Free Practice Questions for BUT Génie Biologique

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Sample BUT Génie Biologique Practice Questions

Try these sample questions to review concepts for the BUT Génie Biologique exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 10+ question experience with AI tutoring.

1A calibration blank produces a measurable absorbance. What should the analyst do before accepting sample results?

A.Investigate the blank, reagents, cuvette, and instrument baseline under the procedure

B.Subtract an arbitrary value from every result

C.Report only samples with high absorbance

D.Replace the blank with the lowest sample result

Explanation: A nonconforming blank can indicate contamination, reagent background, or an instrument problem. The cause must be assessed under the method before results are validated.

2Replicate measurements are tightly grouped but all differ substantially from a certified reference value. How should the results be described?

A.Accurate but imprecise

B.Precise but biased

C.Accurate and unbiased

D.Neither repeatable nor systematically shifted

Explanation: Close replicate values indicate precision, while consistent departure from the reference indicates bias and poor trueness. Precision alone does not establish accuracy.

3What is the main purpose of a negative control in a PCR experiment?

A.To estimate the target's melting temperature

B.To maximize amplification yield

C.To reveal contamination or nonspecific amplification when target template is absent

D.To replace the positive control

Explanation: A negative control contains the reaction components without the target template. Amplification in that control signals contamination or nonspecific product and calls the run into question.

4An experiment compares three treatments, but each treatment is applied to samples from a different production day. What is the central design problem?

A.The response variable is continuous

B.The experiment includes replication

C.The treatments have names

D.Treatment is confounded with production day

Explanation: Because treatment and day change together, their effects cannot be separated. Randomization or blocking across days would be needed to support a causal treatment comparison.

5A sample identifier on a tube does not match the worksheet. What is the correct quality response?

A.Choose the identifier that looks more plausible

B.Quarantine the sample and resolve the discrepancy through the traceability procedure

C.Analyze it and correct the record after reporting

D.Relabel it using the previous sample's identifier

Explanation: Identity uncertainty compromises the link between sample and result. The sample should be controlled as a nonconformity until traceability is restored under the procedure.

6Why must a laboratory method change be documented and evaluated before routine use?

A.To make the procedure longer

B.To ensure old results are deleted

C.To show that the changed method remains fit for its intended use

D.To avoid training staff

Explanation: Change control links the proposed modification to risk assessment, verification or validation, approval, and training. It protects result validity and traceability.

7A dataset contains a strong right-skew and one extreme value. Which summary is generally more robust for the center?

A.Variance

B.Range

C.Arithmetic mean

D.Median

Explanation: The median depends on rank and is less influenced by an extreme value than the mean. Dispersion measures such as variance and range do not summarize the center.

8A statistical test returns a small p-value. Which conclusion is justified without additional information?

A.The observed data are comparatively incompatible with the null model under the test assumptions

B.The alternative hypothesis has been proved true

C.The effect is necessarily large and important

D.The study has no bias

Explanation: A p-value describes the data's compatibility with a specified null model under assumptions. It does not prove a hypothesis, measure practical importance, or rule out bias.

9What should a worker do after a biological spill when the local procedure requires controlled decontamination?

A.Select a disinfectant from memory and vary its concentration

B.Secure the area and follow the validated spill procedure, including suitable PPE, product, contact time, and waste route

C.Continue nearby work until the spill dries

D.Move contaminated material through the clean area

Explanation: Biological-spill response is risk based and procedure controlled. Product compatibility, concentration, contact time, protective equipment, and waste handling must all be respected.

10Why is a current safety data sheet consulted before using an unfamiliar chemical reagent?

A.To determine the experimental result in advance

B.To replace the laboratory's risk assessment

C.To identify hazards, controls, storage, first aid, and disposal information

D.To certify that any mixture with the reagent is safe

Explanation: The safety data sheet provides standardized hazard and handling information needed for risk control. It informs but does not replace task-specific assessment and local procedures.

About the BUT Génie Biologique Exam

BUT Génie Biologique develops analytical, experimental, production, quality, data, and professional competencies across several biological-engineering pathways.

Exam sponsor: French Instituts universitaires de technologie and universities under the higher-education ministry. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

A six-semester, 180-ECTS national university qualification with common biological-engineering competencies and pathway-specific learning outcomes.

Time Limit

Six semesters; assessment timing is set by the delivering IUT within the national framework

Passing Score

Award requires validation of the program and 180 ECTS under current BUT rules; no universal single-paper pass mark applies

Exam / Certification Fees

No separate nationwide final-exam fee is published; current public-university registration rights and institutional charges apply

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

40%

Analysis and experimentation

Sampling, method selection, controls, measurement, interpretation, and troubleshooting.

40%

Production, quality, and data

Process control, documentation, statistics, traceability, and improvement.

20%

Safety and professional practice

Risk assessment, communication, ethics, and teamwork.

Preparing for the BUT Génie Biologique Exam

What You Need to Know

Passing score: Award requires validation of the program and 180 ECTS under current BUT rules; no universal single-paper pass mark applies
Assessment: A six-semester, 180-ECTS national university qualification with common biological-engineering competencies and pathway-specific learning outcomes.
Time limit: Six semesters; assessment timing is set by the delivering IUT within the national framework
Exam / certification fees: No separate nationwide final-exam fee is published; current public-university registration rights and institutional charges apply Official sources

Using Our Practice Resources

Work through all 10 available questions
Review every answer and explanation
Track weak areas and revisit them
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BUT Génie Biologique: Suggested Study Strategy

1Explain why each control supports a valid laboratory conclusion.

2Supplement recall with practical work, SAE projects, and French written and oral practice.

Frequently Asked Questions

Is the BUT GB one national examination?

No. It is an assessed national qualification delivered through authorized IUT programs.

Is this bank an official English version?

No. The official program is taught and assessed in French; the bank is an MCQ study adaptation.