Assistant Director Toxicology Exam 2025 TOX 1
- Year 2025
- Conducted By Haryana Government
- Questions 15
- Maximum Marks 150
- Duration 3 Hours
- Languages English & Hindi
Exam Details
| Detail | Information |
|---|---|
| Examination | Assistant Director/ Senior Scientific Officer (Toxicology) |
| Year | 2025 |
| Conducting Body | Haryana Government |
| Paper | Toxicology |
| Subject | Toxicology |
| Duration | 3 Hours |
| Maximum Marks | 150 |
| Number of Questions | 15 |
This dataset compiles PAGE 1 and PAGE 2 OCR content for the Haryana Government recruitment exam: Assistant Director/Senior Scientific Officer (Toxicology). Page 1 provides general exam metadata, instructions, duration, language, and compulsory nature of questions; Page 2 presents nine descriptive questions (labeled 1–9) related to instrumental toxicology, validation, ICP-MS, organophosphorus chemistry, matrix effects, postmortem artefacts, and analytical choices in LC-HRMS vs Orbitrap vs Triple Quad MS. The OCR has been repaired to reflect distinct questions with 10 marks each; the total exam comprises 15 questions with no extra sheets. The combined pages outline key study themes in forensic toxicology and instrumental methods, useful for SEO and study planning.
Major Topics Covered
- toxicology exam
- instrumental validation
- matrix validation
- benzodiazepines
- ICP-MS
- trace metals
- postmortem redistribution
- metabolite profiling
- viscera sampling
- sample preservation
- LC-MS
- HRMS
- SPE
- QuEChERS
- microextraction
- toxicology screening
- analytical methods
- forensic interpretation
- drug trends India
- evidentiary reliability
Why This Paper is Important
- Useful for Assistant Director/ Senior Scientific Of preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
Related Resources
Instructions
- XOT CANDIDATE COPY 2025 FILL Lamai Roll No. Time: 3 hours Maximum Marks: 150 समय: 3 घंटे अधिकतम अंक: 150
- प्रश्न पत्र के लिए विशिष्ट अनुदेश (Please read the following instructions carefully before attempting questions) (कृपया प्रश्नों का उत्तर देने से पहले निम्नलिखित निर्देशों को ध्यान से पढ़ें) There are fifteen (15) questions in all.
- นส่วน ในหลางโรงเดิน เจตเรเติมปีกรรมสูงสุดสุด แต่มาป कुल पंद्रह (15) प्रश्न हैं। and quantitation.
- What is matrix validation an All questions are compulsory.
- सभी प्रश्न अनिवार्य हैं। Austriana Iverki piwakit string i krogslike, med stadt brigge i No extra/additional sheet will be provided.
- There up latter a league and an
- कोई अतिरिक्त / विशेष शीट प्रदान नहीं की जाएगी। Condessor ball are hereline, sasper Answer must be written in the authorized medium.
- No marks will be given for
- answers written in a medium other than the authorized one. उत्तर अधिकृत माध्यम में ही लिखना होगा। अधिकृत माध्यम के अलावा किसी अन्य माध्यम में लिखे गए उत्तरों के लिए कोई अंक नहीं दिए जाएंगे। All questions carry equal marks i.e. 10 each.
- The language construction of the con-
- सभी प्रश्न समान अंक वाले हैं, अर्थात् प्रत्येक 10 अंक का है। अल्लासर का का का सारा सारा Each Question should be answered within the space provided for that particular
- question. Otherwise, the answer given will not be evaluated. प्रत्येक प्रश्न का उत्तर उसके लिए निर्धारित स्थान पर ही लिखा जाए। अन्यथा, दिए गए उत्तर का मूल्यांकन नहीं किया जाएगा। Out Chief's and nietro-extended in foreste in foreste toshoulous XOT 2025 ses TOX 1
Questions (page 2)
Q1. CANDIDATE COPY HDX Discuss the validation parameters (selectively, accuracy, precision, limit of detection, 10 1. and robustness) for instrumental toxicological methods. Why is validation more crucial in judicially admissible analyses? 85. In a case involving suspected benzodiazepine overdose, explain the sample preservation, 10
Q2. sample preparation and instrumental techniques. Justify your selection based on matrix, analyte polarity, and stability. · #44 RAA ROMANIZE Elaborate on the principle and forensic application of inductively coupled plasma mass 10 3. spectrometry (ICP-MS) and any two extraction methods for trace metal detection from biological matrices. 10092 1953 indi ve ev teo Discuss the mechanism of toxicity, metabolism, and postmortem redistribution of 10 4. organophosphorus compounds. How can metabolite profiling assist in confirming poisoning in cases of delayed death? In the absence of viscera, blood, and urine, discuss alternative matrices for toxicological 10 5. screening and quantitation. What is matrix validation, and how can it impact evidentiary reliability? All questions six analysis and obje, genr fina Critically analyze challenges in inter-laboratory reproducibility of toxicological results 10 6. in India. Suggest practical approaches for harmonizing protocols for extraction from viscera, calibration, and reporting. than a far roy sit wind i raining he Discuss postmortem artefacts that can mimic