WorksheetsPLTW PBS
Total questions: 15
Worksheet time: 15mins
Which letter represents a histone?
A
B
C
D
Which letter represents a chromosome?
A
B
C
D
Which suspect's DNA was found at the crime scene?
1
2
3
4
Which band is created by the LONGEST DNA fragments?
A
B
C
What does the W and X represent on the diagram above?
deoxyribose sugar
phosphate
A-T base pair
C-G base pair
What fingerprint ridge pattern is seen here?
whorl
loop
arch
fork
What is the primary focus of the PLTW PBS curriculum?
Human body systems
Chemical reactions
Physics principles
Environmental science
In the context of PLTW PBS, which system is responsible for transporting nutrients and oxygen throughout the body?
Digestive system
Respiratory system
Circulatory system
Nervous system
Which of the following is a key component of the PLTW PBS course when studying diseases?
Understanding genetic mutations
Analyzing chemical compounds
Exploring physical laws
Studying astronomical phenomena
In PLTW PBS, what is the significance of using a control group in an experiment?
To increase the sample size
To provide a standard for comparison
To ensure the experiment is ethical
To reduce the cost of the experiment
Which of the following best describes a feedback loop in the context of PLTW PBS?
A process that amplifies changes
A cycle that maintains homeostasis
A sequence of random events
A linear progression of steps
In PLTW PBS, what is the role of insulin in the human body?
To break down proteins
To regulate blood sugar levels
To transport oxygen
To fight infections
How does PLTW PBS approach the study of forensic science?
By analyzing historical documents
By examining crime scene evidence
By studying plant biology
By exploring space phenomena
What is the purpose of a hypothesis in a PLTW PBS experiment?
To summarize the results
To predict the outcome
To list the materials needed
To describe the procedure
In PLTW PBS, which of the following is an example of a real-world application of biotechnology?
Developing renewable energy sources
Creating genetically modified organisms
Designing architectural structures
Exploring deep-sea ecosystems
