TEST BANK FOR HUMAN BIOLOGY QUESTIONS
AND COMPLETE ANSWERS NEWEST UPDATED
2026-2027 REAL EXAM (VERIFIED ANSWERS)
ALREADY GRADED A+
Cells
Basic structural and functional units of life.
Cell Transport
Movement of substances across cell membranes.
Tissues
Groups of similar cells performing a function.
,Metabolism
Chemical processes for maintaining life.
Enzymes
Biological catalysts speeding up chemical reactions.
Respiration
Process of converting glucose into energy.
Scientific Method
Logical approach for solving scientific problems.
Observations
Information gained through the senses.
,Inferences
Explanations based on observations.
Hypotheses
Testable statements linking two variables.
Independent Variable
Manipulated variable in an experiment.
Dependent Variable
Measured outcome affected by the independent variable.
Controlled Variables
Variables kept constant to ensure valid results.
, Uncontrolled Variables
Overlooked variables affecting experiment outcomes.
Placebo
Inactive substance resembling real medication.
Blind Experiment
Participants unaware of treatment type received.
Double Blind Experiment
Neither participants nor researchers know treatment type.
Validity
Extent to which an experiment measures what intended.
Reliability
AND COMPLETE ANSWERS NEWEST UPDATED
2026-2027 REAL EXAM (VERIFIED ANSWERS)
ALREADY GRADED A+
Cells
Basic structural and functional units of life.
Cell Transport
Movement of substances across cell membranes.
Tissues
Groups of similar cells performing a function.
,Metabolism
Chemical processes for maintaining life.
Enzymes
Biological catalysts speeding up chemical reactions.
Respiration
Process of converting glucose into energy.
Scientific Method
Logical approach for solving scientific problems.
Observations
Information gained through the senses.
,Inferences
Explanations based on observations.
Hypotheses
Testable statements linking two variables.
Independent Variable
Manipulated variable in an experiment.
Dependent Variable
Measured outcome affected by the independent variable.
Controlled Variables
Variables kept constant to ensure valid results.
, Uncontrolled Variables
Overlooked variables affecting experiment outcomes.
Placebo
Inactive substance resembling real medication.
Blind Experiment
Participants unaware of treatment type received.
Double Blind Experiment
Neither participants nor researchers know treatment type.
Validity
Extent to which an experiment measures what intended.
Reliability
