Biology

Deficiency Diseases and Disorders

722 Questions

Deficiency diseases and disorders are caused by a lack of essential nutrients, vitamins, and minerals in the diet or environment. This includes conditions like anemia, goitre, and night blindness. Practice these questions to prepare for general science exams.

Vitamin deficiency symptomsMineral deficiency disordersMalnutrition conceptsHormonal and specific diseases

Deficiency Diseases and Disorders Questions

Multiple choice

What is the primary dietary cause of iron deficiency anemia?

  1. Lack of iron in the diet

  2. Poor absorption of iron

  3. Increased blood loss

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

Iron deficiency anemia can be caused by a combination of factors, including lack of iron in the diet, poor absorption of iron, and increased blood loss.

Multiple choice

What is the potential impact of micronutrient deficiencies on crop yield?

  1. Reduced yield

  2. Poor quality produce

  3. Increased susceptibility to pests and diseases

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

Micronutrient deficiencies can lead to reduced crop yield, poor quality produce, and increased susceptibility to pests and diseases, resulting in economic losses for farmers.

Multiple choice

Which systemic disease is associated with the development of angular cheilitis?

  1. Iron Deficiency Anemia

  2. Vitamin B12 Deficiency

  3. Riboflavin Deficiency

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

Angular cheilitis, characterized by inflammation and cracking at the corners of the mouth, can be a manifestation of iron deficiency anemia.

Multiple choice

What is the primary cause of osteoporosis in postmenopausal women?

  1. Decreased estrogen levels

  2. Aging

  3. Calcium deficiency

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

After menopause, women experience a significant decrease in estrogen levels, which can lead to rapid bone loss.

Multiple choice

What is the term for a condition in which bones become abnormally weak and brittle?

  1. Osteopenia

  2. Osteoporosis

  3. Osteomalacia

  4. Paget's disease of bone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Osteoporosis is a condition characterized by abnormally weak and brittle bones.

Multiple choice

What is the primary cause of osteoporosis, a condition that weakens bones and increases the risk of fractures?

  1. Vitamin D deficiency

  2. Calcium deficiency

  3. Estrogen deficiency

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

Estrogen deficiency, particularly after menopause, is the primary cause of osteoporosis in women.

Multiple choice

Which of the following is NOT a potential consequence of malnutrition?

  1. Stunted growth

  2. Weakened immune system

  3. Increased risk of infection

  4. Improved cognitive function
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Malnutrition is associated with stunted growth, a weakened immune system, and an increased risk of infection, but it does not improve cognitive function.

Multiple choice

Which of the following is a common nutritional deficiency among athletes?

  1. Iron

  2. Calcium

  3. Vitamin D

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

Iron is a common nutritional deficiency among athletes, especially female athletes.

Multiple choice

Which of the following is NOT a chronic disease associated with poor nutrition?

  1. Heart disease

  2. Stroke

  3. Cancer

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

Asthma is a respiratory condition, not a chronic disease associated with poor nutrition.

Multiple choice

What is the most common type of anemia?

  1. Iron-Deficiency Anemia

  2. Vitamin B12 Deficiency Anemia

  3. Aplastic Anemia

  4. Sickle Cell Anemia
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Iron-Deficiency Anemia is the most common type of anemia, caused by a deficiency of iron in the body. Iron is an essential mineral required for the production of hemoglobin, which carries oxygen in red blood cells.

Multiple choice

What is the primary cause of sickle cell anemia?

  1. Iron Deficiency

  2. Vitamin B12 Deficiency

  3. Abnormal Hemoglobin

  4. Immune System Dysfunction
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sickle cell anemia is caused by an abnormal form of hemoglobin, called sickle hemoglobin. This abnormal hemoglobin causes red blood cells to become sickle-shaped, leading to various complications, including pain, anemia, and organ damage.

Multiple choice

What is the primary cause of hemophilia?

  1. Iron Deficiency

  2. Vitamin B12 Deficiency

  3. Abnormal Hemoglobin

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

Hemophilia is caused by a genetic mutation that affects the production of clotting factors in the blood. These clotting factors are essential for the formation of blood clots, and their deficiency leads to an increased risk of bleeding.

Multiple choice

What is the term used to describe the situation where people have access to sufficient food but lack the essential nutrients needed for good health?

  1. Food insecurity

  2. Hunger

  3. Malnutrition

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

Malnutrition refers to the lack of essential nutrients needed for good health, even if people have access to sufficient food.

Multiple choice

Iron deficiency can lead to which condition?

  1. Scurvy

  2. Rickets

  3. Anemia

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

Iron deficiency results in insufficient red blood cell production, leading to anemia, characterized by fatigue, weakness, and pale skin.

Multiple choice

Which vitamin A deficiency-related condition is Golden Rice designed to address?

  1. Night blindness

  2. Scurvy

  3. Rickets

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

Golden Rice is specifically designed to address night blindness, a condition caused by vitamin A deficiency that impairs vision in dim light.