Class 9 ki NCERT Science ki book, jiska naam hai 'Vigyan', seedha seedha bachon ko science ke basic concepts samajhne mein haath batata hai. Is page pe aapko poore science syllabus ka chapter-wise solution milega, bilkul ekdum saaf sutra tareeke se. Ye solutions aapke liye kaafi kaam ke hain—chahe homework complete karna ho, koi topic atka ho, ya exam se pehle tezi se revision karni ho, sab kuch inmein mil jayega.
Here we have provided NCERT Solution for Class 9 विज्ञान in hindi Language, Just select the chapters below to get solution of the same:
हमारे आस – पास के पदार्थ
क्या हमारे आस – पास के पदार्थ शुद्ध हैं
परमाणु एवं अणु
परमाणु की संरचना
जीवन की मौलिक इकाई
ऊतक
जीवों में विविधता
गति
बल तथा गति के नियम
गुरुत्वाकर्षण
कार्य तथा ऊर्जा
ध्वनि
हम बीमार क्यों होते हैं
प्राकृतिक संपदा
खाद्य संसाधनों में सुधार
Aap niche diye gaye links se seedha kisi bhi chapter ke solutions par pahunch sakte hain—koi jhanjhat nahi, bas click karo aur padho. Har ek solution mein theory ka poora vistaran hai, saath hi important formulas bhi clearly diye gaye hain. Aur numerical problems ka bhi detailed answer milta hai, taaki concepts ekdum clear ho jaayein.
Is chapter mein hum matter, mixtures, compounds — aur unhe alag karne ke tareeqon — ke baare mein baat karenge. Solutions se cheezein alag karni ho toh evaporation, centrifugation, distillation jaise methods hain, aur hum inhe examples ke saath samjhenge.
Is everything around us really pure? Not quite—and that's exactly what this chapter digs into. You'll explore how mixtures differ from compounds, breaking down what makes them tick. Along the way, you'll get familiar with solutions, suspensions, and colloids—the everyday stuff that often looks one way but is actually a mix underneath. And when it comes to solutions, there's more to unpack: concentration, solubility, and that tricky concept of saturation all get their moment here.
Ye chapter skip mat karna, bilkul mat bhoolna. Iske solutions mein atoms se lekar molecules tak, ions, chemical formulae, aur mole concept — sab kuch milega, saath hi molecular mass nikalne ke poore steps bhi. Har numerical problem ka hal step-by-step diya hai, taaki aapko koi confusion na ho.
Thomson, Rutherford, and Bohr each had their own swing at mapping the atom, and their models are all laid out here in proper detail—not the vague version you get in class, the full thing. You’ll find solid explanations of electrons, protons, and neutrons (those core players, no skimping), plus what atomic number and mass number actually mean in practice. And yeah, isotopes and isobars get their due too, because they’re easy to mix up if you’re not careful. Every point comes with a diagram, so you’re not just reading dry text; you’re actually seeing how it all fits together. It clicks better that way.
Cell ko samajhna ho toh yeh chapter ke solutions kaafi kaam aate hain. Nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum—in sab organelles ke functions ko itne saaf tareeke se define kiya gaya hai ki cheezein dimaag mein baith jaati hain. And honestly, plant cell aur animal cell ke beech ke differences bhi khoob achhe se samjhaye gaye hain, taaki confusion na rahe. Bas ek baar padh lo, saaf ho jayega.
Plant tissues aur animal tissues—dono ke types, functions aur structure ko is chapter mein detailed notes aur solutions ke roop mein samjhaya gaya hai. Meristematic tissue, permanent tissue, epithelial tissue, aur muscular tissue ke diagrams ke saath answers itne clear hain ki revision mein koi confusion nahi bachti. Bas diagrams dekh lo, sab clear ho jata hai.
