Crack UPSC CSE
on WhatsApp
UPSC CSE is India's most prestigious civil service exam, shaping future IAS/IPS officers who lead the nation. Knolby delivers daily MCQ practice via WhatsApp, building unshakeable exam consistency and mastery across all nine subjects through bite-sized, habit-forming study sessions.
BiologyChemistryComputerCurrent AffairsEconomyGeographyHistoryIndian PolityPhysicsScience and Technology
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Knolby — UPSC CSE
Geography | Ecology & Biodiversity
India tiger population 2022 approx?
A
2000B
3167 ✓C
4500D
1500B
Correct! *Option B (Correct):* India's 2022 All-India Tiger Estimate reported ~3167 tigers, highest globally;…
21-day streak
87% accuracy
12K+
Active learners
500K+
Questions solved
4.8★
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How It Works
From zero to learning in 60 seconds
1
Send “Hi” on WhatsApp
No form, no email, no account. Message our number and start your UPSC CSE plan immediately.
2
Get Daily UPSC CSE MCQs
Topic-wise questions arrive every morning. Answer right in the WhatsApp chat — faculty explanations included.
3
Track Your AI Readiness
Weekly AI score reports show accuracy, streak, and weak areas. Watch your UPSC CSE readiness climb.
Syllabus
What you'll study in UPSC CSE
10 subjects · 85 chapters — full exam coverage
Biology(7)
Cell BiologyDiversity&ClassificationHuman-Organ systemsNutritionPathologyTissuesVegetative Parts
Chemistry(9)
Acids,Bases and SaltsAtoms & MoleculesCarbon & Its CompoundsChemical ReactionsIs Matter Around Us PureMetals & Non-MetalsPeriodic ClassificationStructure of AtomsSubstance & its Nature
Computer(6)
Advanced TechnologiesComputer & its HistoryCyber SecurityHardware, Memory & I/OInternet, Networks & WebSoftware, OS & Program
Current Affairs(7)
Jan - Feb (2026)July - August (2025)Mar - Apr (2026)May - June (2025)May - June (2026)Nov - Dec (2025)Sep - Oct (2025)
Economy(10)
Basics of EconomicsDevelopment & SocialEmployment&UnemploymentExternal SectorFinancial InstitutionsMonetary PolicyMoney & Banking SystemNational Income & GrowthPoverty & InequalityPublic Finance & Budget
Geography(8)
ClimatologyEcology & BiodiversityGeomorphologyNatural ResourcesPhysical Geography-IndiaPhysical Geography-WorldUniverseWorld Geography
History(10)
Delhi SultanateEarly Medieval IndiaIndus & Vedic AgeIntro & PrehistoricMahajanapadas-MauryasModern India & FreedomMughals & MarathasNorth-West KingdomsPost-Mauryan & GuptaSouth & Deccan Rule
Indian Polity(10)
Bodies and CommissionsCitizenship and RightsConstitutional HistoryDuties and LanguageEmergency ProvisionsFederal StructureJudiciaryLocal GovernanceParliament & LegislatureUnion Executive
Physics(9)
ElectricityElectro MagnetismForce & Laws of MotionGravitationHuman EyeLightMotionSoundWork & Energy
Science and Technology(9)
Bio TechnologyCrypto CurrencyDefence TechnologyFemale ScientistsInnovations&DiscoveriesNano TechnologyNuclear TechnologyRoboticsSpace Technology
Pricing
Choose your UPSC CSE plan
All plans include unlimited WhatsApp MCQ access, faculty explanations, and AI readiness tracking.
Weekly
7 days access
₹99
≈ ₹14/day
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
Monthly
30 days access
₹199
≈ ₹7/day
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
Quarterly
90 days access
₹349
≈ ₹4/day
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
★ Most Popular
Half-yearly
180 days access
₹499
≈ ₹3/day
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
Annual
365 days access
₹699
≈ ₹2/day
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
Lifetime
₹2,999
Daily MCQs on WhatsApp
Topic-wise coverage
Weekly AI progress report
Faculty explanations
Weak-topic auto-revision
Student Success
What UPSC CSE learners say
★★★★★
“Knolby's daily WhatsApp MCQs transformed my UPSC prep. The variety of subjects and explanations helped me crack Prelims on my second attempt. Best decision ever!”
AS
Arjun Sharma
Delhi · UPSC CSE
★★★★★
“I loved the consistency. Getting one MCQ every morning kept me engaged without overwhelming my schedule. The Current Affairs questions were especially relevant for UPSC CSE.”
PD
Priya Desai
Pune · UPSC CSE
★★★★★
“Knolby's Biology and Chemistry MCQs cleared my conceptual gaps. The explanations are concise yet comprehensive—exactly what UPSC aspirants need.”
VP
Vikram Patel
Bengaluru · UPSC CSE
FAQ
Frequently asked questions
What is Knolby?
Knolby is the world's first WhatsApp-based exam preparation platform. Instead of downloading yet another app, you get daily MCQs, expert explanations, and AI-powered analytics delivered directly in your WhatsApp — the app already on 2.7 billion phones.
Do I need to download any app?
No downloads, no sign-ups, no passwords. Open WhatsApp, send "Hi" to our number, and you're learning within seconds. Everything happens inside the WhatsApp you already use every day.
Is Knolby free?
Yes — you can start completely free. Knolby offers a free tier so you can experience daily MCQs and explanations before committing. Premium plans unlock higher daily question limits, deeper AI analytics, and access to more exam categories.
How are the questions and explanations made?
Every question is crafted by subject-matter experts and experienced faculty. Explanations are human-written and exam-standard — not AI-generated filler. AI is used to personalise delivery, track your performance, and surface your weakest topics so you study smarter.
Is Knolby easy to use? Do I need to download an app?
Absolutely! Knolby works directly on WhatsApp—no app download needed. Simply start a chat with Knolby, and you'll receive daily MCQs, explanations, and personalized analytics right in your messages. It's designed to be intuitive, so you can begin preparing in seconds.
How do I get started?
Click "Start Learning Free" anywhere on this page, or open WhatsApp and message +91 96767 87274. Select your exam, choose a plan, and your first set of questions arrives in minutes. No forms, no waiting.
Are detailed explanations provided for every MCQ?
Yes. Each question includes a clear explanation covering the correct answer and why other options are incorrect—helping you understand concepts deeply for UPSC CSE success.
Ready to crack UPSC CSE?
Join thousands of aspirants practising every day — directly on WhatsApp. No app, no friction.