Class 10 Science Sample Paper 2026-27 Full Solution 🔥 | CBSE SQP | Bio + Chem + Physics

SCIENCE – CODE NO. 086 SAMPLE QUESTION PAPER* CLASS – X (2026-27): https://cbseacademic.nic.in/web_mater... CBSE Class 10 Science Sample Paper 2026-27 – full solution of all three sections 🏆 UNSAT – Unacademy Scholarship and Aptitude Test For Class 👉 Enroll Now : https://unacademy.onelink.me/M2BR/mor... ✨ Get up to 99% Scholarship on Unacademy online subscriptions 💰 Win daily cash rewards up to ₹50,000 🏅 Top 100 rankers get rewarded 🎁 Exciting prizes & rewards 📅 1st–15th October | 5–6 PM 🏠 Take the test from the comfort of your home. 🚀 Take the test. Unlock your potential. Become a Champion! Biology (Dr. Muskan Ma'am), Physics (Aryan Sir) and Chemistry (Satish Sir). Every MCQ, assertion-reason, case study and long answer explained with CBSE marking-scheme tips for Boards 2027. -------------------------------------- ➡️Class 10, 11, 12 subscription: https://unacademy.com/goal/cbse-class... ⏬Download Session PDF: https://unacademy.com/content/class-1... ➡️Telegram Channel: https://t.me/unacademyclass9to10 --------------------------------------- 00:00 Stream start 00:35 Intro 02:03 Paper pattern & instructions 04:09 Q1 Photosynthesis 06:58 Q2 Lime water – which setup is cloudiest? 12:10 Q3 Kidney reabsorption 16:58 Q4 Mustard flower anther removed + bagged 21:45 Q5 Vasectomy & tubectomy 25:10 Q6 Apple gamete chromosomes 26:50 Q7 Pond food chain – trophic level 28:25 Q8 A-R Breathing rate in aquatic animals 31:40 Q9 A-R 10% energy law 33:35 Bile duct blockage & fat digestion 38:05 Intestine length & food habit 39:40 Brain parts 40:30 Touch-me-not (Mimosa) response 41:40 Uterus changes after implantation 43:10 Muscle movement 44:15 Food chain energy + biomagnification 45:35 Mendel dihybrid cross 48:25 Heart chambers – fish vs birds/mammals 50:50 Inhalation vs exhalation 53:10 PHYSICS – Aryan Sir 54:44 Focal length using sunlight 57:00 Power, P = VI 58:41 A-R Apparent depth of coin 1:00:30 Laws of refraction & refractive index 1:01:58 Joule's law of heating 1:03:53 Resistivity 1:08:33 Lens numerical 1:10:35 Magnetic field of straight wire 1:10:55 Series-parallel circuit 1:14:00 Solenoid door-lock case study 1:17:50 Accommodation, near & far point 1:18:06 Dispersion & inverted prism 1:22:38 USAT scholarship test 1:24:00 CHEMISTRY – Satish Sir 1:26:05 Chameleon – physical or chemical change? 1:28:56 Chlor-alkali process 1:33:20 Hard water – soap vs detergent 1:36:05 Water of crystallisation 1:38:50 Isomers 1:40:40 Food label E304/E307 – antioxidants 1:42:50 Aluminium wires & corrosion 1:44:56 A-R Onion olfactory indicator 1:46:57 Carbon vs silicon – catenation 1:51:50 Ethanol – electron dot, homologue, esterification 1:58:22 Ethanol → ethene → ethane 2:00:36 Give reasons 2:05:17 Heat conduction case study 2:12:40 Redox – rusting & ammonia 2:15:55 Error in chemical formulae 2:16:50 Decomposition & reactivity observations 2:19:50 Wrap-up #class10science #samplepaper2026_27 #cbse2027