Isi chapter mein humne organisms ki classification, binomial nomenclature aur five-kingdom classification ke rules ko bilkul simple bhasha mein samjha hai. Har kingdom ki khaas characteristics bhi solutions mein alag se list ki gayi hain, taaki aapko yaad rakhne mein aasani ho.
Physics ka pehla chapter hai ye, toh naturally iske solutions mein sab kuch shamil hai—distance, displacement, speed, velocity, acceleration, aur equations of motion ke numericals. Har problem ko step by step solve karne ka tarika bataya gaya hai. Graphs kaise plot karte hain, woh bhi samjhaya gaya hai. Bas seedha seedha, concept clear karo aur practice karo.
Newton’s three laws of motion—plus inertia, momentum, and the conservation of momentum—you’ll find the full breakdown right here. And yes, the numerical problems are all solved too, step by step. We’ve explained each law with real-life examples, so it doesn’t just stay on paper. It actually clicks.
Chapter 10 is all about gravitation, and if you're staring at numericals on the universal law, acceleration due to gravity, or the never-ending mass vs. weight confusion, these solutions are your best bet. You'll find plenty on thrust and pressure too, along with Archimedes' principle and relative density. Honestly, just grab these and work through them—they cover the tricky stuff so you don't have to wrestle with it alone.
Work, energy, aur power—yeh teeno concepts ek doosre se itne juday hue hain ki inhe alag-alag samajhna mushkil ho jata hai. Is chapter mein hum inke saath-saath energy ke different forms, law of conservation of energy, aur commercial unit yani kilowatt-hour ko bhi detail mein samjhenge. Yahan aapko har topic ke questions ke answers milenge, woh bhi bilkul clear tareeke se. Aur haan, numerical problems ka full solution bhi included hai—koi step skip nahi kiya gaya. Toh agar aapko in concepts ko practically apply karna hai, toh yeh section aapke liye hi hai.
Sound ke saare textbook answers is section mein mileinge—production, propagation, reflection, echo, hearing range, ultrasound, aur human ear ka structure. Sab kuch detail mein hai. Sound waves ki characteristics bhi cover ki gayi hain, poori tarah se.
Health aur disease ke beech ka fark, diseases ke causes, infectious aur non-infectious diseases ka classification, aur treatment aur prevention ke basic principles—ye sab important points aur unke answers is chapter mein diye gaye hain. Kuch cheezein seedhi hain, kuch thodi uljhi hain, lekin overall focus yahi hai ki hum beemari ko samjhein aur usse kaise rok sakte hain.
Yahan aapko NCERT ke saare important sawalon ke jawab milenge—chahe wo water cycle ho, nitrogen cycle, carbon cycle, ya oxygen ka chakkar. Pollution se lekar ozone layer ke depletion tak, aur sustainable development ke topics bhi cover kiye gaye hain. Sab kuch ek jagah, bilkul saaf-saaf.
Crop production management, animal husbandry, fishery, poultry farm management, aur bee-keeping—in sab topics ke liye solutions mein chhote aur lambe answers dono mil jaate hain. Koi bhi question ho, chahe wo ek line ka ho ya phir detailed explanation wala, dono tarah ke responses cover kiye gaye hain. Basically, har angle se taiyari ho jaati hai, chahe aap revision ke liye quick answers dhoondh rahe ho ya exam mein full marks ke liye elaborate ones. Thoda sa mix hai—kuch direct, kuch thoda detailed—taaki har tarah ki zaroorat poori ho.
Sabse pehle, khud try karein. Question ko solve karne ka apna poora zor lagayein, chahe galat hi kyun na ho. Uske baad hi NCERT solutions kholke apna answer match karein. Koi concept samajh nahi aaya? Toh solution ke saath jo explanation diya hai, use ekdum dhyan se padhein—haan, wo chhota sa note bhi jo side mein hota hai. Aur haan, important formulas aur definitions ko utha ke ek alag copy mein likh lein. Wo copy aapki revision time ki sabse badi madad banegi, bharosa maaniye.
