BECE Integrated Science Past Questions 2012
34 objective questions · Paper 1 · Ghana BECE
Practise these questions in the app
Track your weak spots · earn XP · free to start
Start free →
Question 1
The arrow in the circuit symbol of either n-p-n or p-n-p transistor is always on the
- A. base lead
- B. collector lead
- C. emitter lead
- D. receiver lead
🔒
Sign in free to check your answer and practise interactively
Question 2
In modern electrical wirings the colour code for the live wire is
- A. blue
- B. brown
- C. green
- D. green and yellow
🔒
Sign in free to check your answer and practise interactively
Question 3
An example of soil minor nutrient is
- A. calcium
- B. iron
- C. nitrogen
- D. phosphorus
🔒
Sign in free to check your answer and practise interactively
Question 4
The complete development of a human foetus in the womb normally takes
- A. 7 months
- B. 8 months
- C. 9 months
- D. 10 months
🔒
Sign in free to check your answer and practise interactively
Question 5
The reaction between hydrochloric acid and sodium hydroxide produces
- A. sodium oxide only
- B. sodium chloride only
- C. sodium oxide and water
- D. sodium chloride and water
🔒
Sign in free to check your answer and practise interactively
Question 6
Which of the following examples of fertilizers improves soil texture?
- A. Compost
- B. N.P.K.
- C. Sulphate of ammonia
- D. Urea
🔒
Sign in free to check your answer and practise interactively
Question 7
One benefit of technology to industrialization is
- A. environmental pollution
- B. reduction in skilful labour
- C. provision of machinery
- D. increase in cost of production of goods
🔒
Sign in free to check your answer and practise interactively
Question 8
In electrical circuits, the component that protects appliances against high currents is the
- A. capacitor
- B. fuse
- C. resistor
- D. switch
🔒
Sign in free to check your answer and practise interactively
Question 9
The use of resistant varieties of crop in controlling diseases is described as
- A. biological control method
- B. chemical control method
- C. cultural control method
- D. physical control method
🔒
Sign in free to check your answer and practise interactively
Question 10
Non-reactive metals are preferred in making ornaments and jewellery because they
- A. are attractive
- B. do not react with atmospheric oxygen
- C. do not retain their luster
- D. are corrosive
🔒
Sign in free to check your answer and practise interactively
Question 11
In a pin-hole camera, when the size of the pin-hole is increased, the image formed is
- A. blurred
- B. erect
- C. magnified
- D. virtual
🔒
Sign in free to check your answer and practise interactively
Question 12
Which of the following management practices greatly helps in record keeping?
- A. Culling
- B. Debeaking
- C. Dehorning
- D. Identification
🔒
Sign in free to check your answer and practise interactively
Question 13
The sub-atomic particle with zero charge in the nucleus of an atom is called
- A. electron
- B. ion
- C. neutron
- D. proton
🔒
Sign in free to check your answer and practise interactively
Question 14
The practice of starting new organization in response to identified opportunities is termed
- A. agribusiness
- B. business enterprise
- C. entrepreneurship
- D. management
🔒
Sign in free to check your answer and practise interactively
Question 15
Which of the following sources of light is natural?
- A. Filament bulb
- B. Fluorescent tube
- C. Glow worm
- D. Fire cracker
🔒
Sign in free to check your answer and practise interactively
Question 16
The efficiency of a machine is always less than 100% because part of the energy input is used to
- A. stop the machine after working
- B. perform useful work of the load
- C. overcome friction
- D. lift the machine up
🔒
Sign in free to check your answer and practise interactively
Question 17
Black pod is a disease of
- A. cocoa
- B. coffee
- C. guava
- D. mango
🔒
Sign in free to check your answer and practise interactively
Question 18
One function of engine oil in the engine of a tractor is to
- A. warm the engine
- B. enhance air intake
- C. ensure proper mixing of fuel
- D. lubricate the engine parts
🔒
Sign in free to check your answer and practise interactively
Question 19
Tuberculosis is spread
- A. through eating of contaminated food
- B. when an infected person coughs openly into the air
- C. through shaking of hands of infected persons
- D. through sharing of contaminated syringes
🔒
Sign in free to check your answer and practise interactively
Question 20
A transistor is said to operate in an active region when
- A. one p-n junction is forward biased and the other is reverse biased
- B. base-emitter junctions are reverse biased
- C. both p-n junctions are reverse biased
- D. base-collector junction is forward biased
🔒
Sign in free to check your answer and practise interactively
Question 21
The type of image formed in a plane mirror is always
- A. diminished
- B. enlarged
- C. real
- D. virtual
🔒
Sign in free to check your answer and practise interactively
Question 22
A reflex action involves the
- A. brain and muscles
- B. brain and nerves
- C. spinal cord and muscles
- D. spinal cord and nerves
🔒
Sign in free to check your answer and practise interactively
Question 23
Which of the following insect pests of crops has piercing and sucking mouthparts?
- A. Aphids
- B. Grasshoppers
- C. Stemborers
- D. Termites
🔒
Sign in free to check your answer and practise interactively
Question 24
The disease in humans which is associated with insufficient intake of calcium is
- A. goiter
- B. kwashiorkor
- C. rickets
- D. scurvy
🔒
Sign in free to check your answer and practise interactively
Question 25
Which of the following farming systems is most effective in maintaining soil fertility?
- A. Crop rotation
- B. Land rotation
- C. Mixed cropping
- D. Monoculture
🔒
Sign in free to check your answer and practise interactively
Question 26
Which of the following processes involves the solid state of matter?
- A. Boiling
- B. Condensation
- C. Evaporation
- D. Melting
🔒
Sign in free to check your answer and practise interactively
Question 27
When a solid-liquid mixture is filtered, the liquid that separates out into the container is called
- A. filtrate
- B. residue
- C. sediment
- D. solution
🔒
Sign in free to check your answer and practise interactively
Question 28
When the p-n junction of a transistor is reversed biased
- A. current flows from the p-type to the n-type
- B. no current flows from the p-type to the n-type
- C. conduction of current occurs
- D. current flows from the n-type to the p-type
🔒
Sign in free to check your answer and practise interactively
Question 29
Each layer of soil profile is known as
- A. horizon
- B. litter
- C. regolith
- D. solum
🔒
Sign in free to check your answer and practise interactively
Question 30
Which of the following life processes is represented by the equation glucose + oxygen → carbon dioxide + water + energy?
- A. Digestion
- B. Excretion
- C. Photosynthesis
- D. Respiration
🔒
Sign in free to check your answer and practise interactively
Question 31
The chemical formula of a compound describes the
- A. number of molecules in the compound
- B. type of bonding in the compound
- C. ratio in which the elements are combined
- D. state of the compound
🔒
Sign in free to check your answer and practise interactively
Question 32
The S.I unit for measuring the work done by a force is
🔒
Sign in free to check your answer and practise interactively
Question 33
A material that allows a small amount of light energy to pass through it but cannot be seen through is referred to as
- A. opaque
- B. reflective
- C. translucent
- D. transparent
🔒
Sign in free to check your answer and practise interactively
Question 34
The lead of the transistor responsible for activation is the
- A. amplifier
- B. base
- C. collector
- D. emitter
🔒
Sign in free to check your answer and practise interactively
Other Integrated Science years