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

Multiple choice

Which mineral is important for muscle function?

  1. Calcium

  2. Iron

  3. Magnesium

  4. Potassium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Magnesium is important for muscle function.

Multiple choice

Which of the following is a micronutrient?

  1. Iron

  2. Sodium

  3. Potassium

  4. Magnesium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Micronutrients are nutrients that the body needs in small amounts to function properly. Iron is a micronutrient that is essential for the production of red blood cells.

Multiple choice

Which mineral is commonly used in homeopathy for its purported ability to boost immunity?

  1. Zinc

  2. Calcium

  3. Magnesium

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Zinc is a mineral often used in homeopathic remedies, believed to enhance immune function and protect against infections.

Multiple choice

Which element is responsible for the salinity of seawater?

  1. Sodium

  2. Chlorine

  3. Magnesium

  4. Potassium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorine is the dominant element contributing to the salinity of seawater, accounting for approximately 55% of the total dissolved solids.

Multiple choice

Which nutrient is often a limiting factor for primary productivity in marine ecosystems?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

  4. Iron
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Iron is a crucial micronutrient for phytoplankton growth, and its availability can limit primary productivity in certain regions of the ocean.

Multiple choice

Which element is responsible for the formation of coral reefs?

  1. Calcium

  2. Magnesium

  3. Sodium

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium is essential for the formation of coral skeletons, which are composed primarily of calcium carbonate.

Multiple choice

Which element is responsible for the formation of marine snow?

  1. Calcium

  2. Magnesium

  3. Sodium

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium is essential for the formation of marine snow, which is composed of aggregates of organic matter, calcium carbonate, and other particles.

Multiple choice

Which element is responsible for the formation of marine aerosols?

  1. Calcium

  2. Magnesium

  3. Sodium

  4. Potassium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sodium is a major component of marine aerosols, which are tiny particles of sea salt that are released into the atmosphere through wave action and wind.

Multiple choice

Which element is responsible for the formation of marine carbonates?

  1. Calcium

  2. Magnesium

  3. Sodium

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium is essential for the formation of marine carbonates, which are found in the shells of marine organisms and in marine sediments.

Multiple choice

Which nutrient is commonly deficient in acidic soils?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

  4. Calcium
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acidic soils often have low levels of calcium, which can lead to nutrient imbalances and reduced plant growth. Liming is a common practice to raise soil pH and increase calcium availability.

Multiple choice

What is the primary role of magnesium in plant growth?

  1. It promotes chlorophyll production.

  2. It enhances photosynthesis.

  3. It aids in energy transfer.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Magnesium plays a vital role in plant growth by promoting chlorophyll production, enhancing photosynthesis, and aiding in energy transfer. It is an essential nutrient for plant growth and productivity.

Multiple choice

What is the primary role of calcium in plant growth?

  1. It promotes cell division.

  2. It enhances root development.

  3. It aids in nutrient uptake.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calcium plays a vital role in plant growth by promoting cell division, enhancing root development, and aiding in nutrient uptake. It is an essential nutrient for plant growth and productivity.

Multiple choice

Which mineral is essential for maintaining healthy bones and teeth?

  1. Calcium

  2. Potassium

  3. Magnesium

  4. Iron
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium is a vital mineral for maintaining strong bones and teeth, as well as supporting nerve and muscle function.

Multiple choice

Legumes and pulses are a rich source of which essential nutrient?

  1. Iron

  2. Calcium

  3. Vitamin C

  4. Sodium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Legumes and pulses are an excellent source of iron, which is essential for red blood cell production and oxygen transport.

Multiple choice

Which mineral is essential for strong bones and teeth?

  1. Calcium

  2. Iron

  3. Zinc

  4. Magnesium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium is essential for strong bones and teeth.