NCL Lab Technician (Pathology) Exam Paper 2020 🔥 | Best तैयारी for NCL Exam 2026 | Full Analysis

The video introduces the analysis of the NCL Northern Coalfields Limited Lab Technician (Pathology) written exam paper from 2020. This analysis is crucial for candidates preparing for the 2026 exam to understand the question pattern and prepare effectively.

This section covers questions related to human anatomy and diseases. Question 4 identifies the neuron as the basic functional unit of the brain. Question 5 explains Wilson's disease, caused by the accumulation of copper. Question 6 highlights iron's importance in hemoglobin for oxygen transport. Question 7 links osteoporosis to calcium deficiency, often compounded by Vitamin D deficiency. Question 8 identifies the skin as the body's largest organ.

The video then delves into laboratory techniques. Question 9 discusses the use of cell counters for HB estimation, differential counts (DLC), and platelet counts. Question 10 asks for a nuclear stain (Hemoxylin) and its function in staining DNA/RNA. Question 11 identifies Von Kossa as the stain used for calcium.

This part covers various medical terms and conditions. Question 12 focuses on fungal stains. Question 14 differentiates causes of heart attack from Marasmus, which is a protein-energy malnutrition. Question 15 defines ESR (Erythrocyte Sedimentation Rate) as a marker for systemic inflammation.

Question 16 explains that Vacutainers are used for collecting blood samples for investigation. Question 17 defines electrolytes as substances whose aqueous solutions conduct electricity.

Question 18 identifies milk as a rich source of calcium. Question 19 discusses various methods for ESR estimation, excluding the electrical method, while Westergren, automated, and Wintrobe methods are valid.

Question 20 covers the dilution fraction (1:20) for Eosinophil counts. Question 21 details CASA (Computer-Assisted Semen Analysis) for evaluating sperm. Question 22 clarifies that exfoliative cytology, immunohistochemistry (IAC), and fluorescence in situ hybridization (FISH) are all branches of pathology. Question 23 explains FNAC (Fine Needle Aspiration Cytology).

Question 24 addresses EDTA's use in CBC, HbA1c estimation, and its presence in purple-top Vacutainers. Question 25 corrects the color code for CBC-EDTA tubes, stating it should be lavender or purple, not green.

The video concludes by mentioning that this was Part 1, covering questions up to 25. Parts 2 and 3 will cover subsequent questions (26-50 and 51-70, respectively). The presenter encourages viewers to subscribe for future notifications and wishes them luck for their exams.

The first questions focus on vitamins. Question 1 asks about fat-soluble vitamins (A, D, E, K) and their storage and potential toxicity. Question 2 discusses Vitamin K's role in synthesizing prothrombin, essential for blood clotting. Question 3 covers Vitamin B12, also known as Cobalamin or Cyanocobalamin.