(a) When the individual’s all the organs are in proper and right alignment, it is called a posture. 

The four advantages of a correct posture are: 

1. Correct postures leads to self confidence and strength. 

2. Correct postures helps in maintaining the body framework erect and balanced. 

3. All the organs of the body function well in cooperation and harmony with one another without any special effort. 

4. Both the shoulders are in straight line. 

(b) The two diseases spread by fungi are: 

1. Ringworm 

2. Thrush. 

(c) The three preventive steps for tuberculosis are: 

1. Separate Utensils: The utensils of a patient should be kept separate and should be washed with hot water and disinfected. 

2. Sputum Examination: The patient’s sputum should be examined. 

3. Vaccination: Arrangements should be made for B.C.G. vaccination especially for small children. 

(d) The three preventive steps of cure Arthritis are: 

1. Sit whenever possible and eliminate unnecessary walking. Consult the specialist doctor. 

2. Wear sensible shoes to reduce the risk of foot deformity. 

3. Rest should be provided to the affected joints.