance of healthy bones and teeth?
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Calcium
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Phosphorus
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Magnesium
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Vitamin D
A
Correct answer
Explanation
Calcium is important for the maintenance of healthy bones and teeth. It also helps in muscle contraction, nerve transmission, and blood clotting.
Which of the following is a macronutrient?
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Nitrogen
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Phosphorus
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Potassium
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All of the above
D
Correct answer
Explanation
Nitrogen, phosphorus, and potassium are all macronutrients, which are essential for plant growth.
Which of the following is a micronutrient?
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Iron
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Zinc
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Copper
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All of the above
D
Correct answer
Explanation
Iron, zinc, and copper are all micronutrients, which are needed in small amounts for plant growth.
Cashew milk is a good source of which essential mineral?
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Calcium
-
Iron
-
Potassium
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Magnesium
D
Correct answer
Explanation
Cashew milk is a good source of magnesium, which is important for various bodily functions, including muscle and nerve function.
Which mineral is essential for the production of red blood cells?
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Calcium
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Iron
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Magnesium
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Potassium
B
Correct answer
Explanation
Iron is a mineral that is necessary for the production of red blood cells, which carry oxygen throughout the body.
Which nutrient is commonly deficient in sandy soils?
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Nitrogen
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Phosphorus
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Potassium
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Calcium
C
Correct answer
Explanation
Sandy soils are prone to potassium deficiency due to their low cation exchange capacity and leaching potential. Potassium is an essential nutrient for plant growth and plays a crucial role in water regulation, photosynthesis, and starch synthesis.
What is the primary function of magnesium in plant growth?
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Activating enzymes
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Promoting chlorophyll production
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Enhancing seed germination
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Improving root development
A
Correct answer
Explanation
Magnesium is primarily involved in activating enzymes, which are essential for various metabolic processes in plants. It also plays a role in chlorophyll production, photosynthesis, and seed germination.
What is the role of calcium in plant growth?
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Promoting cell division
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Enhancing fruit quality
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Strengthening cell walls
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All of the above
D
Correct answer
Explanation
Calcium plays a vital role in plant growth by promoting cell division, enhancing fruit quality, and strengthening cell walls. It also aids in nutrient uptake and translocation within the plant.
What is the role of manganese in plant growth?
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Activating enzymes
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Promoting photosynthesis
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Enhancing disease resistance
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All of the above
D
Correct answer
Explanation
Manganese plays a multifaceted role in plant growth by activating enzymes, promoting photosynthesis, enhancing disease resistance, and contributing to overall plant vigor.
Which mineral is important for the production of red blood cells?
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Iron
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Calcium
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Potassium
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Magnesium
A
Correct answer
Explanation
Iron is a crucial component of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.
Which mineral is essential for maintaining a healthy heart rhythm?
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Sodium
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Potassium
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Phosphorus
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Chloride
B
Correct answer
Explanation
Potassium plays a vital role in regulating the heart's electrical activity, maintaining a normal heart rhythm.
Which mineral is necessary for the proper functioning of the thyroid gland?
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Iodine
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Selenium
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Zinc
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Copper
A
Correct answer
Explanation
Iodine is a crucial component of thyroid hormones, which regulate metabolism, growth, and development.
Which mineral is important for strong bones and teeth?
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Calcium
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Phosphorus
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Magnesium
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Potassium
A
Correct answer
Explanation
Calcium is essential for the development and maintenance of strong bones and teeth.
Which mineral is essential for the proper functioning of the immune system?
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Zinc
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Selenium
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Copper
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Iron
A
Correct answer
Explanation
Zinc is vital for the proper functioning of the immune system, supporting immune cell activity and protecting against infections.
Which mineral is important for the transmission of nerve impulses?
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Sodium
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Potassium
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Calcium
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Magnesium
A
Correct answer
Explanation
Sodium plays a crucial role in the transmission of nerve impulses and the regulation of fluid balance in the body.