WAEC GCE Integrated Science Questions 2017 | (Essay/Theory & Objectives Answers) Expo Runz

WAEC GCE Integrated Science Questions 2017 | (Essay/Theory & Objectives Answers) Expo Runz

In this article, you will get Verified 2017 wassce science questions, waec gce 2017 science questions, wassce gce integrated science syllabus, integrated science questions and answers, wassce 2018 science questions, wassce past questions download, 2016/2017 wassce and  wassce 2015 past questions and answers.

Latest WAEC Syllabus for All Subjects (SSCE, GCE) – 2017 - Free And Downloadable WAEC Past Questions For You: WAEC Past - The 100% Free Access To Full WASSCE(WAEC) Past Questions And Answer

WASSCE GCE Integrated Science  - Paper 2 (Essay) | 100 marks

WAEC GCE integrated science examination sample questions and scheme are here on this page. Mean, its equally important to note that this is not the current Integrated Science 2017 Questions and answers.

As a matter of fact, they were curled from old past question papers. However, keep in mind that this paper is in two parts: I and II. Answer Question 1 in part and any other four questions in part II. You are advised to Answer all the questions in your answer booklet. WAEC GCE says that Credit will be given for clarity of expression and orderly presentation of material.

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WAEC / WASSCE GCE Integrated Science Exam Date & Time

  1. Saturday, 2nd Sptember, 2017
  2. Intergrated Science 2 (Essay) - 08.30am - 10.00am
  3. Intergrated Science 1 (Objective) - 10.00am - 11.00am
  4. Intergrated Science 3(Alternative to Practical Work) 0100pm - 03.00pm

Integrated Science Theory/Essay Questions Part I - 40 marks - Answer all of Question 1

1. (a) The diagrams below are illustrations of three different organisms harmful to farm animals. Study the diagrams carefully and answer the questions that follow.

  • (i) Identify each of the organisms labelled I, II and III.
  • (ii) Which of the organisms is/are:
  • (alpha) parasite(s)
  • (beta) pest(s)
  • (iii) State one effect each of the following organisms on farm animals:
  • (alpha) I;
  • (beta) II;
  • (gamma) III.
  • (iv) State three methods of controlling the organism labelled III.

2. (a) (i) What is weather?
(ii) State two differences between weather and season.
(b) State the composition of each of the following alloys:
  • (i) steel;
  • (ii) stainless steel.

(c) List four benefits of vegetables to humans.
(d) The diagram below is an illustration of life cycle of a flowering plant.
(i) Name each of the stages labelled I, II, III and IV.

3. (a) Explain how
  • (i) lithium atom becomes positively charged.
  • (ii) oxygen atom becomes negatively charged.
(b) (i) What is potential energy?
(ii) A coconut of mass 2kg is on a tree 5m tall. Determine the potential energy of the coconut at this height. [Take g = 10ms^-2]
(c) State four causes of teenage pregnancy.
(d) State four uses of soil in agriculture.

4. (a) Give four health benefits of water to humans.
(b) (i) State two ways in which crop rotation is important in crop production.
(ii) Distinguish between mixed cropping and mixed farming.
(c) (i) What is a fuse?
(ii) Name the colour code of the wire on which a fuse is placed in a three-pin plug.
(d) (i) In a tabular form, state three differences between osmosis and diffusion.
(ii) State one way in which osmosis is similar to diffusion.

5. (a) (i) What is balanced ration in animal nutrition?
(ii) State two benefits of balanced ration to poultry.
(b) List four hazards that may be encountered in teaching and learning of science.
(c) Name the parts of the circulatory system of humans.
(d) (i) What is a simple machine?
(ii) State two methods of overcoming friction in everyday activities.

6. (a) (i) What is a magnetic field?
(ii) To which class of mixture does each of the following belong?
(alpha) Smoke
(beta) Air
(gamma) Bronze
(b) (i) What is plaque in human dentition?
(ii) State the function of chlorophyll in photosynthesis
(c) Identify the scientific principle underlying the operation of each of the following industries:
  • (i) kenkey production;
  • (ii) salt making;
  • (iii) fish smoking;
  • (iv) biogas production
(d) (i) What is plant parasite?
(ii) Give one example of a plant parasite.

WAEC GCE Integrated Science Objectives Past Questions/Answers) Expo Runz

1. A piece of iron rusts when it comes into contact with
A. air only
B. moisture only
C. oil only
D. air and moisture only

2. Vegetative propagation method is commonly used in the cultivation of
A. banana
B. cocoa
C. cowpea
D. pawpaw

3. Which of the following devices alters an alternating current?
A. diode
B. dynamo
C. rectifier
D. transformer

4. It is obligatory to wear goggles in the laboratory when handling substances that
A. are corrosive
B. are highly flammable
C. are poisonous
D. emit sparks

5. The function of the pinna of the human ear is to
A. receive and transmit sound waves
B. receive and refract sound waves
C. change sound waves into electrical impulses
D. change sound waves into radiations

6. An atom of an element X has 23 protons and 26 neutrons. Determine the number of electrons.
A. 3
B. 23
C. 26
D. 49

7. Diseases that are easily transmitted from one organism to another through a vector are said to be
A. contagious
B. endemic
C. infectious
D. viral

