Tools for educators

AI Test Generator

Generate draft questions from prompts and subject filters, review answers and formatting, then deliver assessments. Extracting existing PDF questions is a separate workflow.

Explore features

Inside the platformRecreated UI · Sample content, not customer results

ThePrepLab helps educators extract existing questions from PDFs, generate new questions from topic and difficulty instructions, and edit questions with AI. These are three separate workflows. Educators review questions, answer keys and explanations before adding the material to a test.

Turn your PDFs into a question bank.

Upload a paper, review the transcription and extract questions into your workspace.

Create / Extract PDF

Physics practice paper

Ready to review

1 · Upload PDF2 · Review transcription3 · Extract questions

physics-practice.pdfPDF

YOUR ACADEMY

Physics — Practice Paper

Thermodynamics10 questions

1. A gas absorbs 500 J of heat and does 200 J of work. Find the change in internal energy.

A. 700 J
B. 300 J
C. 200 J
D. −300 J

2. A body of mass 2 kg accelerates at 3 m/s². Find the force acting on it.

Page 1 of 4

Extracted textPage 1

AI TRANSCRIPTION Complete

PHYSICS · THERMODYNAMICS

Q1. A gas absorbs 500 J of heat and does 200 J of work. Find the change in internal energy.

(A) 700 J
(B) 300 J
(C) 200 J
(D) −300 J

Answer: B
Solution: ΔU = Q − W = 300 J

Transcription complete. Review the text before extracting questions.

physics-practice.pdf · 4 pagesExtract questions

Tell AI what your test should cover.

Choose the subject, format and difficulty. Review the generated questions before using them.

Create / Questions

Generate with AI

AI generation

What should the questions cover?

Create a JEE-level Physics test on thermodynamics and laws of motion. Include clear explanations for each answer.

Question format

Multiple choice

Difficulty

Medium

Questions

10 questions

Language

English

Generate questions

AI TEST GENERATION

Generation completeReview your questions below

Questions10

Topics2

Single choice

A gas absorbs 500 J of heat and does 200 J of work. What is ΔU?

300 J

Physics · Thermodynamics · Medium

Explore a generated question

Question 01Single choice

A gas absorbs 500 J of heat and does 200 J of work. What is the change in its internal energy?

A700 J

B300 J

C200 J

D−300 J

Explanation

By the first law of thermodynamics, ΔU = Q − W = 500 − 200 = 300 J.

Physics · Thermodynamics · Medium

Refine a whole set of questions.

Change the language, simplify a question or give the AI editor your own instructions.

Tests / Physics practice

AI Question Editor

10 questions selected

Bulk AI edit

Edit type

Question variation

Preset

Simplify the wording

Your instructions

Keep the concept and correct answer. Make the wording easier to understand for Class 11 students.

Apply the same instruction to the selected questions.

Preview on one question

OriginalAI preview

QUESTION 01 · PREVIEW

Calculate the change in internal energy of a gaseous system that absorbs 500 J of thermal energy while performing 200 J of work.

Simplified question

A gas takes in 500 J of heat and does 200 J of work. How much does its internal energy change?

ΔU = 500 − 200 = 300 J

Answer preservedConcept unchanged

What you can do with it.

Review math equations and science content before publishing

AI-assisted answer keys and solutions, checked by educators

Export to branded PDF or run live online tests

More about this feature

Keep question generation and PDF extraction separate in your evaluation. Check generated answers, source fidelity, equations and diagrams with a subject teacher before publishing.

How AI is Revolutionizing Test Generation

Follow along

See the workflow in action.

Generate a question paper with AI

Follow the AI Agent workflow: choose a template or prompt, select question formats and counts, review the draft and copy questions into a test.

Watch on YouTube · Read the step-by-step guide

Published 2026-09-23 · 3:15 · English

Extract questions from a PDF

Upload a PDF, prepare it for extraction, extract its questions and review or edit the result before saving.

Watch on YouTube · Read the step-by-step guide

Published 2026-09-23 · 2:44 · English

Export a test paper with your institute branding

Prepare a printable test with layout settings, institute logo, header, footer, watermark, solutions and answer key.

Watch on YouTube · Read the step-by-step guide

Published 2026-09-29 · 3:26 · English

Useful details

Your questions, answered.

Can I use ThePrepLab as an AI quiz maker or AI quiz generator?

Use the AI test-generation workflow to draft questions for a quiz, then review the questions, options, answer keys and difficulty before delivery. Confirm supported question types and output formats using your own teaching requirements.

How is an AI quiz generator different from converting a PDF to a test?

Generation creates draft questions from your instructions. PDF extraction works with questions already present in your source paper. In both cases, an educator should verify correctness; choose extraction when preserving the original questions is the priority.

Can the AI extract complex LaTeX math equations?

Math content is supported, but source quality affects extraction. Review equations, diagrams and answer keys before publication.

Does the system automatically generate answer keys?

AI can assist with answer keys and solutions. An educator should verify their correctness and suitability before students use them.

How is this better than Classplus, Graphy, Learnyst, AppX, or Proctur?

Compare current capabilities with your own sample questions and student workflow. ThePrepLab combines AI-assisted question workflows and assessment delivery; verify current features from each vendor and commercial terms.

Do you support institutes in major hubs like Kota, Delhi, and Hyderabad?

Educators can request a demo using their own requirements. Confirm supported workflows, deployment and support arrangements in the proposal.

See how it fits your teaching.

Get a walkthrough of the tools, setup and plan for your business.