Missouri Biotechnology Technician
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. What is the primary role of a biotechnology technician?
A. Designing public health policies
B. Conducting experiments and supporting laboratory research
C. Managing hospital finances
D. Performing surgical procedures
Answer: B
Rationale: Biotechnology technicians primarily assist in laboratory
experiments, data collection, and research support activities.
2. Which structure is the basic unit of life?
A. Tissue
B. Organ
C. Cell
, D. System
Answer: C
Rationale: The cell is the fundamental structural and functional unit
of all living organisms.
3. DNA is primarily located in the:
A. Cytoplasm
B. Ribosome
C. Nucleus
D. Cell membrane
Answer: C
Rationale: In eukaryotic cells, DNA is stored in the nucleus.
4. What does PCR stand for?
A. Protein Cell Reaction
B. Polymerase Chain Reaction
C. Primary Cell Replication
D. Protein Coding Replication
Answer: B
Rationale: PCR is a technique used to amplify segments of DNA.
5. Which instrument is commonly used to magnify cells?
A. Centrifuge
B. Microscope
C. Spectrophotometer
, D. Incubator
Answer: B
Rationale: Microscopes allow visualization of cells and
microorganisms.
6. What is the function of a centrifuge?
A. Sterilize equipment
B. Separate substances based on density
C. Measure pH
D. Heat samples
Answer: B
Rationale: Centrifuges spin samples to separate components by
density.
7. Which molecule carries genetic information?
A. Lipids
B. Proteins
C. DNA
D. Carbohydrates
Answer: C
Rationale: DNA contains genetic instructions for living organisms.
8. Which is a key safety practice in biotechnology labs?
A. Eating in the lab
B. Wearing PPE
, C. Removing labels from chemicals
D. Mixing unknown chemicals freely
Answer: B
Rationale: Personal protective equipment reduces exposure to
hazards.
9. What is aseptic technique used for?
A. Increasing contamination
B. Preventing contamination
C. Heating samples
D. Freezing bacteria
Answer: B
Rationale: Aseptic techniques prevent contamination of cultures and
samples.
10. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Ribosome
C. Golgi apparatus
D. Lysosome
Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
11. What is the main purpose of sterilization?
A. Cool equipment
Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary role of a biotechnology technician?
A. Designing public health policies
B. Conducting experiments and supporting laboratory research
C. Managing hospital finances
D. Performing surgical procedures
Answer: B
Rationale: Biotechnology technicians primarily assist in laboratory
experiments, data collection, and research support activities.
2. Which structure is the basic unit of life?
A. Tissue
B. Organ
C. Cell
, D. System
Answer: C
Rationale: The cell is the fundamental structural and functional unit
of all living organisms.
3. DNA is primarily located in the:
A. Cytoplasm
B. Ribosome
C. Nucleus
D. Cell membrane
Answer: C
Rationale: In eukaryotic cells, DNA is stored in the nucleus.
4. What does PCR stand for?
A. Protein Cell Reaction
B. Polymerase Chain Reaction
C. Primary Cell Replication
D. Protein Coding Replication
Answer: B
Rationale: PCR is a technique used to amplify segments of DNA.
5. Which instrument is commonly used to magnify cells?
A. Centrifuge
B. Microscope
C. Spectrophotometer
, D. Incubator
Answer: B
Rationale: Microscopes allow visualization of cells and
microorganisms.
6. What is the function of a centrifuge?
A. Sterilize equipment
B. Separate substances based on density
C. Measure pH
D. Heat samples
Answer: B
Rationale: Centrifuges spin samples to separate components by
density.
7. Which molecule carries genetic information?
A. Lipids
B. Proteins
C. DNA
D. Carbohydrates
Answer: C
Rationale: DNA contains genetic instructions for living organisms.
8. Which is a key safety practice in biotechnology labs?
A. Eating in the lab
B. Wearing PPE
, C. Removing labels from chemicals
D. Mixing unknown chemicals freely
Answer: B
Rationale: Personal protective equipment reduces exposure to
hazards.
9. What is aseptic technique used for?
A. Increasing contamination
B. Preventing contamination
C. Heating samples
D. Freezing bacteria
Answer: B
Rationale: Aseptic techniques prevent contamination of cultures and
samples.
10. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Ribosome
C. Golgi apparatus
D. Lysosome
Answer: B
Rationale: Ribosomes assemble amino acids into proteins.
11. What is the main purpose of sterilization?
A. Cool equipment