8. An effort of 100.0 N is applied to a machine to raise a load of 400.0 N. Determine the mechanical advantage of the machine.
A. 0.25
B. 4.00
C. 300.00
D. 500.00

9. Which of the following characteristic features in leaves of flowering plants ensure efficient photosynthesis?
I. Narrow leaves with small surface area
II. Presence of veins
III. Presence of stomata
IV. Thick leaves
A. I and II only
B. II and III only
C. I, II and III only
D. I, III and IV only

10. The vacuum between the two silvered surfaces of a thermos flask prevents heat loss by
A. conduction only
B. convection only
C. conduction and convection only
D. convection and radiation only

11. A soil may lose its fertility through
A. leeching
B. overcooling
C. shifting cultivation
D. ridging

12. The function of the solar thermal collector in a solar panel is to
A. trap heat from the solar radiations
B. use radiant energy
C. store solar energy
D. convert photons into electrical energy

13. Which of the following factors affect the rate of evaporation from the skin of humans?
I. humidity
II. pressure
III. temperature
IV. wind speed
A. I and II only
B. III and IV only
C. I, II and III only
D. I, III and IV only

14. Blood vessels in the mammalian skin constrict during
A. hot weather
B. humid weather
C. dry humid weather
D. cold weather

15. An example of a root tuber is
A. cassava
B. groundnut
C. onion
D. yam

16. A total eclipse of the sum is seem when the observer is in the
A. umbra region of the sun’s shadow
B. penumbra region of the moon’s shadow
C. umbra region of the moon’s shadow
D. umbra region of the earth’s shadow

17. A solution contains 18.0 g of glucose per dm^3. Determine its molarity. [Molar mass of glucose, C6H12O6 = 180]
A. 0.01 M
B. 0.02 M
C. 0.10 M
D. 0.20 M

18. Which of the following methods could be used to demagnetize a strong magnet?
A. leaving it in water for few days
B. heating it to red-hot
C. placing it in a deep freezer overnight
D. putting it in a solenoid with a direct current

The diagram below illustrates a farm equipment. Use the diagram to answer Questions 19 and 20.
wassce 2013 integrated science objectives picture for questions 19 and 20
19. The diagram illustrates a
A. dibber
B. sickle
C. knapsack sprayer
D. watering can

20. The equipment illustrated is used to
A. harvest cereal crops
B. transplant seedlings
C. spread liquid pesticides in tiny droplets
D. sprinkle water on plants

21. Which of the following pollutants is produced by petrol-driven vehicles?
A. carbon (II) oxide
B. carbon (IV) oxide
C. nitrogen (II) oxide
D. sulphur (IV) oxide

22. The presence of villi in the ileum of the digestive system of a mammal is to
A. secret digestive enzymes
B. speed up the process of digestion
C. keep food in the ileum for longer time
D. increase the surface area of the ileum for absorption

23. Which of the following characteristics are associated with sound waves?
I. diffraction
II. interference
III. polarization
IV. reflection
A. I and II only
B. II and IV only
C. I, II and III only
D. I, II and IV only
WAEC GCE Integrated Science Questions 2017 | (Essay/Theory & Objectives Answers) Expo Runz

24. Long exposure of the human body to X-rays may cause
A. skin burns
B. sickle cell anaemia
C. high blood pressure
D. fungal growth on the skin

25. Which of the following characteristic features in flowering plants favours cross-pollination most?
A. flowers are bisexual
B. male and female parts mature at the same time
C. male and female parts are on separate plants
D. flowers remain closed until pollination

26. In poultry production, temperature is an important factor during brooding because the chicks
A. have to overcome stress of transportation
B. need adequate ventilation
C. have no access to natural vegetation
D. have not developed feathers

27. An electrical circuit has a voltage supply of 8 V. If a current of 2 A flows through the circuit, determine its total resistance.
A. 0.25 ohms
B. 4.00 ohms
C. 10.00 ohms
D. 16.00 ohms

28. Which of the following industries is operated as a small-scale industry in Ghana?
A. Aluminium production
B. Computer production
C. Soap production
D. Petrol production

29. One major advantage of crop rotation is the
A. control of insect pests and diseases of crops
B. increase in the amounts of seeds in the seed plant
C. faster absorption of nutrients by the soil
D. emergence of weeds

30. Comma-shaped bacteria are known as
A. bacilli
B. cocci
C. spirilla
D. vibros

31. Which of the following groups of organic compounds is represented by C—C-?
A. Alkenes
B. Alkanols
C. Alkynes
D. Alkanoic acids

32. When an object is placed beyond the focus of a diverging lens, the image formed will be
A. inverted and enlarged
B. inverted and diminished
C. erect and diminished
D. erect and enlarged

33. Which of the following actions must be taken first when there is an electrical fault in a home?
A. Calling the fire service
B. Switching off the electrical mains
C. Calling the electrical engineer
D. Vacating the building

34. Organs in the human body which are involved in homeostasis are
A. heart, pancreas and skin
B. lungs, pancreas and skin
C. kidneys, lungs and skin
D. kidneys, lungs and heart

35. Which of the following physical properties are possessed by metals?
I. Good conductor of electricity
II. Low tensile strength
III. High melting point
IV. Good conductor of heat
A. I and II only
B. II and IV only
C. I, II and III only
D. I, III and IV only

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