Biology

Minerals and Nutrients

849 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 element is the limiting factor for primary production in vast regions of the ocean?

  1. Nitrogen

  2. Phosphorus

  3. Iron

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

Iron is a limiting factor for primary production in many parts of the ocean, particularly in high-nutrient, low-chlorophyll regions.

Multiple choice

Which mineral is crucial for maintaining strong bones and teeth?

  1. Calcium

  2. Iron

  3. Potassium

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

Calcium is essential for maintaining strong bones and teeth, as it helps in the formation and mineralization of these tissues.

Multiple choice

Which nutrient is essential for the production of red blood cells?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iron is essential for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

Which mineral is crucial for maintaining a healthy heart rhythm?

  1. Sodium

  2. Potassium

  3. Magnesium

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

Potassium is crucial for maintaining a healthy heart rhythm and regulating blood pressure.

Multiple choice

Which of the following is NOT a macronutrient required by animals?

  1. Carbon

  2. Hydrogen

  3. Oxygen

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

Nitrogen is a macronutrient required by plants, but not by animals.

Multiple choice

Which of the following trace elements is used in the production of fertilizers?

  1. Phosphorus

  2. Potassium

  3. Nitrogen

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

Phosphorus, potassium, and nitrogen are all used in the production of fertilizers, as they are essential nutrients for plant growth.

Multiple choice

Which of the following is NOT a mineral?

  1. Calcium

  2. Iron

  3. Sodium

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

Calcium, iron, and sodium are minerals, while Vitamin C is a vitamin.

Multiple choice

What is the primary function of calcium in the body?

  1. Building and maintaining bones

  2. Regulating muscle contractions

  3. Transmitting nerve impulses

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

Calcium is essential for building and maintaining bones, regulating muscle contractions, and transmitting nerve impulses.

Multiple choice

What is the primary function of sodium in the body?

  1. Regulating blood pressure

  2. Maintaining fluid balance

  3. Transmitting nerve impulses

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

Sodium is essential for regulating blood pressure, maintaining fluid balance, and transmitting nerve impulses.