toxicological findings. Propose analytical 10 7. strategies to differentiate true toxicant presence from such artefacts. If you had to choose between LC-HRMS, Orbitrap, and Triple Quad MS for routine 10 8. vs. special-case toxicological screening, what factors would influence your decision? Support with toxicodynamics and forensic interpretation of synthetic opioids or NPS in the context of emerging drug abuse trends in India. hawwend of himse mateuril fish habivnas sessa adi nijitar Solid-phase extraction (SPE) and micro-extraction techniques have largely replaced 10 9. liquid-liquid extraction techniques. Critically evaluate the pros and cons of SPE, QuEChERS, and micro-extraction methods in forensic toxicology. ess TOX 2 XOT 2025
Q2. sample preparation and instrumental techniques. Justify your selection based on matrix, analyte polarity, and stability. · #44 RAA ROMANIZE Elaborate on the principle and forensic application of inductively coupled plasma mass 10 3. spectrometry (ICP-MS) and any two extraction methods for trace metal detection from biological matrices. 10092 1953 indi ve ev teo Discuss the mechanism of toxicity, metabolism, and postmortem redistribution of 10 4. organophosphorus compounds. How can metabolite profiling assist in confirming poisoning in cases of delayed death? In the absence of viscera, blood, and urine, discuss alternative matrices for toxicological 10 5. screening and quantitation. What is matrix validation, and how can it impact evidentiary reliability? All questions six analysis and obje, genr fina Critically analyze challenges in inter-laboratory reproducibility of toxicological results 10 6. in India. Suggest practical approaches for harmonizing protocols for extraction from viscera, calibration, and reporting. than a far roy sit wind i raining he Discuss postmortem artefacts that can mimic toxicological findings. Propose analytical 10 7. strategies to differentiate true toxicant presence from such artefacts. If you had to choose between LC-HRMS, Orbitrap, and Triple Quad MS for routine 10 8. vs. special-case toxicological screening, what factors would influence your decision? Support with toxicodynamics and forensic interpretation of synthetic opioids or NPS in the context of emerging drug abuse trends in India. hawwend of himse mateuril fish habivnas sessa adi nijitar Solid-phase extraction (SPE) and micro-extraction techniques have largely replaced 10 9. liquid-liquid extraction techniques. Critically evaluate the pros and cons of SPE, QuEChERS, and micro-extraction methods in forensic toxicology. ess TOX 2 XOT 2025
Q3. 3. Elaborate on the principle and forensic application of inductively coupled plasma mass spectrometry (ICP-MS) and any two extraction methods for trace metal detection from biological matrices.
Q4. 4. Discuss the mechanism of toxicity, metabolism, and postmortem redistribution of organophosphorus compounds. How can metabolite profiling assist in confirming poisoning in cases of delayed death? In the absence of viscera, blood, and urine, discuss alternative matrices for toxicological screening and quantitation.
Q5. 5. What is matrix validation, and how can it impact evidentiary reliability? All questions carry 10 marks.
Q6. 6. Critically analyze challenges in inter-laboratory reproducibility of toxicological results in India. Suggest practical approaches for harmonizing protocols for extraction from viscera, calibration, and reporting.
Q7. 7. Discuss postmortem artefacts that can mimic toxicological findings. Propose analytical strategies to differentiate true toxicant presence from such artefacts.
Q8. 8. If you had to choose between LC-HRMS, Orbitrap, and Triple Quad MS for routine vs. special-case toxicological screening, what factors would influence your decision? Support with toxicodynamics and forensic interpretation of synthetic opioids or NPS in the context of emerging drug abuse trends in India.
Q9. 9. Solid-phase extraction (SPE) and micro-extraction techniques have largely replaced liquid-liquid extraction techniques. Critically evaluate the pros and cons of SPE, QuEChERS, and micro-extraction methods in forensic toxicology.
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Frequently asked questions
What is the full exam title?
Assistant Director/Senior Scientific Officer (Toxicology) examination conducted by the Haryana Government.
When was the exam held?
08 November 2025, Morning Session.
What is the duration and maximum marks for the paper?
3 hours and 150 maximum marks.
How many questions are there and are all compulsory?
There are fifteen (15) questions in total and all questions are compulsory.
Are there extra sheets provided?
No extra sheet will be provided.
What languages are used?
Paper uses English with bilingual instructions in Hindi where applicable.