#1
What is the first step in the scientific method?
Observation
ExplanationInitial data collection and analysis.
#2
In mathematics, what is a prime number?
A number divisible by only 1 and itself
ExplanationFundamental building blocks of natural numbers.
#3
Which branch of mathematics deals with the properties and relationships of shapes and space?
Geometry
ExplanationStudy of size, shape, and space properties.
#4
Which kingdom do fungi belong to in the classification of living organisms?
Fungi
ExplanationEukaryotic organisms that include molds, yeasts, and mushrooms.
#5
What does the term 'nullius in verba' represent in the scientific community?
A Latin phrase meaning 'in the words of no one'
ExplanationEmphasizes empirical evidence over authority or dogma.
#6
Which of the following is a measure of biodiversity?
Number of species
ExplanationQuantifies the variety of life forms in a given area.
#7
Who proposed the theory of evolution by natural selection?
Charles Darwin
ExplanationIntroduced the concept of natural selection as the mechanism for evolution.
#8
What is the purpose of a control group in an experiment?
To provide a basis for comparison
ExplanationEstablishes a standard against which results can be compared.
#9
Which taxonomic rank is higher than genus but lower than family?
Order
ExplanationGrouping organisms based on similarities and evolutionary relationships.
#10
What is the purpose of the scientific peer-review process?
To validate research findings
ExplanationEnsures credibility and reliability of research.
#11
What is the significance of irrational numbers in mathematics?
They cannot be expressed as fractions
ExplanationNumbers with non-repeating, non-terminating decimal expansions.
#12
Which of the following is a characteristic of a well-designed experiment?
Random assignment
ExplanationReduces bias and ensures equal chance for all subjects.
#13
Which scientist is known for the development of the double-helix model of DNA?
Francis Crick
ExplanationContributed to the understanding of DNA's structure and function.
#14
What is the main purpose of the peer-review process in scientific research?
To ensure the accuracy and quality of research
ExplanationCritical evaluation by experts to maintain research integrity.
#15
In evolutionary biology, what does the term 'adaptation' refer to?
A trait that increases an organism's chance of survival and reproduction
ExplanationEnhances an organism's fitness in its environment.