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

General metabolilsm of the body is affected due to the deficiency of ______.

  1. iron

  2. iodine

  3. calcium

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

Iodine is essential for thyroid hormone synthesis, and these hormones regulate the body's basal metabolic rate. Iodine deficiency causes hypothyroidism, characterized by fatigue, weight gain, and slowed metabolism due to reduced thyroid hormone production. The question contains a minor typo ("metabolilsm").

Multiple choice

Osteoporosis is the disease due to 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

Night blindness is caused by lack of which vitamin?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

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

Vitamin A deficiency is a lack of vitamin A in humans. It is common in developing countries but rarely seen in developed countries. Night blindness is one of the first signs of vitamin A deficiency.