Apps and Tools
Practice tools, free resources and what to use them for.
Electromagnetic Induction Practice Questions JEE: 5 Drills
Use five original EMI drills with worked solutions to identify flux, direction and energy errors before moving to authentic JEE PYQs.
Founder, JEEnius - IIT Kanpur Alumni · Oct 22, 2026 · 8 min read
Electrochemistry Practice Questions JEE: 6 Solved Drills
Attempt six original electrochemistry questions, check the worked solutions, and use your setup errors to choose between concept drills, authenticated PYQs and full-length mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 21, 2026 · 8 min read
Dual Nature Practice Questions JEE: 6 Worked Solutions
Six original Dual Nature questions with worked solutions to diagnose concept, unit, graph and momentum errors before JEE Main or Advanced practice.
Founder, JEEnius - IIT Kanpur Alumni · Oct 20, 2026 · 8 min read
Differentiation Practice Questions JEE: 6 Worked Solutions
Solve six original differentiation questions, identify rule and differentiability errors, and choose between drills, mixed PYQs and full-length mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 19, 2026 · 8 min read
Differential Equations Practice Questions JEE: 5 Solved Drills
Attempt five original differential equations questions with worked solutions, diagnose method errors and decide when to move to JEE PYQs or full mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 18, 2026 · 8 min read
Determinants Practice Questions JEE: 5 Solved Drills
Attempt five original determinant drills with worked solutions, identify your errors and choose between targeted practice, chapterwise PYQs and full-length mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 17, 2026 · 7 min read
Definite Integration Practice Questions JEE: 5 Solved Drills
Five original JEE definite integration drills with worked solutions help you diagnose method errors and choose between targeted practice, PYQs and mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 16, 2026 · 8 min read
D Block Practice Questions JEE: 6 Free Solved Questions
Attempt six original d-block questions with worked explanations, then use your errors to choose NCERT drills, verified PYQs or timed mixed sets.
Founder, JEEnius - IIT Kanpur Alumni · Oct 15, 2026 · 8 min read
Current Electricity Practice Questions JEE: 5 Solved Drills
Attempt five original Current Electricity questions with worked solutions, then use your first incorrect step to choose concept drills, verified PYQs or full mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 14, 2026 · 8 min read
Coordination Compounds Practice Questions JEE: 6 Solved
Try six original coordination compounds questions, check worked solutions and use each error to choose between NCERT exercises and JEE PYQs.
Founder, JEEnius - IIT Kanpur Alumni · Oct 13, 2026 · 8 min read
Continuity Practice Questions JEE: 6 Solved Exercises
Practise six original JEE continuity questions with guided solutions, a mixed test and a question-by-question error repair plan.
Founder, JEEnius - IIT Kanpur Alumni · Oct 12, 2026 · 7 min read
Complex Numbers Practice Questions JEE: 6 Worked Solutions
Six original complex numbers questions with worked solutions help you identify errors and choose between concept drills, verified PYQs and mixed practice.
Founder, JEEnius - IIT Kanpur Alumni · Oct 11, 2026 · 7 min read
Circles Practice Questions JEE: 5 Worked Examples
Five original Circles questions with worked solutions help you identify errors and choose your next drills or JEE PYQs.
Founder, JEEnius - IIT Kanpur Alumni · Oct 10, 2026 · 7 min read
Chemical Kinetics Practice Questions JEE: 6 Worked Examples
Solve six original kinetics questions with worked solutions, identify the first incorrect step, and choose between drills, Main PYQs and Advanced PYQs.
Founder, JEEnius - IIT Kanpur Alumni · Oct 9, 2026 · 8 min read
Chemical Bonding Practice Questions JEE: 6 Worked Examples
Try six original Chemical Bonding questions with worked solutions, identify weak concepts and choose your next NCERT or JEE PYQ practice.
Founder, JEEnius - IIT Kanpur Alumni · Oct 8, 2026 · 10 min read
Carboxylic Acids Practice Questions JEE: 6 Worked MCQs
Attempt six original carboxylic acids MCQs, check the reasoning and choose chapter revision, authentic PYQs or full mocks based on your errors.
Founder, JEEnius - IIT Kanpur Alumni · Oct 7, 2026 · 9 min read
Biomolecules Practice Questions JEE: 6 Worked MCQs
Six original JEE Main-oriented Biomolecules MCQs with worked solutions and a clear route from concept repair to authentic PYQs.
Founder, JEEnius - IIT Kanpur Alumni · Oct 6, 2026 · 8 min read
Binomial Theorem Practice Questions JEE: 8 Worked Solutions
Attempt eight original Binomial Theorem questions, check worked solutions and use your first incorrect step to choose drills, PYQs or mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 5, 2026 · 8 min read
Atoms Practice Questions JEE: 4 Solved Physics Drills
Practise four original Physics Atoms drills with worked solutions, then choose authenticated PYQs or full mocks based on your errors.
Founder, JEEnius - IIT Kanpur Alumni · Oct 4, 2026 · 8 min read
Atomic Structure Practice Questions JEE: 5 Solved Drills
Attempt five original Atomic Structure drills, check the worked solutions and use your errors to choose between NCERT, PYQs and mixed-paper practice.
Founder, JEEnius - IIT Kanpur Alumni · Oct 3, 2026 · 9 min read
Application of Derivatives Practice Questions JEE: 6 Drills
Six original AOD drills with worked solutions diagnose reasoning errors and show when to move from concept practice to authentic PYQs or full-length mocks.
Founder, JEEnius - IIT Kanpur Alumni · Oct 2, 2026 · 8 min read
Amines Practice Questions JEE: 5 Solved Concept Drills
Solve five original Amines drills with worked explanations, diagnose your mistakes and decide whether to practise concepts, PYQs or mixed mocks next.
Founder, JEEnius - IIT Kanpur Alumni · Oct 1, 2026 · 9 min read
Alternating Current Practice Questions JEE: 5 Solved Drills
Five original AC drills with worked solutions help you diagnose concept gaps and choose between chapter practice, JEE PYQs and full-length mocks.
Founder, JEEnius - IIT Kanpur Alumni · Sep 30, 2026 · 7 min read
Aldehydes Ketones Practice Questions JEE: 6 Solved
Six original carbonyl questions with worked explanations to diagnose reaction errors and choose between chapter drills, PYQs and full mocks.
Founder, JEEnius - IIT Kanpur Alumni · Sep 29, 2026 · 8 min read
Alcohols Phenols Ethers Practice Questions JEE: 6 Solved
Attempt six original questions with worked answers, identify reaction-rule errors and choose your next chapter-practice task.
Founder, JEEnius - IIT Kanpur Alumni · Sep 28, 2026 · 9 min read
Best JEE Mock Test App: How to Choose Realistic Mocks
Compare full mocks, chapter-wise apps and coaching series using JEE Main pattern fidelity, test analysis and student stage.
Founder, JEEnius - IIT Kanpur Alumni · Aug 16, 2026 · 8 min read
AI Doubt Solver for JEE: ChatGPT, Gemini and More
Compare ChatGPT, Gemini, Gauth, Doubtnut and Photomath for JEE doubts, then use a practical checklist to verify every solution.
Founder, JEEnius - IIT Kanpur Alumni · Aug 9, 2026 · 11 min read