Available Answers

1. 1.

   Radha's grandmother cannot walk properly due to stiffness in her knee joints, which can't bend easily. What kind of arthritis is it?

2. 2.

   Match the columns.

   1. anaemia	a. deficiency of vitamin A
   2. night blindness	b. deficiency of vitamin B
   3. rickets	c. deficiency of iodine
   4. beriberi	d. deficiency of vitamine C
   5. scurvy	e. deficiency of iron
   6. goitre	f. deficiency of vitamin D

    

3. 3.

   Tick the most appropriate answer.

   1. Which of the following is a congenital disease?
      1. cholera
      2. asthma
      3. beriberi
      4. haemophilia
   2. Which of the following is a communicable disease?
      1. typhoid
      2. cancer
      3. allergy
      4. diabetes
   3. Which of the following is not a disease caused by virus?
      1. conjunctivitis
      2. measles
      3. tuberculosis
      4. polio
   4. Which of following is a disease caused by fungi?
      1. ringworm
      2. mumps
      3. hepatitis
      4. rabies
   5. Cholera is caused by a
      1. fungus.
      2. virus.
      3. bacterium.
      4. protozoan.
   6. Typhoid spreads through
      1. air.
      2. insect bite.
      3. contaminated food.
      4. polluted water.
   7. Lack of insulin leads to
      1. atherosclerosis.
      2. diabetes.
      3. arthritis.
      4. goitre.
   8. This is an unusual hypersensitivity of the body tissues to certain substances.
      1. allergy
      2. diabetes
      3. fever
      4. arthritis
4. 4.

   Fill in the blanks.

   1. Diseases that spread through air are called _______________ infections or air-borne diseases.
   2. Diseases that develop after birth are called _______________ diseases.
   3. The insects and animals that carry disease-causing germs are called _______________.
   4. A diet poor in protein during infancy and childhood results in a condition called _______________.
   5. _______________ hygiene is the practice of keeping yourself clean.
5. 5.

   Complete the analogous pairs.

   1. Hair : _______________ :: Teeth : brush
   2. Malaria : Anopheles :: Dengue : _______________
6. 6.

   Match the columns.

   1. ringworm	a. bacteria
   2. malaria	b. excess of food
   3. cholera	c. virus
   4. dengue	d. protozoa
   5. obesity	e. fungus