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
  1. iron and sodium

  2. calcium and iron

  3. sodium and calcium

  4. iron and magnesium

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

During pregnancy, the fetus requires significant amounts of iron for blood production and calcium for bone development, often leading to deficiencies in the mother if not supplemented.

Multiple choice
  1. (i) - (C), (ii) - (B), (iii) - (D), (iv) - (A)

  2. (i) - (A), (ii) - (B), (iii) - (D), (iv) - (C)

  3. (i) - (B), (ii) - (D), (iii) - (A), (iv) - (C)

  4. (i) - (C), (ii) - (D), (iii) - (A), (iv) - (B)

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

Vitamin K deficiency leads to hemorrhagic disease (B), Vitamin D deficiency causes rickets (D), Vitamin B1 deficiency causes beri-beri (A), and Vitamin A deficiency causes keratomalacia (C). This matches option C.

Multiple choice
  1. Kidney damage and paralysis of muscle

  2. Anaemia

  3. Pain in joints and blurred vision

  4. Low blood pressure

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

Potassium is essential for nerve transmission and muscle contraction. A deficiency, known as hypokalemia, can lead to muscle weakness, paralysis, and cardiac issues.

Multiple choice
  1. rickets

  2. beri-beri

  3. scurvy

  4. osteomalacia

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

In adults, deficiency of vitamin D causes osteomalacia (weak bones liable to easy fracture) and in children, it causes rickets (Softness and deformities) of bones like bow-legs, and pigeon chests. 

Multiple choice
  1. albinism

  2. porphyria

  3. Wilson's disease

  4. phenylketonuria

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

Phenylketonuria is disorder caused by the defect in amino acid metabolism. Children suffering with phenylketonuria are unable to breakdown phenyl pyruvic acid into hydroxyl phenyl pyruvic acid. Accumulation of phenyl pyruvic acid causes mental disorder. 

Multiple choice
  1. Vitamin C

  2. Carbohydrates

  3. Calcium

  4. Proteins

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

Deficiency of proteins in the diet for a long time results in swelling of face, swollen neck, under growth of the body and diarrhea etc. This is because proteins are the building blocks of the body and should be taken in sufficient amount. 

Multiple choice
  1. Deficiency of vitamin D - Rickets

  2. Deficiency of vitamin C - Scurvy

  3. Deficiency of vitamin B - Beri-beri

  4. Deficiency of vitamin A -- Dehydration

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

Deficiency of vitamin D - Rickets Deficiency of vitamin C - Scurvy Deficiency of vitamin B - Beri-beri Excess loss of water -- Dehydration

Multiple choice
  1. He may become lean and thin.

  2. His growth may stop completely.

  3. He may become unable to walk.

  4. All of the above

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

A person who does not take proteins and carbohydrates in his diet for long, he may become so lean and thin that he will not be able to walk properly and his growth may also stop completely. This is because these two are the major nutrients for our body. 

Multiple choice
  1. C

  2. A

  3. B1

  4. D

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

Lack of any nutrient in the body causes one or the other diseases in the body.

For example, Deficiency of vitamin D - Rickets Deficiency of vitamin C - Scurvy

Deficiency of vitamin B - Beriberi etc. 

Multiple choice
  1. Vitamins and minerals

  2. Carbohydrates and proteins

  3. Vitamins and proteins

  4. Vitamins and carbohydrates

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

A person who does not take proteins and carbohydrates in his diet for a long time, may become so lean that he will not be able to walk properly and his growth may also stop completely. This is because these two are the major nutrients for our body. 

Multiple choice
  1. A - I, B- II, C - IV, D - III

  2. A - III, B- IV, C - I, D - II

  3. A - II, B - III, C - IV, D - I

  4. A - I, B- III, C - IV, D - II

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

Scurvy - Deficiency of vitamin C Goiter - Deficiency of iodine Rickets - Deficiency of vitamin D Beriberi - Deficiency of vitamin B. 

Multiple choice
  1. deficiency of mg

  2. deficiency of fe

  3. deficiency of ca

  4. deficiency of al

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

The main cause of anemia is iron.