NEB Practicals
Practical Examination Resource Vault
Cleanly formatted lab manuals, viva question banks, and experiment log sheets for all NEB Class 11 & 12 science practicals — aligned to the current CDC internal assessment framework.
Internal Assessment Note
Practical exams carry 25 marks per subject. Viva questions are drawn directly from your experiment log. Download and fill your lab record systematically — examiners check completeness of observations and conclusions.
Class 12 Physics Lab Manual
Full experiment guide — optics, electricity, magnetism, and mechanics practicals with observation tables.
Class 11 Physics Lab Manual
Foundational experiments — Ohm's law, simple pendulum, resonance tube, and more with formatted log sheets.
Physics Viva Questions Bank
Curated viva Q&A mapped to each experiment — commonly asked by NEB examiners in internal assessments.
Experiment Record Template
Printable blank log sheet with Aim, Apparatus, Theory, Observations, Calculations, and Conclusions format.
Class 12 Chemistry Lab Manual
Titration, salt analysis, organic reactions — complete practical guide with observation grids and result formats.
Class 11 Chemistry Lab Manual
Flame tests, volumetric analysis, and qualitative identification experiments with structured record pages.
Chemistry Viva Questions Bank
Concept-based viva Q&A for titration, indicators, organic reactions, and qualitative salt analysis.
Salt Analysis Flow Chart
Systematic qualitative analysis decision tree — cation and anion identification with reagent and observation guide.
Class 12 Biology Lab Manual
Slide preparation, dissection guides, osmosis, photosynthesis, and enzyme experiments with diagram formats.
Class 11 Biology Lab Manual
Cell observation, plant anatomy, and ecological practicals — complete guides with labeled diagram templates.
Biology Viva Question Bank
Examiner-pattern viva Q&A for cell biology, genetics, ecology, and physiology practical experiments.
Class 12 CS Lab Manual
C programming practicals, database SQL exercises, and HTML/networking tasks with output formats and flowcharts.
Class 11 CS Lab Manual
Algorithm design, QBasic/C programming basics, number system conversion practicals and record templates.
CS Viva Questions Bank
Commonly asked viva Q&A for programming logic, database concepts, networking, and OS fundamentals.
Quick Viva Prep — Topic Index
Optics & Light
Refraction, lenses, prism, and optical instruments
12 Questions →Acid-Base Titration
Indicators, equivalence point, normality calculations
10 Questions →Cell Biology
Osmosis, plasmolysis, mitosis slide identification
14 Questions →Electricity & Circuits
Ohm's law, Wheatstone bridge, potentiometer
11 Questions →Programming Logic
Flowchart, algorithm, C syntax, data types
9 Questions →Salt Analysis
Cation/anion detection, reagent identification
13 Questions →