Biology

Deficiency Diseases and Disorders

706 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
  1. (i) and (iv)

  2. (i) and (ii)

  3. (ii) and (iii)

  4. (iii) and (iv)

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

Many of the deficiency diseases occur during childhood as this is the period of growth when the body requires plenty of nutrients.

Multiple choice
  1. Marasmus

  2. Anemia

  3. Goitre

  4. Kwashiorkor

  5. Beriberi

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

Deficiency of proteins in children leads to a deficiency disease called kwashiorkor. Its symptoms are stunted growth, swelling of face, lethargy, discolouration of hair and a large pot-like belly. The large extended abdomen or pot belly or protruding abdomen is due to the accumulation of body fluids and fat.

Multiple choice
  1. blood loss from the body

  2. inadequate secretion of erythropoietin

  3. polycythemia

  4. excessive destruction of erythrocytes

  5. bone marrow failure

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

This is an opposite to anemia. Polycythemia is a bone marrow disease that leads to an abnormal increase in the number of blood cells, primarily red blood cells.

Multiple choice
  1. a - 2, b - 3, c - 1

  2. a - 2, b - 1, c - 3

  3. a - 1, b - 2, c - 3

  4. a - 3, b - 2, c - 1

  5. a - 1, b - 3, c - 2

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

This is the correct option. Defective genes passed on from parents to offsprings cause inherited diseases. Organs and tissues wearing away and not working so well with age cause degenerative diseases. Social interaction with family, friends and strangers causes social diseases.