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. pellagra

  2. cheilosis

  3. anaemia

  4. scurvy

  5. night blindness

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

It is a disease resulting from a deficiency of vitamin C,  which is required for the synthesis of collagen in humans. Citrus fruits are given for the deficiency of vitamin C.

Multiple choice
  1. Iron-Anaemia

  2. Nicotinic acid-Pellagra

  3. Vitamin D-Rickets

  4. Osteoarthritis-Arthritis

  5. Vitamin A-T.B.

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

Deficiency of Vitamin A does not cause TB. Hence, it is not a correct pair.

Multiple choice
  1. goitre

  2. night blindedness

  3. beri beri

  4. scurvy

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

A goitre is a swelling of the neck or larynx resulting from enlargement of the thyroid gland (thyromegaly), associated with a thyroid gland that is not functioning properly. The main reason is deficiency of iodine in the diet which is required for the synthesis of thyroid hormones.

Multiple choice
  1. Pellagra

  2. Macrocytic anemia

  3. Ariboflavinosis

  4. Beri-Beri

  5. NA

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

Deficiency of vitamin B3 causes pellagra. Symptoms of pellagra include dermatitis, weakness, mental confusion and diarrhea. Pellagra may lead to dementia and death in some cases. Hence, it is the correct answer.

Multiple choice
  1. vitamin B1

  2. vitamin C

  3. vitamin B3

  4. vitamin A

  5. NA

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

Deficiency of Vitamin B1 will cause Beri-Beri. Symptoms of Beri-Beri include weight loss, weakness and pain in the limbs. Edema (swelling of bodily tissues) is very common. Many patients can be treated by thiamine. It is the correct answer.

Multiple choice
  1. Scurvy

  2. Beri-Beri

  3. Night blindness

  4. Osteomalacia

  5. NA

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

Osteomalacia is a disease in adults that results from vitamin D deficiency. Characteristics of this disease are softening of bones, curving of legs, muscle weakness, bone fragility and increased risk for fractures. Hence, it is the correct answer.

Multiple choice
  1. Excessive intake of iron

  2. Deficiency of iron

  3. Excessive intake of vitamins

  4. Deficiency of vitamins

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

Anaemia refers to low haemoglobin/blood level in the body which occurs when we do not take enough iron in our diet. This is because iron forms haemoglobin, which is a major component of our blood. 

Multiple choice
  1. 1, 3 and 5

  2. 1 and 4

  3. 2 and 4

  4. 2, 3 and 4

  5. 3 and 5

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

Correct answer. Both are wrongly matched. Pellagra is a vitamin deficiency disease most commonly caused by a chronic lack of niacin (vitamin B3). Pernicious anaemia caused when the body does not make enough red blood cells due to lack of cyanocobalamin (vitamin B12).

Multiple choice
  1. Osteomalacia, pellagra, xerophthalmia

  2. Hyperglycemia, rickets, scurvy

  3. Hyperglycemia, rickets, pellagra

  4. Hyperglycemia, pellagra, scurvy

  5. Osteomalacia, rickets, xerophthalmia

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

Osteomalacia is caused due to deficiency of vitamin D (fat soluble vitamin). Rickets is caused due to deficiency of vitamin D (fat soluble vitamin). Xerophthalmia is caused due to deficiency of vitamin A (fat soluble vitamin).