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

Craniotabes is the sign of deficiency of

  1. vitamin K

  2. vitamin D

  3. vitamin E

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

Craniotabes is caused by vitamin D deficiency in children. Craniotabes is seen mostly in the occipital and parietal bones. The bones become soft and when pressure is applied on them, they will collapse underneath it. When the pressure is relieved, the bones usually snap back into place.

Multiple choice

What is avitaminosis?

  1. It is a disease caused due to malnutrition.

  2. It is the condition of poor vision.

  3. It is the condition arising due to over nutrition.

  4. It is the condition when bones become soft and bent.

  5. It is a condition due to long term deficiency of vitamin D.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This statement is true for avitaminosis.

Multiple choice

Phrynoderma is the disease caused due to the deficiency of

  1. fatty acids

  2. vitamin D

  3. minerals

  4. vitamin A

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It has been observed that Phrynoderma is a primarily vitamin deficiency disease. While there are certain other reasons responsible for causing this disease, the major reason behind toad skin is that sometimes the body becomes excessively deficit in certain vitamins like vitamin A, vitamin B complex and vitamin E, and as a result the chances of this kind of disorder tend to increase.

Multiple choice

Which of the following diseases are caused due to deficiency of fat soluble vitamins?

  1. Xerophthalmia, Rickets and Scurvy

  2. Scurvy, Hyperglycaemia and Nyctalopia

  3. Beriberi, Rickets and Scurvy

  4. Nyctalopia, Xerophthalmia and Rickets

  5. Xerophthalmia, Hyperglycaemia and Rickets
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nyctalopia: Caused due to deficiency of Vitamin A (Fat soluble) Xerophthalmia: Caused due to deficiency of Vitamin A (Fat soluble) Rickets: Caused due to deficiency of Vitamin D (Fat soluble)

Multiple choice

Which of the following deficiencies may develop in a strict vegetarian?

  1. Nicotinic acid

  2. Protein

  3. Thiamine

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

Cyanocobalamin (Vitamin B12) is primarily found in animal products like meat, eggs, and dairy. Strict vegetarians who consume no animal products are at risk of B12 deficiency since plant sources are unreliable. The other options (nicotinic acid/niacin, protein, and thiamine) are readily available in plant-based foods.

Multiple choice

Osteoporosis is caused due to the deficiency of

  1. vitamin A

  2. vitamin B

  3. vitamin C

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

Osteoporosis is the thinning of bone tissue and loss of bone density over time. Osteoporosis is the most common type of bone disease. Osteoporosis is the disease due to deficiency of vitamin D.

Multiple choice

Why does Gaucher's disease occur?

  1. Due to abnormal protein metabolism

  2. Due to abnormal carbohydrate metabolism

  3. Due to deficiency of vitamins

  4. Due to abnormal nucleic acid metabolism

  5. Due to abnormal fat metabolism
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is a genetic disease in which a fatty substance ( lipid) accumulates in cells and certain organs.