30 Pharma & Specialty Chemicals questions from the Plant Operations bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
Free to start: the 2-minute CH readiness check — six questions and a result.
A.current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
B.document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
C.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
D.proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
Answer + AI explanation with Pro
2. Which term means: "current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control"?
Junior
A.Reaction hazard screening
B.cGMP
C.Process validation stages
D.ALCOA+ data integrity
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.cGMP — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
B.cGMP — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
C.cGMP — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
D.cGMP — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
Answer + AI explanation with Pro
4. What is Batch manufacturing record?
Junior
A.Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
B.installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
C.document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
D.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
Answer + AI explanation with Pro
5. Which term means: "document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release"?
Junior
A.Solvent recovery
B.Process validation stages
C.Cleaning validation
D.Batch manufacturing record
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Batch manufacturing record — DSC for decomposition onset, reaction calorimetry for heat release and accumulation, and gas evolution tests before a new process reaches plant scale
B.Batch manufacturing record — document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
C.Batch manufacturing record — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
D.Batch manufacturing record — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
Answer + AI explanation with Pro
7. What is Cleanroom classification?
Junior
A.DSC for decomposition onset, reaction calorimetry for heat release and accumulation, and gas evolution tests before a new process reaches plant scale
B.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
C.proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
D.ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
Answer + AI explanation with Pro
8. Which term means: "ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling"?
Junior
A.Process validation stages
B.Cleaning validation
C.Cleanroom classification
D.Revised Schedule M
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.Cleanroom classification — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
B.Cleanroom classification — document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
C.Cleanroom classification — ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
D.Cleanroom classification — proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
Answer + AI explanation with Pro
10. What is IQ/OQ/PQ?
Junior
A.records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
B.distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
C.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
D.installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
Answer + AI explanation with Pro
11. Which term means: "installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product"?
Junior
A.Batch manufacturing record
B.ALCOA+ data integrity
C.IQ/OQ/PQ
D.Process validation stages
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.IQ/OQ/PQ — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
B.IQ/OQ/PQ — document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
C.IQ/OQ/PQ — distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
D.IQ/OQ/PQ — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
Answer + AI explanation with Pro
13. What is Process validation stages?
Mid
A.records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
B.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
C.proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
D.current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
Answer + AI explanation with Pro
14. Which term means: "FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification"?
Mid
A.IQ/OQ/PQ
B.Process validation stages
C.Reaction hazard screening
D.Solvent recovery
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Process validation stages — FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
B.Process validation stages — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
C.Process validation stages — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
D.Process validation stages — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
Answer + AI explanation with Pro
16. What is Cleaning validation?
Mid
A.ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
B.distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
C.Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
D.proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
Answer + AI explanation with Pro
17. Which term means: "proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value"?
Mid
A.Cleaning validation
B.Solvent recovery
C.Batch manufacturing record
D.Cleanroom classification
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Cleaning validation — distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
B.Cleaning validation — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
C.Cleaning validation — proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
D.Cleaning validation — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
Answer + AI explanation with Pro
19. What is Solvent recovery?
Mid
A.Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
B.installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
C.distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
D.FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
Answer + AI explanation with Pro
20. Which term means: "distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles"?
Mid
A.cGMP
B.ALCOA+ data integrity
C.Solvent recovery
D.Process validation stages
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Solvent recovery — FDA 2011 guidance of process design, process qualification (usually three consecutive batches) and continued process verification
B.Solvent recovery — distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
C.Solvent recovery — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
D.Solvent recovery — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
Answer + AI explanation with Pro
22. What is ALCOA+ data integrity?
Mid
A.ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
B.installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
C.records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
D.distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
Answer + AI explanation with Pro
23. Which term means: "records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters"?
Mid
A.Revised Schedule M
B.Solvent recovery
C.ALCOA+ data integrity
D.Reaction hazard screening
Answer + AI explanation with Pro
24. Which statement is correct?
Mid
A.ALCOA+ data integrity — installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
B.ALCOA+ data integrity — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
C.ALCOA+ data integrity — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
D.ALCOA+ data integrity — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
Answer + AI explanation with Pro
25. What is Reaction hazard screening?
Senior
A.DSC for decomposition onset, reaction calorimetry for heat release and accumulation, and gas evolution tests before a new process reaches plant scale
B.document recording every step, quantity, equipment and signature of a production batch, reviewed by QA before release
C.current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
D.ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
Answer + AI explanation with Pro
26. Which term means: "DSC for decomposition onset, reaction calorimetry for heat release and accumulation, and gas evolution tests before a new process reaches plant scale"?
Senior
A.cGMP
B.Cleanroom classification
C.Reaction hazard screening
D.Process validation stages
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.Reaction hazard screening — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
B.Reaction hazard screening — ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
C.Reaction hazard screening — records must be attributable, legible, contemporaneous, original and accurate, plus complete, consistent, enduring and available, enforced through FDA warning letters
D.Reaction hazard screening — DSC for decomposition onset, reaction calorimetry for heat release and accumulation, and gas evolution tests before a new process reaches plant scale
Answer + AI explanation with Pro
28. What is Revised Schedule M?
Senior
A.installation qualification checks equipment as installed against design; operational qualification tests functions across the range; performance qualification proves consistent output with product
B.Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
C.proof by swab and rinse analysis that residual API after cleaning is below a limit such as 10 ppm, 1/1000 of therapeutic dose or an HBEL-based value
D.distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
Answer + AI explanation with Pro
29. Which term means: "Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements"?
Senior
A.Process validation stages
B.Cleaning validation
C.Revised Schedule M
D.Cleanroom classification
Answer + AI explanation with Pro
30. Which statement is correct?
Senior
A.Revised Schedule M — Indian GMP under the Drugs and Cosmetics Rules aligned with WHO-GMP, made mandatory for MSMEs from 2025 with pharmaceutical quality system and product quality review requirements
B.Revised Schedule M — current good manufacturing practice under US 21 CFR 210/211, WHO TRS and Indian Schedule M, covering personnel, premises, documentation, validation and quality control
C.Revised Schedule M — ISO 14644 classes ISO 5 to ISO 8 or EU Grades A to D by particles per cubic metre; Grade A (ISO 5) is required for aseptic filling
D.Revised Schedule M — distillation of spent solvents to a validated purity specification for reuse, with mother-liquor segregation and a defined limit on recycle cycles
Answer + AI explanation with Pro
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