Deficiency Diseases

Author:NCERT
6th CBSE
IMPORTANT

Important Questions on Deficiency Diseases

HARD
IMPORTANT

A mineral X is essential for the formation of a component ‘Y’, in the blood of a person. The function, of component Y, is to transport oxygen in the body. The deficiency of mineral ‘X’, in the diet of a person, causes a disease Z. Identify X, Y and Z. Also mention the symptoms of disease Z.

EASY
IMPORTANT

The table below shows some common symptoms of nutrient deficiency.

Type of nutrient Symptoms due to its deficiency
Vitamin A Poor vision, loss of vision at night
Calcium Weak bones, tooth decay
Vitamin C Bleeding gums, wounds take longer to heal
Iodine Glands in the neck appear swollen

Pankaj is suffering from tooth decay and bleeding gums. Which of the following nutrients in food would help him recover?

MEDIUM
IMPORTANT

Match the items in column A with those in column B.

Column A Column B
Diseases caused Deficiency of
1. PEM a) Vitamin A
2. Beriberi b) Vitamin D
3. Scurvy c) Vitamin B
4. Goitre d) Roughage
5. Rickets e) Proteins
6. Night blindness f) Vitamin C
7. Constipation g) Iodine

 

HARD
IMPORTANT

Harsh once went to a poor family having two children. He saw that both the children had a protruding belly, swollen legs, and were underweight. He advised their parents to give children enough milk, pulses and eggs.

Answer the following questions based on the above information :

Which values are displayed by Harsh in taking this initiative?

EASY
IMPORTANT

Read the following statements about diseases.

(i) They are caused by germs.

(ii) They are caused due to lack of nutrients in our diet.

(iii) They can be passed on to another person through contact.

(iv) They can be prevented by taking a balanced diet.

Which pair of statements best describe a deficiency disease?

MEDIUM
IMPORTANT

A person lives in a hilly area. The drinking water and food is grown in this area are poor in a mineral P. The deficiency of P in the body causes an abnormal enlargement of gland Q leading to a disease R. The disease R, however, does not occur in the people living in coastal areas.

Name one disease in children, which occurs due to the deficiency of mineral P in their diet. (Cretinism/marasmus)

MEDIUM
IMPORTANT

Anushka does not like to take green leafy vegetables and fruit in her diet. After a time, her body will be in a deficit of which vitamin? Write the consequences of the same.

MEDIUM
IMPORTANT

People of a family do not eat seafood. They are also not aware of taking iodized salt. Which disease are they prone to? Why? 

MEDIUM
IMPORTANT

Label the child suffering from kwashiorkor, a healthy child and a child suffering from Marasmus disease. 
Question Image

HARD
IMPORTANT

What would happen if the diet of a child provides enough calories but is deficient in proteins?

MEDIUM
IMPORTANT

Match the following:

      Column A               Column B
1. Fluorine (a) Beriberi
2. Iron (b) Rickets
3. Vitamin B1 (c) Kwashiorkor
4. Protein deficiency (d) Dental caries
5. vitamin D (e) Anaemia 

HARD
IMPORTANT

Match the following:

Column A  Column B
1. Scurvy a. Iodine
2. Beriberi b. Vitamin C
3. Goitre c. Protein
4. Anaemia d. Vitamin D
5. Rickets e. Vitamin B1
6. Kwashiorkor f Iron