BECE 2018 Past Examination Questions And Answers
Objective questions and answers. Attempt all questions. BECE 2018 Past Examination Questions And Answers
1) The space occupied by matter is It’s
A. Area.
B. Mass.
C. Volume
D. Weight
Answer: Volume
2. Which of the following structures contains cellulose?
A. Cell wall
B. Cell membrane
C. Chloroplast
D. Mitochondrion
Answer: Cell wall
3. Which of the following activities are cultural practices used in tomato cultivation?
I. Pest control
II. Pricking out.
III. Fertilizer application
A. I and II only
B. I and III only
C. II and III only
D. I, II and III only
Answer: I and III only
4. To The farming system that makes effective use of available soil nutrients in a growing season is
A. Crop rotation
B. Land rotation
C. Mixed cropping
D. Mixed farming
Answer: Crop Rotation
5. Which of the following members in a food chain will receive the least energy?
A. Lizard
B. Grass.
C. Grasshopper
D. Hawk.
Answer: Hawk
6. Digestion of fats and oils in humans starts in the
A. Colon
B. Gullet
C. Mouth
D. Duodenum
Answer: Duodenum
7. Which of these stands for silver?
A. Ag.
B. Au.
C. SI.
D. S.
Answer: Ag
8. The process by which gas changes to liquid is known as
A. Melting
B. Evaporation
C. Condensation
D. Boiling
Answer: Condensation
9. Which of the following substances is acidic?
A. Wood ash.
B. Salt petre.
C. Bee stings.
D. Bicarbonate of soda
Answer: Bee stings
10. The basic unit of life is the
A. Cell
B. Nucleus
C. Organ.
D. Tissue
Answer: Cells
BECE 2018 Science Past Examination Questions And Answers
11. Useful materials in food that provide growth and repair worn out tissues are called
A. Carbohydrates
B. Vitamins
C. Proteins
D. Fats.
Answer: Proteins
12. In humans reproduction, the sperm fertilizes the female egg to form the
A. Zygote
B. Follicle
C. Ovary
D. Ovum.
Answer: Zygote
Use the information below to answer questions 13 to 15
A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid To turned blue litmus paper red. Solid X did not dissolve when portion of it was placed in water and stirred.
