Over 100 Tough WASSCE Integrated Science Objective Questions And Answers

We are the test masters and in this post, we share our first set of Over 100 Tough WASSCE 2023 Integrated Science Likely Objective Test Question And Answers.

Which of the following is an example of a chemical change?
a. Boiling water
b. Melting ice
c. Burning wood
d. Cutting paper
Answer: c. Burning wood

What is the process by which green plants manufacture their food?
a. Respiration
b. Digestion
c. Photosynthesis
d. Assimilation
Answer: c. Photosynthesis

Which of the following is a renewable energy source?
a. Coal
b. Oil
c. Solar
d. Natural gas
Answer: c. Solar

Which of the following is responsible for carrying oxygen in the blood?
a. Red blood cells
b. White blood cells
c. Platelets
d. Plasma
Answer: a. Red blood cells

What is the basic unit of life?
a. Atom
b. Molecule
c. Cell
d. Organ
Answer: c. Cell

 

READ: 25 Accounting Questions and Answers All WASSCE Accounting students must know

 

What is the process by which an organism produces offspring that are similar to itself?
a. Mutation
b. Meiosis
c. Mitosis
d. Reproduction
Answer: d. Reproduction

 

Over 100 Tough WASSCE 2023 Likely Objective Test Question And Answers in Integrated Science

Which of the following is an example of a non-renewable resource?
a. Wind
b. Sunlight
c. Coal
d. Water
Answer: c. Coal

What is the force that pulls all objects towards the center of the Earth?
a. Magnetism
b. Gravity
c. Friction
d. Inertia
Answer: b. Gravity

What is the largest organ in the human body?
a. Heart
b. Brain
c. Liver
d. Skin
Answer: d. Skin

What is the process by which solid ice changes directly into water vapor without melting?
a. Sublimation
b. Condensation
c. Evaporation
d. Freezing
Answer: a. Sublimation

What is the name given to the flow of electric charge through a conductor?
a. Voltage
b. Current
c. Resistance
d. Power
Answer: b. Current

What is the process by which light is bent as it passes through a medium of different density?
a. Reflection
b. Refraction
c. Diffraction
d. Interference
Answer: b. Refraction

Which of the following is an example of a renewable resource?
a. Petroleum
b. Natural gas
c. Wind
d. Coal
Answer: c. Wind

What is the process by which food is broken down into simpler substances in the digestive system?
a. Absorption
b. Assimilation
c. Digestion
d. Metabolism
Answer: c. Digestion

Which of the following is the largest planet in the solar system?
a. Earth
b. Mars
c. Jupiter
d. Saturn
Answer: c. Jupiter

What is the process by which nitrogen from the atmosphere is converted into a usable form by plants?
a. Nitrogen fixation
b. Photosynthesis
c. Respiration
d. Transpiration
Answer: a. Nitrogen fixation

What is the process by which a solid changes directly into a gas without going through the liquid state?
a. Vaporization
b. Melting
c. Sublimation
d. Condensation
Answer: c. Sublimation

Which of the following is a type of electromagnetic radiation that can cause cancer?
a. X-rays
b. Gamma rays
c. Infrared radiation
d. Ultraviolet radiation
Answer: d. Ultraviolet radiation

 

Which subatomic particle has the smallest mass?
a. Proton
b. Neutron
c. Electron
d. Positron
Answer: c. Electron

What is the process by which an atom gains or loses electrons to become charged?
a. Ionization
b. Radioactivity
c. Fusion
d. Fission
Answer: a. Ionization

Which of the following is the smallest unit of matter?
a. Atom
b. Molecule
c. Cell
d. Electron
Answer: a. Atom

Which of the following is the fastest type of earthquake wave?
a. P-wave
b. S-wave
c. Surface wave
d. Tsunami wave
Answer: a. P-wave

What is the process by which two atomic nuclei combine to form a heavier nucleus?
a. Fission
b. Fusion
c. Ionization
d. Radioactivity
Answer: b. Fusion

Which of the following is a measure of the amount of matter in an object?
a. Weight
b. Mass
c. Volume
d. Density
Answer: b. Mass

What is the process by which plants release water vapor from their leaves?
a. Transpiration
b. Photosynthesis
c. Respiration
d. Absorption
Answer: a. Transpiration

Which of the following is a type of rock that forms from the cooling and solidification of magma or lava?
a. Igneous
b. Sedimentary
c. Metamorphic
d. Conglomerate
Answer: a. Igneous

What is the process by which a solid changes directly into a gas without going through the liquid state?
a. Vaporization
b. Melting
c. Sublimation
d. Condensation
Answer: c. Sublimation

What is the smallest particle of an element that retains its properties?
a. Atom
b. Molecule
c. Ion
d. Proton
Answer: a. Atom

