Scientific Concepts Beginning with the Letter "D" Quiz
Test your knowledge on diffraction, DNA, Dalton's Law, Doppler effect & more. 15 questions on scientific terms beginning with 'D'.
#1
Which of the following is a unit of electric charge?
Dynamo
Decibel
Dipole
Coulomb
#2
What does DNA stand for?
Deoxyribonucleic Acid
Digital Network Architecture
Double-Nucleotide Assembly
Dynamic Nuclear Activation
#3
What is the main component responsible for the greenhouse effect?
Oxygen
Nitrogen
Carbon monoxide
Carbon dioxide
#4
Which of the following is a fundamental unit in the metric system for measuring distance?
#5
What is the primary function of a 'digestive enzyme' in the body?
Transporting nutrients
Breaking down food into smaller molecules
Producing hormones
Generating energy
#6
In physics, what does 'diffraction' refer to?
Bending of light around obstacles
Conversion of matter into energy
Rotation of an object around its axis
The flow of electric current in a circuit
#7
What is Dalton's Law in chemistry about?
The conservation of mass in chemical reactions
The behavior of ideal gases
The relationship between pressure and temperature
The properties of electromagnetic radiation
#8
What does the Doppler effect describe?
The change in pitch of sound waves due to motion
The bending of light waves around obstacles
The reflection of sound waves from a surface
The absorption of electromagnetic waves by matter
#9
What is the function of a diode in an electrical circuit?
To regulate current flow
To amplify electrical signals
To store electrical energy
To convert alternating current to direct current
#10
What does the term 'deposition' refer to in meteorology?
The process of ice melting into water vapor
The formation of clouds
The direct transition of water vapor to solid ice
The evaporation of water from the ground
#11
Which of the following is a property of a dielectric material?
High electrical conductivity
Low resistance to current flow
Allows electric field lines to pass through easily
Insulates against the flow of electric charge
#12
Which of the following is a characteristic of a ductile material?
Brittle fracture behavior
High resistance to deformation
Ability to be stretched into wires
Low melting point
#13
What is the main principle behind Darwin's theory of evolution by natural selection?
Survival of the fittest
Inheritance of acquired traits
Genetic drift
Punctuated equilibrium
#14
In computer science, what does 'data abstraction' refer to?
The process of hiding implementation details
The process of storing data in memory
The process of sorting data efficiently
The process of converting data into machine code
#15
What is the fundamental property of a diamagnetic material?
Attraction to magnetic fields
Repulsion from magnetic fields
Indifference to magnetic fields
Inability to conduct electricity
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