PSLE Science Paper 1 2018 — Past Paper & Online Quiz

1. 10 marks

Choose the correct answer from the given alternatives and write its letter in the table below.

A. Complicates work

B. Simplifies work

C. Has energy

D. Moves

2. 10 marks

Match the sentences in LIST A with a correct response from LIST B. Write its letter in the table below. LIST A LIST B

(i) The most dangerous disease that has no cure or vaccination 1 mk

(ii) The main aim of rendering First Aid 1 mk

(iii) The function of the eye 1 mk

(iv) Aquatic animals 1 mk

(v) The main source of energy on the Earth 1 mk

(vi) Direct current generator 1 mk

(vii) Activity that lead to soil degradation 1 mk

(viii) Group of rays 1 mk

(ix) The main hazard of heat on the Earth 1 mk

(x) Respiratory organ of fish 1 mk

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3. 10 marks

For each statement write T if the sentence is TRUE and F if the sentence is FALSE. Write the answers in the table below.

(i) The direction to which the compass needle point is magnetic north. 1 mk

(ii) The brain is the powerful muscular organ that pumps the blood. 1 mk

(iii) The long form of HEP is Hydro - Electric Power. 1 mk

(iv) Meat, fish, eggs and milk are foods that have protein. 1 mk

(v) Pollination is the transfer of pollen grains from stigma to anther. 1 mk

(vi) Diabetic is caused by lack of enough carbohydrates. 1 mk

(vii) The largest organ in a human body is the skin. 1 mk

(viii) The process by which the seed change into fruit is germination. 1 mk

(ix) A solvent is a substance that can dissolve solute. 1 mk

(x) The voltmeter is used to measure current. 1 mk

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0. 0 marks

The signs of different nutritional disorders are in the box below. Pick out and write any three (3) signs of marasmus. loss of body weight , hair loses its colour, bending of long bones, skin becomes dry and rough, swollen and protruding stomach, legs and arms become thin

(i) 1 mk

(i)) 0 mk

(ii) 1 mk

(ii)) 0 mk

(iii) Cell 1 mk

(iii)) 0 mk

(iv) Wire 1 mk

(v) Switch 1 mk

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4. 10 marks

Choose the correct answers from the box below and fill in the blanks. a) Water is a __________ that covers about seventy percent of the earth’s surface. b) The spinal cord is the extension of the _________________________________. c) Testes are enclosed by tough tissue called _______________________________ d) The process by which plants make their own food is _______________________ e) The act of a body to fall down the bottom of a fluid ______________________ f) The current flows in a pathway called ___________________________________ g) Part of the ear that collects and directs sound waves onto the ear drum is ______. h) A magnet is a piece of metal made up of ________________________________. i) Lack of iodine minerals in the diet leads to _______________________________ j) The human tongue is a special organ for ________________________________.

(a) Water is a __________ that covers about seventy percent of the earth’s surface. 1 mk

(b) The spinal cord is the extension of the _________________________________. 1 mk

(c) Testes are enclosed by tough tissue called _______________________________. 1 mk

(d) The process by which plants make their own food is _______________________. 1 mk

(e) The act of a body to fall down the bottom of a fluid _______________________ 1 mk

(f) The current flows in a pathway called ___________________________________. 1 mk

(g) Part of the ear that collects and directs sound waves onto the ear drum is ______. 1 mk

(h) A magnet is a piece of metal made up of ________________________________. 1 mk

(i) Lack of iodine minerals in the diet leads to _______________________________. 1 mk

(j) The human tongue is a special organ for ________________________________. 1 mk

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5. 4 marks

a) Define the following terms i) Sense organ ii) Respiratory system b) Write down four (4) functions of the skin. (i) (ii) (iii) (iv)

(a(i)) Define Sense organ 2 mk

(a) Define Respiratory system 1 mk

(a(ii)) Define Respiratory system 2 mk

(b) Write down four (4) functions of the skin. 2 mk

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6. 7 marks

a) Define electricity. b) List down two (2) types of circuits. i) ii) c) Draw the following electrical symbols No. Name Symbol i Voltmeter ii Ammeter iii Cell iv Wire v Switch

(a) Define electricity. 2 mk

(b) List down two (2) types of circuits. 1 mk

(c) Draw the following electrical symbols: Voltmeter, Ammeter, Cell, Wire, Switch 4 mk

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11. 0 marks

Outline the cares needed for people living with HIV/AIDS

(i) 0 mk

(a)) What can one do in order to make the body healthy? 5 mk

(ii) 0 mk

(b)) Outline the cares needed for people living with HIV/AIDS 5 mk

(iii) 0 mk

(iv) 0 mk

(v) 0 mk

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12. 8 marks

a) Why an elderly person needs: (i) Food with less energy (ii) Food rich in fibre (iii) Food rich in minerals (iv) Balanced diet b) Below is a diagram showing the structure of the digestive system of humans, study it carefully and then label the parts indicated by letters A, B, C, D, E and F.

