Question 1.Name the disease that is caused by the deficiency of blood in the body.
Answer: Anaemia is caused by the deficiency of blood in the body.
Question 2. Write the name of deficiency disease found in the children, if they are weaned from mother’s milk in infancy.
Answer: Protein-energy malnutrition disease found in the children, if they are weaned from mother’s milk in infancy.
Question 3. Tick (✓) the right and cross (✗) the wrong sentences :
(a) Night blindness is caused due to the deficiency of Vitamin A. (✓)
(b) Deficiency of Iron causes anaemia. (✓)
(c) The citrus fruits contain vitamin D.
(×)
(d) Swelling legs occurs due to Goitre.
(×)
(e) Mother’s milk is a complete diet for a child.
(✓)
Question 4.Fill in the blanks :
(sea food, iodine, vitamin C, milk)
(a) Bleeding of gums occurs due to deficiency of vitamin C .
(b) Deficiency of iodine can be prevented by taking sea food .
(c) Deficiency of iodine causes goitre.
(d) Milk is a balanced diet.
Question 5. What are deficiency diseases?
Answer: Diseases caused due to deficiency of some necessary nutrients in the body are known as deficiency diseases. As anemia is caused due to the deficiency of iron in the body.
Question 6. Name all the nutrients present in a balanced diet.
Answer: Balanced diet contains all the nutrients like fats, carbohydrates, proteins, vitamins, minerals, etc.
Question 7. White patches over nails are a symptom of which disease?
Answer: White patches over nails are a symptom of Anemia.
Question 8. Complete the following columns based on the information about deficiency diseases read in this lesson.
Answer: Name of Disease - Due to deficiency of which nutrient - Symptoms
Night blindness - Vitamin A - Weak eyesight
Scurvy - Vitamin C - Swelling and bleeding in gums
Goiter - Iodine - swelling on the lower part of throat
Anemia - iron - white patches over nails
Rickets - Vitamin D - Weak bones
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