Which of the following is a type of radiation that has no charge or mass?
a. Alpha particles
b. Beta particles
c. Gamma rays
d. X-rays
Answer: c. Gamma rays

What is the process by which water changes from a liquid to a gas at temperatures below its boiling point?
a. Vaporization
b. Boiling
c. Evaporation
d. Condensation
Answer: c. Evaporation

Which of the following is the hardest mineral on the Mohs scale?
a. Quartz
b. Feldspar
c. Diamond
d. Topaz
Answer: c. Diamond

What is the process by which an electric current is produced by a changing magnetic field?
a. Induction
b. Resistance
c. Capacitance
d. Conduction
Answer: a. Induction

Which of the following is the SI unit of force?
a. Newton
b. Joule
c. Watt
d. Volt
Answer: a. Newton

Which of the following is the study of the composition and structure of materials?
a. Chemistry
b. Physics
c. Geology
d. Materials science
Answer: d. Materials science

What is the process by which a substance changes from a gas to a liquid?
a. Condensation
b. Evaporation
c. Sublimation
d. Melting
Answer: a. Condensation

Which of the following is the most electronegative element?
a. Oxygen
b. Fluorine
c. Chlorine
d. Nitrogen
Answer: b. Fluorine

What is the chemical formula for acetic acid?
a. CH4
b. H2SO4
c. HNO3
d. CH3COOH
Answer: d. CH3COOH

What is the process by which a solid changes directly into a gas without going through the liquid state?
a. Vaporization
b. Melting
c. Sublimation
d. Condensation
Answer: c. Sublimation

Which of the following is the main component of natural gas?
a. Methane
b. Ethane
c. Propane
d. Butane
Answer: a. Methane

Which of the following is a measure of the acidity or basicity of a solution?
a. pH
b. Conductivity
c. Density
d. Viscosity
Answer: a. pH

What is the name for the compound NaCl?
a. Sodium chloride
b. Nitric acid
c. Sulfuric acid
d. Hydrochloric acid
Answer: a. Sodium chloride

Which of the following is the process by which a metal reacts with oxygen to form an oxide?
a. Reduction
b. Oxidation
c. Hydrolysis
d. Dehydration
Answer: b. Oxidation

What is the chemical formula for ammonia?
a. NH3
b. H2SO4
c. HNO3
d. NaCl
Answer: a. NH3

Which of the following is the process by which a molecule gains electrons?
a. Oxidation
b. Reduction
c. Hydrolysis
d. Condensation
Answer: b. Reduction

What is the name for the compound H2SO4?
a. Sulfuric acid
b. Hydrochloric acid
c. Nitric acid
d. Acetic acid
Answer: a. Sulfuric acid

Which of the following is a type of reaction in which a compound breaks down into simpler compounds or elements?
a. Synthesis
b. Decomposition
c. Combustion
d. Displacement
Answer: b. Decomposition

What is the process by which two or more atoms combine to form a larger, more complex molecule?
a. Displacement
b. Combustion
c. Synthesis
d. Decomposition
Answer: c. Synthesis

What is the name for the compound HCl?
a. Hydrochloric acid
b. Sulfuric acid
c. Nitric acid
d. Acetic acid
Answer: a. Hydrochloric acid

Which of the following is a type of reaction in which oxygen reacts with a substance and releases energy in the form of heat and light?
a. Synthesis
b. Decomposition
c. Combustion
d. Displacement
Answer: c. Combustion

What is the process by which a substance dissolves in a liquid to form a homogeneous mixture?
a. Precipitation
b. Sublimation
c. Dissolution
d. Distillation
Answer: c. Dissolution

Which of the following is a type of bond that results from the sharing of electrons between atoms?
a. Ionic bond
b. Covalent bond
c. Metallic bond
d. Van der Waals bond
Answer: b. Covalent bond

Over 100 Tough WASSCE 2023 Likely Objective Test Question And Answers in Integrated Science

Which of the following is the powerhouse of the cell?
a. Nucleus
b. Mitochondria
c. Ribosome
d. Endoplasmic reticulum
Answer: b. Mitochondria

Which of the following is the process by which plants produce their own food?
a. Photosynthesis
b. Respiration
c. Digestion
d. Excretion
Answer: a. Photosynthesis

Which of the following is the pigment that gives plants their green color and is involved in photosynthesis?
a. Chlorophyll
b. Carotene
c. Xanthophyll
d. Anthocyanin
Answer: a. Chlorophyll

What is the function of red blood cells in the body?
a. Transport oxygen
b. Fight infections
c. Regulate body temperature
d. Digest food
Answer: a. Transport oxygen

What is the process by which cells divide to form new cells?
a. Mitosis
b. Meiosis
c. Replication
d. Translation
Answer: a. Mitosis

What is the name for the type of tissue that connects muscles to bones?
a. Tendons
b. Ligaments
c. Cartilage
d. Adipose tissue
Answer: a. Tendons