13. Solid X could be said to be
A. An acid
B. An alkali.
C. A base
D. A Salt
Answer: A base
14. Liquid Y is.
A. An acid
B. An alkali.
C. A base
D. A metal
Answer: An acid
15. If red litmus paper is placed in liquid Y, the colour of the paper will
A. Remain the same
B. Change to blue
C. Change to purple
D. Become brighter
Answer: Remain the same
16. The type of soil which becomes water logged after rain fall is made up of a large amount of
A. Silt.
B. Sand
C. Gravel.
D. Clay.
Answer: Clay
17. Ring worm is a disease which attacks the
A. skin
B. Lungs
C. Liver
D. Kidneys
Answer: Skin
18. The most appropriate practice to adopt when growing vegetables in n the dry season is
A. Watering
B. Transplanting
C. pest control
D. Fertilizer application
Answer: Watering
19. Which of the following organisms Improves soil fertility?
A. Caterpillar
B. Millipedes
C. Nematode
D. Rat.
Answer: Millipedes
20. The introduction of natural enemies to control pests is.
A. Physical method
B. Cultural method
C. Chemical method
D. Biological method
Answer: Biological method
BECE 2018 Science Past Examination Questions And Answers
21. A body has a density of 30gcm-3 and a volume of 6cm3. What is the mass of the body?
A. 180.0g
B. 24.0g
C. 5.0 g.
D. 0.2 g.
Answer: 24.0g
22. The force which tend to pull an object in a circular motion towards the center of a circle is.
A. Centripetal force
. Electrostatic force
C. Gravitational force
D. Magnetic force
Answer: Centripetal force
23. The swollen shoot diseases of Cocoa is caused by
A. Fungus
C. Virus
C. Bacteria
D. Protozoa
Answer: Virus
24. The instrument used to measure atmospheric pressure is called
A. Thermometer
B. Force meter
C. Barometer
D. Anemometer
Answer: Barometer
25. The systematic name of NO2 is
A. Nitrogen Oxide
B. Nitrogen (I) Oxide
C. Nitrogen ( Ii) Oxide
D. Nitrogen ( IV) Oxide
Answer: Nitrogen ( IV) Oxide
26. Which of the following simple machine is a second class lever?
A. Bottle opener
B. Claw hammer
C. Fishing rod
D. Pair of pliers
Answer: Bottle opener
B. Claw hammer
27. A cylindrical metal has radius 7cm and height 12 cm. Determine the volume of the cylinder
A. 44cm3
B. 107 cm3.
C. 308 cm3.
D. 1078cm3
Answer. II and III only
28. Which of the following statements are true about compounds?
I. They are homogeneous
II. Their constituents are present in a fixed ratio by mass.
III. Their constituents keep their individual properties
A. I and II only
B. I and III only
C. II and III only
D. I, II and III only
Answer: II and III only
29. Which of the following factors contribute to early parenthood?
I. Illiteracy
II. Poverty
III. Peer pressure
IV. Lack of parental care.
A. I and II only
B. II and III only
C. III and IV only.
D. I, II, III and IV
Answer: I, II, III and IV
30. Which of the following statements about the negative Use of science and technology is correct?
A. Promotes good health
B. Promotes easy communication
C. Enable humans to Use less energy I am working.
D. Create things that are dangerous to the environment
Answer: Create things that are dangerous to the environment
BECE 2018 Science Past Examination Questions And Answers
31. Which of the following nutrients is needed by plants in small quantity?
A. Calcium
B. Iron .
C. Potassium
D. Magnesium
Answer: Iron
32. Which of the following statements about the formation of shadows is correct? It shows that light rays can
A. Be diffused
B. Travel in a straight line
C. Be refracted.
D. Be reflected
Answer: Travel in a straight line
33. A metal displaces 5. 0cm3 of water when it is totally immersed. If the mass of the metal is 35.0g, calculate its density
A. 7.0gcm-3
B. 30.0gcm-3
C. 40.0 go cm-3.
D. 175.0 go cm-335.
Answer: 7.0gcm-3
35. Which of the following physical properties of water are correct? Water.
I. Is colourless
II. Is a universal solvent
III. Boils at 100 degrees
IV. Has a density of 5kgcm-3 at 4°C
A. I and II only
B. II and III only
C. I, II and III only.
D. II, III and IV only
Answer: I, II and III only.
36. The relative proportion of different particle sizes oi a soil sample is called
A. Temperature
B. Texture
C. Structure
D. Porosity
Answer: Soil structure
37. Which of the following chemical equations is balanced?
A. K+ O2_K2O
B. Mg+ O2_ MgO.
C. Na+Cl2_ NaCl.
D. H2+Cl2_ 2HCl
Answer:. H2+Cl2_ 2HCl
38. Heat is transferred along an iron bar by.
A. Absorption
B. Conduction
C. Convection
D. Radiation
Answer: Conduction
39. The second stage in the life cycle of a mosquito is.
A. Egg.
B. Imago.
C. Larva.
D. pupa.
Answer: Larva
40. The function of the platelet on the blood circulatory system is to.
A. Transport Oxygen
B. Transport carbon dioxide
C. Defend the body
D. Clot the blood
Answer: Clot the Blood
Essay type Questions and Answers
1) a. The diagram below is an illustration of a fish. Study it carefully and answer the questions that follow
I. Identify the fish
II. Name each of the parts labeled I, II, IV and V.
III. Name that habitat of the fish
IV. Explain how each of the parts labeled III and VI enables the fish adapt to it’s habitat
Solution to question 1a
a. I. Identification of the fish
Tilapia/bony fish
II. Names of labeled parts
I- mouth
II- operculum/ gill cover
IV- scales
V- lateral line
III. Habitat
– fresh water
– pond
– lagoon
– Lake.
IV. Adaptation of labeled parts
III- for movement/ swimming
IV- for seeing or for vision
b). The diagram below is an illustration of a section through the soil. Study the diagram carefully and answer the questions that follow
I. What does the diagram represent?
II. Name each of the parts of the diagram l, II, III and IV
III. Which part of the diagram:
a. Is the richest in hummus?
b. Is the habitat for soil organisms?
c. Undergoes through weathering?
IV. What is the effect of heavy rainfall on the part labeled I?
BECE 2018 Science Past Examination Questions And Answers
Solution to question 1b
I. Representation of the diagram
– soil profile
II. Names of labeled parts
I- top soil/ humus.
II.- sub- soil
III- weathered rock
IV- parent rock
IV. Effects of heavy rainfall on I.
– leaching
– erosion
Question 1c . Questions and Answers
The diagram below is an illustration of an electrical circuit.
I. Name each of the parts labeled I, II, IV and VI.
II. State the energy transformation that takes place in:
a. I.
b. IV.
III. State the SI unit of the quantity measured by each of the parts labeled
a. III
b. V.
IV. State the function of the part labeled VI.
Solution to question 1c
BECE 2018 Science Past Examination Questions And Answers.
ci. Names of labeled parts
I- cell
II- key/ switch
IV- resistor
VI- rheostat/variable resistor
II. Energy transformation
a. Chemical to electrical energy
b. Electrical to heat energy.
III. SI unit
a. Ill- ampers.
b.V- Volt
IV. Function of the part labeled VI
– use to control current
– to vary current
A.
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