WAEC GCE Integrated Science 2017 | OBJ Questions & Answers Expo Runz
WAEC GCE integrated science 2017 - WASSCE integrated science syllabus is on this website. All the verified integrated science questions and answers, wassce 2017/2018 science questions and 2017 wassce science questions is out. Wassce 2017 science questions, wassce past questions download, 2017/2018 wassce, wassce 2015/2016 questions and answers. Download Complete Integrated Science Answers Here.
WAEC / WASSCE GCE Integrated Science Exam Date & Time
- Saturday, 2nd Sptember, 2017
- Intergrated Science 2 (Essay) - 08.30am - 10.00am
- Intergrated Science 1 (Objective) - 10.00am - 11.00am
- Intergrated Science 3(Alternative to Practical Work) 0100pm - 03.00pm
WAEC GCE Integrated Science Past OBJ Questions & Answers
1. The group of which reptiles is an example is
A. an order
B. a family
C. a class
D. a genus
2. A chemical compound that can remove both types of hardness of water is
A. Na2CO3
B. NaHCO3
C. Ca(OH)2
D. Na2SO4
3. A liquid has relative density of 12.2. Calculate its density
A. 1.220 kgm-3
B. 12.20 kgm-3
C. 122.00 kgm-3
D. 12200 kgm-3
4. The correct order used in classifying an organism is
A. phylum, species, class, genus
B. phylum, class, genus, species
C. phylum, genus, species, class
D. phylum, class, species, genus
5. The component of air used by welders is
A. N2
B. C2H2
C. CO2
D. O3
6. When a hydrometer floats in a liquid, it means that the
A. weight of the liquid displaced is equal to the weight of the hydrometer
B. density of the hydrometer is equal to the density of the liquid
C. upthrust on the hydrometer is less than the volume of the hydrometer
D. volume of the portion of the hydrometer in the liquid is equal to the volume of the liquid displaced
7. The catalyst used in the manufacture of H2SO4 in the contact process is
A. platinum
B. iron (III) oxide
C. vanadium (V) oxide
D. nickel
8. An object has a mass of 220.0 kg. Calculate its weight. (g = 10.0ms-2)
A. 2200.0 N
B. 220.0 N
C. 2.20 N
D. 0.22 N
9. The causative agent of poliomyelitis is a
A. worm
B. bacterium
C. protozoan
D. virus
10. Ash from cocoa pod or baobab tree fruit pod tastes bitter because it contains
A. acid
B. alkali
C. alcohol
D. salt
WASSCE GCE questions and answers (Another Sample)
