#1
What is the fundamental unit of life?
Cell
ExplanationBasic structural and functional unit of living organisms
#2
Which of the following is NOT a greenhouse gas?
Oxygen
ExplanationDoes not trap heat in the Earth's atmosphere like other greenhouse gases
#3
Which of the following is NOT a type of plate boundary?
Parallel boundary
ExplanationNot a recognized geological boundary where tectonic plates interact
#4
What is the chemical symbol for gold?
Au
ExplanationChemical abbreviation for the element gold
#5
Who proposed the theory of natural selection?
Charles Darwin
ExplanationNaturalist who proposed the theory of evolution by natural selection
#6
Which planet is known as the 'Red Planet'?
Mars
ExplanationMars is often referred to as the 'Red Planet' due to its reddish appearance
#7
What is the process by which plants make their food?
Photosynthesis
ExplanationConversion of light energy into chemical energy by plants
#8
Which scientist is known for the theory of relativity?
Albert Einstein
ExplanationRenowned physicist who proposed the theory of relativity
#9
What is the SI unit of electric current?
Ampere
ExplanationUnit of measurement for the flow of electric charge
#10
What is the process by which water vapor changes into liquid water?
Condensation
ExplanationTransition of water vapor into liquid form
#11
Which of the following is NOT a type of simple machine?
Spring
ExplanationNot considered a simple machine; it is a component of various mechanical systems
#12
What is the process by which plants release water vapor through their leaves?
Transpiration
ExplanationRelease of water vapor from plant leaves into the atmosphere
#13
What is the study of the Earth's atmosphere called?
Meteorology
ExplanationScientific study of weather patterns and atmospheric conditions
#14
What is the primary function of DNA?
Genetic information storage
ExplanationStores genetic instructions necessary for the development and functioning of living organisms
#15
What is the process by which a cell divides into two daughter cells?
Mitosis
ExplanationCell division resulting in two genetically identical daughter cells
#16
What is the speed of light in a vacuum?
299,792,458 meters per second
ExplanationConstant speed at which light travels in a vacuum
#17
What is the unit of measurement for electric charge?
Coulomb
ExplanationStandard unit for measuring the quantity of electric charge
#18
Who proposed the theory of general relativity?
Albert Einstein
ExplanationRenowned physicist who proposed the theory of general relativity