# BECE Science Questions

## Quiz by Olamide Akinyosoye

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18 questions
Show answers
• Q1
Which of the following is not a renewable source of energy?
Wind
Coal
Hydrogen
Solar
30s
• Q2
Which of the following is not a function of the liver?
Storage of nutrients
Detoxification
Production of bile
Production of insulin
30s
• Q3
Which of the following is not a method of separating mixtures?
Mixing
Distillation
Filtration
Evaporation
30s
• Q4
Which of the following is not a function of the skeleton?
Production of blood cells
Production of hormones
Protection of organs
Support for the body
30s
• Q5
What is the process of light entering and passing through a medium?
Reflection
Absorption
Refraction
Diffusion
30s
• Q6
What is the phenomenon where light bounces back after hitting a surface called?
Refraction
Diffraction
Reflection
Absorption
30s
• Q7
What is the formula for calculating kinetic energy?
KE = m*v^2
KE = m*v
KE = 1/2(m*v^2)
KE = m*v/2
30s
• Q8
What unit is used to measure kinetic energy?
Joules
Hertz
Liters
Meters
30s
• Q9
What is the difference between potential energy and kinetic energy?
Potential energy is always positive, while kinetic energy can be either positive or negative.
Potential energy is measured in Joules, while kinetic energy is measured in Newtons.
Potential energy is stored energy, while kinetic energy is energy in motion.
Potential energy is energy in motion, while kinetic energy is stored energy.
30s
• Q10
What happens to the kinetic energy of a moving object when its velocity doubles?
The kinetic energy quadruples
The kinetic energy doubles
The kinetic energy halves
The kinetic energy stays the same
30s
• Q11
What is the kinetic energy of an object with a mass of 10 kg and a velocity of 5 m/s?
50 J
75 J
125 J
25 J
30s
• Q12
What is the main difference between a convex and a concave lens?
A convex lens is used to correct nearsightedness, while a concave lens is used to correct farsightedness.
A convex lens is thin in the middle and thick at the edges, while a concave lens is thick in the middle and thin at the edges.
A convex lens causes light to diverge, while a concave lens causes light to converge.
A convex lens causes light to converge, while a concave lens causes light to diverge.
30s
• Q13
What is the process by which plants convert sunlight into food?
Respiration
Photosynthesis
Fermentation
Digestion
30s
• Q14
What is the force that pulls all objects towards the center of the Earth?
Gravity
Friction
Inertia
Magnetism
30s
• Q15
What do you call the smallest blood vessels in the body?
Veins
Arteries
Venules
Capillaries
30s

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