15 PRACTICE MCQS ANSWER KEY & EXPLANATIONS AT END
CAMPBELL BIOLOGY: CHAPTER 1 PRACTICE EXAM
Topic: Evolution, the Themes of Biology, and Scientific Inquiry • Designed for AP Bio & Pre-Med Students
SECTION 1: PRACTICE QUESTIONS
Q1. Which level of biological organization includes all non-living components interacting with living organisms
in a specific area?
A) Community B) Ecosystem
C) Population D) Biosphere
Q2. Emergent properties are best defined as:
A) Inherited traits passed mendelially B) Properties that emerge as structural complexity
increases
C) Cellular adaptations to extreme heat D) One-way energy flow in photosynthetic producers
Q3. Which feature is uniquely present in Eukaryotic cells compared to Prokaryotic cells?
A) Ribosomes B) Lipid plasma membrane
C) Membrane-bound nucleus & organelles D) Double-stranded DNA
Q4. Blood clotting following vascular injury represents which biological feedback mechanism?
A) Negative feedback B) Positive feedback
C) Abiotic cycling D) Competitive inhibition
Q5. In a controlled experiment, the specific variable manipulated directly by the researcher is the:
A) Dependent variable B) Controlled variable
C) Independent variable D) Qualitative variable
Q6. Which sequence correctly reflects the Central Dogma of Molecular Biology?
A) Protein → mRNA → DNA B) DNA → Translation → mRNA → Transcription
C) DNA → Transcription → mRNA → Translation → Protein D) mRNA → DNA → Protein
Q7. Prokaryotes capable of surviving in extreme conditions (such as boiling hydrothermal vents) belong to:
A) Domain Bacteria B) Domain Archaea
C) Domain Eukarya D) Kingdom Protista
Campbell Biology 12th/13th Ed. • Chapter 1 Practice Test Page 1 of 4
CAMPBELL BIOLOGY: CHAPTER 1 PRACTICE EXAM
Topic: Evolution, the Themes of Biology, and Scientific Inquiry • Designed for AP Bio & Pre-Med Students
SECTION 1: PRACTICE QUESTIONS
Q1. Which level of biological organization includes all non-living components interacting with living organisms
in a specific area?
A) Community B) Ecosystem
C) Population D) Biosphere
Q2. Emergent properties are best defined as:
A) Inherited traits passed mendelially B) Properties that emerge as structural complexity
increases
C) Cellular adaptations to extreme heat D) One-way energy flow in photosynthetic producers
Q3. Which feature is uniquely present in Eukaryotic cells compared to Prokaryotic cells?
A) Ribosomes B) Lipid plasma membrane
C) Membrane-bound nucleus & organelles D) Double-stranded DNA
Q4. Blood clotting following vascular injury represents which biological feedback mechanism?
A) Negative feedback B) Positive feedback
C) Abiotic cycling D) Competitive inhibition
Q5. In a controlled experiment, the specific variable manipulated directly by the researcher is the:
A) Dependent variable B) Controlled variable
C) Independent variable D) Qualitative variable
Q6. Which sequence correctly reflects the Central Dogma of Molecular Biology?
A) Protein → mRNA → DNA B) DNA → Translation → mRNA → Transcription
C) DNA → Transcription → mRNA → Translation → Protein D) mRNA → DNA → Protein
Q7. Prokaryotes capable of surviving in extreme conditions (such as boiling hydrothermal vents) belong to:
A) Domain Bacteria B) Domain Archaea
C) Domain Eukarya D) Kingdom Protista
Campbell Biology 12th/13th Ed. • Chapter 1 Practice Test Page 1 of 4
