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

Which of the following statements is TRUE regarding the vitamins?

  1. Excess intake of vitamin A leads to severe toxic reactions in the body.

  2. Vitamin B2 deficiency leads to severe muscular disorders in an individual.

  3. Vitamin B12 deficiency causes microcytic anemia in females.

  4. Rickets in adults can be prevented by large doses of vitamin D.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct statement. Excess vitamin A is highly toxic and can cause a variety of neurological problems.

Multiple choice

In which of the following conditions a person is suggested to take ORS?

  1. Vitamin deficiency

  2. Dehydration

  3. Sweating

  4. Constipation

  5. Protein deficiency
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When our body loses large quantities of water due to excessive sweating, vomiting or through loose motions, the condition is called dehydration. In extreme cases of dehydration we must take Oral Rehydration Solution (ORS). The salts present in the ORS packet replace the vital salts that are lost. Dehydration can be life threatening.

Multiple choice

Name the disease in which large pot-like belly is formed due to deficiency of proteins in the diet.

  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

Anemia is not caused by

  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

Deficiency of vitamin D causes

  1. rickets

  2. pimpled skin

  3. night blindness

  4. lowered resistance to infections

  5. heart failure
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Deficiency of vitamin D causes rickets in children.

Multiple choice

Pernicious anaemia is caused due to the deficiency of

  1. vitamin A

  2. vitamin C

  3. vitamin D

  4. vitamin B6

  5. vitamin B12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pernicious anaemia is caused due to the deficiency of vitamin B12, not vitamin B6. Pernicious anaemia is caused due to the deficiency of vitamin B12.