1. Which of the following structures do all cells possess?
A. Nucleus
B. Centrioles
C. Cell wall
D. Large vacuole
2. Which of the following is not a component of air?
A. Oxygen
B. Water vapour
C. Carbon (IV) oxide
D. Carbon (II) oxide
3. The statement, to every action there is an equal and opposite reaction is
A. the law of inertia
B. Newton’s first law of motion
C. Newton’s second law of motion
D. Newton’s third law of motion
4. Which of the following structures controls the passage of substances in and out of cells?
A. Nuclear membrane
B. Plasma membrane
C. Cell wall
D. Endoplasmic reticulum
5. Pipe borne water contains chlorine which
A. destroys bacteria
B. makes the water clean
C. gives taste to water
D. neutralizes the base in the water
6. A uniform beam of rod is pivoted in horizontal equilibrium as shown below
A. m1y = m2x
B. m1m2 = xy
C. m1x = m2y
D. (x + y)m = (x – y)m
7. Which of the following compounds is an acid salt?
A. NaHSO4
B. Al2(SO4)3
C. Mg(OH)Cl
D. KAlSO4.12H2O
8. Bacteria belongs to the Kingdom
A. Animalia
B. Prokaryotae
C. Protoctista
D. Fungi
9. Which of the following devices does not employ the application of pressure?
A. Hydraulic press
B. Siphon
C. Bicycle pump
D. Hydrometer
10. A salt used as a fertilizer is
A. ammonium trioxocabonate (IV)
B. potassium trioxosulphate (IV)
C. ammonium tetraoxosulphate (IV)
D. sodium chloride
WASSCE GCE Integrated Science Objective Questions & Answers Expo
- 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
1. Which of the following structures do all cells possess?
A. Nucleus
B. Centrioles
C. Cell wall
D. Large vacuole
2. Which of the following is not a component of air?
A. Oxygen
B. Water vapour
C. Carbon (IV) oxide
D. Carbon (II) oxide
3. The statement, to every action there is an equal and opposite reaction is
A. the law of inertia
B. Newton’s first law of motion
C. Newton’s second law of motion
D. Newton’s third law of motion
4. Which of the following structures controls the passage of substances in and out of cells?
A. Nuclear membrane
B. Plasma membrane
C. Cell wall
D. Endoplasmic reticulum
5. Pipe borne water contains chlorine which
A. destroys bacteria
B. makes the water clean
C. gives taste to water
D. neutralizes the base in the water
6. A uniform beam of rod is pivoted in horizontal equilibrium as shown below
A. m1y = m2x
B. m1m2 = xy
C. m1x = m2y
D. (x + y)m = (x – y)m
7. Which of the following compounds is an acid salt?
A. NaHSO4
B. Al2(SO4)3
C. Mg(OH)Cl
D. KAlSO4.12H2O
8. Bacteria belongs to the Kingdom
A. Animalia
B. Prokaryotae
C. Protoctista
D. Fungi
9. Which of the following devices does not employ the application of pressure?
A. Hydraulic press
B. Siphon
C. Bicycle pump
D. Hydrometer
10. A salt used as a fertilizer is
A. ammonium trioxocabonate (IV)
B. potassium trioxosulphate (IV)
C. ammonium tetraoxosulphate (IV)
D. sodium chloride
GCE WAEC Integrated Science Past OBJ Questions & Answers
1. Bacteria belong to Kingdom
A. Animalia
B. Fungi
C. Prokaryotae
D. Proctoctista
2. In a simple electric circuit the device that regulates the current flow is the
A. ammeter
B. amplifier
C. resistor
D. rheostat
3. Which of the following organisms is a producer?
A. grasshopper
B. Spirogyra
C. Rhizopus
D. Virus
4. Examples of hydrocarbons belonging to alkane series are
A. C2H6 and C3H8
B. C2H2 and C3H6
C. C2H8 and C3H8
D. C4H10 and C2H4
5. Green manure is beneficial to the soil if the plant material is
A. free from pests
B. grown with fertilizer
C. ploughed into the moist soil just before flowering
D. ploughed into the moist soil after harvesting
6. Lactic acid can be found in
A. grape
B. orange
C. palm oil
D. sour milk
7. Evaporation of liquid increases with
A. decrease in density of the liquid
B. increase in atmospheric pressure
C. decrease in the exposed surface area
D. decrease in temparature
8. Which of the following processes is a physical change?
A. Electrolysis of aqueous sodium chloride
B. Fermentation of palm wine
C. Separation of sand from water
D. Burning of magnesium ribbon in air
9. Soil conservation can be achieved through
A. agroforestry
B. intercropping
C. mixed cropping
D. introduction of green legumes
10. A laterally inverted image is one which is
A. real and formed in front of the mirror
B. real and formed behind the mirror
C. virtual and formed behind the mirror
D. virtual and formed in front of the mirror
11. Killing water snails with molluscides results in the control of
A. ascariasis
B. onchocerciasis
C. shistosomiasis
D. trypanosomiasis
12. The vacuum between the two wals in a vacuum flask minimizes heat transfer by
I. conduction
II. convection
III. radiation
Which of the above statements is/are correct?
A. I only
B. I and II only
C. II and III only
D. I, II and III
13. An atom of element X is made up of 17 electrons and 18 neutrons. What is the mass number of the element?
A. 17
B. 18
C. 34
D. 35
14. Biodiversity is defined as
A. study of living things
B. variation in forms of life
C. classification of living things
D. living and non-living things in habitats
15. Which of the following methods is/are used in making magnets?
I. Single touch
II. Double touch
III. Electrical
A. I only
B. I and III only
C. II and III only
D. I, II and III
16. The most effective method of reducing erosion on hilly lands is by
A. terracing
B. applying organic manure
C. creating wind breaks
D. erection of barriers
17. Which of the following features does not adapt a leaf of a flowering plant for photosynthesis?
A. Being thin in shape
B. Being flat and broad
C. Possession of starch
D. Possession of numerous stomata
18. Steel is preferred to pure iron for constructional work because
A. steel is cheaper than iron
B. steel is harder and stronger than iron
C. iron poses more health hazard than steel
D. steel is more shiny than iron
The diagram below is an illustration of an NPN transistor. Study it carefully and answer Questions 19 and 20.
19. The part labelled I is
A. base
B. collector
C. emitter
D. resistor
20. The function of the art labelled II is to supply
A. protons
B. voltages
C. negative charges
D. positive charges
Expo WAEC GCE Integrated Science OBJ Questions & Answers Expo 2017/2018
1. Interbreeding organisms are members of the same
A. class
B. family
C. genus
D. species
2. The pH value of a solution is accurately determined by using
A. litmus paper
B. methyl orange
C. phenolphthalein
D. universal indicator
3. In which part of the leaf of a flowering plant is the greatest amount of glucose produced during photosynthesis?
A. lower epidermal cells
B. upper epidermal cells
C. palisade cells
D. spongy mesophyll cells
4. An advantage of the use of hay over silage in animal production is that hay
A. is available throughout the year
B. has a laxative effect
C. has higher proportion of leaves, water and nutrients
D. is more palatable to livestock
5. Which of the following types of teeth is absent in herbivores?
A. canines
B. incisors
C. premolars
D. molars
6. A block and tackle system consists of three fixed and two movable pulleys. Determine the velocity ratio of the system.
A. 2
B. 3
C. 5
D. 6
7. Pulmonary circulation in mammals involves the movement of blood from the
A. heart to the body and back
B. lungs to the heart and back
C. heart to the lungs and back
D. lungs to the body and back
8. Tides occur as a result of
A. cool air at the poles flowing towards the equator
B. gravitational pull of the moon on the seas
C. differences in temperature between the land and the sea
D. the revolution of the earth
9. Identical twins look alike because they develop from
A. one ovum fertilised by two sperms
B. two ova fertilised by one sperm
C. two ova fertilised by two sperms
D. one ovum fertilised by one sperm
10. Which of the following equipment are used in poultry production?
I. burdizzo
II. debeaker
III. hoover
IV. seine net
A. I and II only
B. I and III only
C. II and III only