Back to: PRIMARY SEVEN P7 SCIENCE TOPICAL QUESTIONS AND ANSWERS
Posture / What is posture?
Posture is the position of the body in everything we do.
Qn. In four statements, describe a good sitting posture.
- Sit upright.
- Do not tighten the ankle / knees. • Place both feet on the floor
- Sit on both buttocks.
Qn. State the advantages of good posture. - Good posture promotes the proper growth of bones.
- Good posture promotes proper working of body organs.
- Good posture strengthens the muscles of the stomach, intestines and diaphragm.
Qn. Identify the dangers of bad posture - Bad posture leads to growth of deformed bones.
- Bad posture leads to indigestion.
- Bad posture leads to backaches.
Diseases of the skeletal system
Qn. Mention the different diseases that affect the skeletal system. - Polio
- Rickets
- Bone cancer
- Leprosy
- Osteomylitis • Achondroplasia
a) Polio qn. - Name the germ that causes polio.
- Virus
Qn. State the different ways how polio spreads - Through drinking contaminated water.
- Through eating contaminated food.
Qn. Give the signs / symptoms of polio - Fever
- Paralysis
Qn. Identify the different ways of preventing the spread of polio. - Immunizing children using polio vaccine.
- Always drink boiled water.
- Wash hands with clean water before eating food. • Proper disposal of faeces
c) Tuberculosis - Tuberculosis is caused by a bacterium called mycobacterium.
Qn. How is tuberculosis spread? - By droplet infection through air.
- By drinking unboiled milk from a cow having tuberculosis.
Qn. State the signs of tuberculosis. - Persistent cough
- A lump grows on the spine.
- Failure to walk.
Qn. State the symptoms of tuberculosis. - Long lasting backache.
- Paralysis in the bones.
- Pain in the backbone.
Qn. Identify the different ways of controlling and preventing tuberculosis. - Immunizing children at birth using BCG vaccine on the right upper arm.
- Isolating infected people.
- Treating infected people.
d) Rickets - Rickets is a deficiency disease causes by lack of vitamin D in the diet.
Qn. State the different signs of rickets. - Oxbow legs
- Knock knee legs
Qn. Give the best way of preventing rickets. - Eating foods rich in vitamin D.
Disorders of the skeletal system
Qn. Mention the examples of disorders to the skeletal system. - Dislocation
- Fracture
- Skull deformity
- Osteoporosis (weak bones)
a) Dislocation
Qn. What is dislocation? - Dislocation is the displacement of bones at a joint.
Qn. State the signs and symptoms of dislocation. - Swelling of the affected part.
- Pain around the injured part.
- Difficulty in moving the injured part / limb.
Qn. State the first aid given to a dislocation. - Apply RICE (Raise the injured part, ice the injured part, compress the injured part and Elevate the injured part.)
very intresting