(a(i)) Food with less energy 2 mk

(a) 0 mk

(i) Food with less energy 0 mk

(a(ii)) Food with rich in fibre 2 mk

(ii) Food with rich in fibre 0 mk

(c) 0 mk

(iii) Food rich in minerals 0 mk

(a(iii) Food rich in minerals 2 mk

(a(iv)) Balanced diet 2 mk

(d) 0 mk

(iv) Balanced diet 0 mk

(b) Label the parts indicated by letters A, B, C, D, E and F. 6 mk

(e) 0 mk

(f) 0 mk

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13. 10 marks

a) What are water-borne diseases? b) Write down the bacteria that causes cholera. c) Give any three (3) symptoms of cholera. d) Identify any three (3) prevention ways of cholera.

(a) What are water-borne diseases? 2 mk

(b) Write down the bacteria that causes cholera. 1 mk

(c) Give any three (3) symptoms of cholera. 3 mk

(d) Identify any three (3) prevention ways of cholera. 4 mk

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7. 2 marks

c) List down two (2) examples of dry fruits

(a) Define a fruit 2 mk

(b) List the four (4) main parts of the fruit. 4 mk

(c) List down two (2) examples of dry fruits 2 mk

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8. 6 marks

a) What is a lever? b) Mention three (3) main parts of lever c) Draw the diagram of seesaw to show the parts of lever

(a) What is a lever? 1 mk

(b) Mention three (3) main parts of lever 3 mk

(c) Draw the diagram of seesaw to show the parts of lever 2 mk

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9. 6 marks

a) Name two (2) sources of water. i) __________________________________________________________ ii) __________________________________________________________ b) Identify two (2) causes of water pollution. i) ______________________________________________________________ ii) _____________________________________________________________ c) Mention any four (4) uses of water. i)______________________________________________________________ ii) _____________________________________________________________ iii)_____________________________________________________________ iv)_____________________________________________________________

(a) Name two (2) sources of water. 2 mk

(a)) Name two (2) sources of water. 2 mk

(b) Identify two (2) causes of water pollution. 2 mk

(b)) Identify two (2) causes of water pollution. 2 mk

(c) Mention any four (4) uses of water. 4 mk

(c)) Mention any four (4) uses of water. 4 mk

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10. 14 marks

a) Put the kind of foods in proper food nutrients Mango, cassava, groundnut, potato, crabs, cashewnuts, Octopus, orange. i) Minerals __________________________________________________ ii) Carbohydrates ______________________________________________ iii) Vitamins __________________________________________________ iv) Lipids (Fats and oils) _________________________________________ b i) Explain the meaning of malnutrition __________________________________________________________ __________________________________________________________ __________________________________________________________ ii) Deficiency of vitamin A in the diet causes ________________________ c) The signs of different nutritional disorders are in the box below. Pick out and write any three (3) signs of marasmus. loss of body weight , hair loses its colour, bending of long bones, skin becomes dry and rough, swollen and protruding stomach, legs and arms become thin i) __________________________________________________________ ii) __________________________________________________________ ii) __________________________________________________________

(a i) Minerals 1 mk

(a) i)) Minerals 1 mk

(a ii) Carbohydrates 1 mk

(a iii) Vitamins 1 mk

(a) ii) Vitamins 1 mk

(a iv) Lipids (Fats and oils) 1 mk

(a) iv) Lipids (Fats and oils) 1 mk

(b) i)) Explain the meaning of malnutrition. 3 mk

(b i) Explain the meaning of malnutrition 3 mk

(b) ii) Deficiency of vitamin A in the diet causes 1 mk

(c)) The signs of different nutritional disorders are in the box below. Pick out and write any three (3) signs of marasmus. 3 mk

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Science · Paper 1 · 2018

Science · Paper 1 · 2018

Section A

Section B

Section C

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