Which of the following is the process by which food is broken down into smaller molecules that can be absorbed by the body?
a. Digestion
b. Respiration
c. Photosynthesis
d. Excretion
Answer: a. Digestion

 

WASSCE Integrated Science Objective Questions And Answers

What is the function of the pancreas in the body?
a. Produces insulin
b. Digests food
c. Filters blood
d. Regulates body temperature
Answer: a. Produces insulin

What is the name for the sac-like structure that stores food and aids in digestion in the digestive system?
a. Stomach
b. Liver
c. Pancreas
d. Gallbladder
Answer: a. Stomach

Which of the following is the process by which plants and animals release carbon dioxide into the atmosphere?
a. Respiration
b. Photosynthesis
c. Digestion
d. Excretion
Answer: a. Respiration

Which of the following is the process by which white blood cells attack and destroy foreign substances in the body?
a. Immune response
b. Hormonal response
c. Digestive response
d. Respiratory response
Answer: a. Immune response

What is the name for the tiny structures in the cell that synthesize proteins?
a. Mitochondria
b. Ribosomes
c. Endoplasmic reticulum
d. Golgi apparatus
Answer: b. Ribosomes

Which of the following is the type of muscle that is responsible for involuntary movements, such as those of the heart and digestive system?
a. Skeletal muscle
b. Smooth muscle
c. Cardiac muscle
d. Striated muscle
Answer: b. Smooth muscle

What is the name for the process by which cells take in and use oxygen to produce energy?
a. Respiration
b. Digestion
c. Photosynthesis
d. Excretion
Answer: a. Respiration

Which of the following is the type of cell division that produces gametes (sex cells) with half the number of chromosomes as the parent cell?
a. Mitosis
b. Meiosis
c. Replication
d. Translation
Answer: b. Meiosis

Which of the following is the SI unit of force?
a. Newton
b. Joule
c. Watt
d. Pascal
Answer: a. Newton

 

Over 100 Tough WASSCE 2023 Likely Objective Test Question And Answers in Integrated Science

What is the name for the type of energy that an object possesses due to its motion?
a. Kinetic energy
b. Potential energy
c. Thermal energy
d. Electrical energy
Answer: a. Kinetic energy

Which of the following is the principle that states that energy cannot be created or destroyed, only transferred or transformed?
a. Law of conservation of energy
b. Law of thermodynamics
c. Newton’s first law
d. Archimedes’ principle
Answer: a. Law of conservation of energy

What is the name for the force that opposes motion between two surfaces that are in contact?
a. Frictional force
b. Gravitational force
c. Electrostatic force
d. Magnetic force
Answer: a. Frictional force

Which of the following is the law that states that the force acting on an object is equal to its mass multiplied by its acceleration?
a. Newton’s first law
b. Newton’s second law
c. Newton’s third law
d. Archimedes’ principle
Answer: b. Newton’s second law

What is the name for the measure of the resistance of a material to the flow of electric current?
a. Voltage
b. Resistance
c. Current
d. Power
Answer: b. Resistance

Which of the following is the unit of measurement for electric current?
a. Volt
b. Ampere
c. Ohm
d. Watt
Answer: b. Ampere

What is the name for the type of wave that does not require a medium to travel through?
a. Sound wave
b. Light wave
c. Mechanical wave
d. Electromagnetic wave
Answer: d. Electromagnetic wave

Over 100 Tough WASSCE 2023 Likely Objective Test Question And Answers in Integrated Science

Which of the following is the law that states that the pressure of a gas is inversely proportional to its volume, assuming a constant temperature and amount of gas?
a. Boyle’s law
b. Charles’s law
c. Archimedes’ principle
d. Bernoulli’s principle
Answer: a. Boyle’s law

What is the name for the phenomenon in which light is bent as it passes through a medium of different density?
a. Refraction
b. Reflection
c. Diffraction
d. Interference
Answer: a. Refraction

Which of the following is the law that states that the net force on an object is equal to its mass multiplied by its acceleration?
a. Newton’s first law
b. Newton’s second law
c. Newton’s third law
d. Archimedes’ principle
Answer: b. Newton’s second law

What is the name for the force that is exerted by a fluid on an object immersed in it, upward and opposite to the weight of the object?
a. Frictional force
b. Gravitational force
c. Buoyant force
d. Tension force
Answer: c. Buoyant force

Which of the following is the name for the process by which an unstable atomic nucleus emits energy in the form of particles or electromagnetic radiation?
a. Radioactivity
b. Fission
c. Fusion
d. Convection
Answer: a. Radioactivity

READ: 25 Accounting Questions and Answers All WASSCE Accounting students must know

What is the name for the measure of the amount of electric charge that flows through a circuit per unit time?
a. Voltage
b. Resistance
c. Current
d. Power