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 element becomes more toxic to plants in acidic soils?

  1. Iron

  2. Zinc

  3. Manganese

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

Aluminum toxicity is a common problem in acidic soils, affecting root development and nutrient uptake in plants.

Multiple choice

Legumes and pulses are a good source of which mineral?

  1. Iron

  2. Calcium

  3. Potassium

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

Legumes and pulses are a good source of iron, calcium, and potassium.

Multiple choice

What is the role of minerals in cellular metabolism?

  1. Energy storage

  2. Genetic material

  3. Cofactors for enzymes

  4. Structural components of cells
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Minerals are inorganic elements that are required in small amounts for various metabolic processes. They often act as cofactors for enzymes, helping them to catalyze specific chemical reactions.

Multiple choice

Which of the following nutrients is important for pregnant women to consume?

  1. Iron

  2. Calcium

  3. Folic acid

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

Iron, calcium, and folic acid are all important nutrients for pregnant women to consume.

Multiple choice

Which of the following is a primary macronutrient required by plants?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

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

Nitrogen is a primary macronutrient essential for plant growth and development.

Multiple choice

What is the primary role of potassium fertilizers in plant nutrition?

  1. Nitrogen fixation

  2. Photosynthesis

  3. Starch synthesis

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

Potassium plays a crucial role in starch synthesis and carbohydrate metabolism in plants.

Multiple choice

Which of the following is a micronutrient required by plants in small quantities?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

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

Boron is a micronutrient essential for plant growth and development.

Multiple choice

What is the primary role of calcium in plant nutrition?

  1. Nitrogen fixation

  2. Photosynthesis

  3. Starch synthesis

  4. Cell wall formation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calcium plays a crucial role in cell wall formation and membrane stability in plants.

Multiple choice

Which soil nutrient is essential for plant growth and is often deficient in Indian soils?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

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

Nitrogen is an essential soil nutrient for plant growth and is often deficient in Indian soils. Nitrogen deficiency can lead to stunted growth, yellowing of leaves, and reduced crop yields.

Multiple choice

Which soil nutrient is essential for photosynthesis and is often applied as a fertilizer to improve crop quality?

  1. Nitrogen

  2. Phosphorus

  3. Potassium

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

Potassium is essential for photosynthesis and is often applied as a fertilizer to improve crop quality. Potassium deficiency can lead to poor fruit and grain development, reduced resistance to pests and diseases, and increased susceptibility to drought.

Multiple choice

Which nutrient is essential for the formation and maintenance of bones and teeth?

  1. Calcium

  2. Iron

  3. Vitamin C

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

Calcium is essential for the formation and maintenance of bones and teeth. It also plays a role in muscle contraction, nerve transmission, and blood clotting.

Multiple choice

Which nutrient is necessary for the production of thyroid hormones?

  1. Iodine

  2. Zinc

  3. Selenium

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

Iodine is essential for the production of thyroid hormones. It also plays a role in brain development and metabolism.

Multiple choice

Which nutrient is responsible for transporting oxygen and nutrients to cells?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Minerals, particularly iron, are essential for transporting oxygen and nutrients to cells through the bloodstream.

Multiple choice

Which of the following heavy metals is known to cause skeletal deformities in marine organisms?

  1. Cadmium

  2. Copper

  3. Zinc

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

Cadmium is a heavy metal that can cause skeletal deformities in marine organisms, particularly in fish, by interfering with calcium metabolism.

Multiple choice

Which mineral is essential for muscle function?

  1. Calcium

  2. Iron

  3. Magnesium

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

Potassium is essential for the transmission of nerve impulses and muscle contractions.