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Class 11 Biology in Hindi - NCERT Revision

Class 11 Biology in Hindi - NCERT Revision

By: PadhaiPaglu
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Chapter-by-chapter NCERT revision for Class 11 Biology, explained in Hindi. One short episode per chapter with a quick quiz and a one-minute recap. Free notes and practice: https://padhaipaglu.com The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
Episodes
  • Ch 19 Chemical Coordination and Integration | Class 11 Biology in Hindi

    Ch 19 Chemical Coordination and Integration | Class 11 Biology in Hindi
    Oct 17 2026
    Chemical Coordination and Integration, Class 11 Biology NCERT Chapter 19: quick revision in Hindi, about 13 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - Endocrine glands vs exocrine glands - Hypothalamus and pituitary hormones - Pineal, thyroid and parathyroid hormones - Thymus and adrenal gland hormones - Pancreas: insulin and glucagon - Testis, ovary, heart, kidney and gut hormones - Mechanism of hormone action and second messengers Timestamps: 0:00 Introduction 0:19 Roadmap 0:50 Endocrine glands and hormones 1:36 Mistake: ductless vs exocrine glands 1:49 Hypothalamus and releasing hormones 2:25 Pituitary gland: anterior and posterior 3:49 Mistake: posterior pituitary hormone source 4:03 Quick quiz 1 4:26 Pineal gland and thyroid hormones 5:37 Parathyroid hormone and calcium regulation 6:05 Mistake: PTH vs TCT on calcium 6:18 Quick quiz 2 6:38 Thymus and T-lymphocytes 7:02 Adrenal medulla and cortex hormones 8:01 Pancreas: insulin and glucagon 8:45 Mistake: insulin vs glucagon roles 9:01 Quick quiz 3 9:20 Testis, ovary, heart, kidney, gut hormones 10:12 How hormones act on target cells 10:59 Mistake: do all hormones enter cells? 11:12 Quick quiz 4 11:36 One-minute recap The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    13 mins
  • Ch 18 Neural Control and Coordination | Class 11 Biology in Hindi

    Ch 18 Neural Control and Coordination | Class 11 Biology in Hindi
    Oct 14 2026
    Neural Control and Coordination, Class 11 Biology NCERT Chapter 18: quick revision in Hindi, about 14 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - Neural system as the body's communication network - CNS and PNS, afferent and efferent fibres - Neuron structure and types - Resting potential and action potential - Synapse and neurotransmitters - Forebrain: cerebrum, thalamus, hypothalamus - Midbrain and hindbrain Timestamps: 0:00 Introduction 0:16 Roadmap 0:47 What is a neural system (communication network) 1:31 Mistake: neural system is not just the brain 1:48 Human neural system: CNS and PNS 3:01 Mistake: afferent vs efferent nerve fibres 3:19 Quick quiz 1 3:48 Structure of a neuron 5:14 Mistake: thinking all neurons are the same 5:32 Resting potential of the neuron membrane 6:21 Action potential and repolarisation 7:12 Mistake: nerve impulse is not electron flow 7:28 Quick quiz 2 7:55 Synapse: how neurons communicate 8:54 CNS: the brain's command centre 9:34 Forebrain: cerebrum, thalamus, hypothalamus 10:39 Mistake: thalamus vs hypothalamus 10:59 Midbrain: connecting forebrain and hindbrain 11:31 Hindbrain: pons, cerebellum, medulla 12:21 Mistake: cerebrum vs cerebellum 12:38 Quick quiz 3 13:04 One-minute recap The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    14 mins
  • Ch 17 Locomotion and Movement | Class 11 Biology in Hindi

    Ch 17 Locomotion and Movement | Class 11 Biology in Hindi
    Oct 12 2026
    Locomotion and Movement, Class 11 Biology NCERT Chapter 17: quick revision in Hindi, about 14 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - Movement vs locomotion - Types of muscle: skeletal, visceral, cardiac - Actin and myosin, the thin and thick filaments - Sliding filament theory of contraction - Skeletal system and the 206 bones - Types of joints: fibrous, cartilaginous, synovial - Disorders of muscles and bones Timestamps: 0:00 Introduction 0:22 Roadmap 0:52 Movement vs locomotion, and types of cell movement 1:58 Movement and locomotion are not the same thing 2:20 Muscle properties and the three types of muscle 3:37 Striated does not always mean voluntary 3:54 Quick quiz 1 4:15 Actin and myosin, the thin and thick filaments 5:56 Sliding filament theory of muscle contraction 7:32 Filaments slide, they don't shrink in contraction 7:54 Quick quiz 2 8:19 Skeletal system and the 206 bones of the body 9:23 Quick quiz 3 9:53 Types of joints: fibrous, cartilaginous, synovial 10:59 Not every joint is freely movable 11:18 Quick quiz 4 11:35 Disorders of muscles and bones 12:32 Muscular dystrophy is not just muscle cramps 12:51 One-minute recap The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    14 mins
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