NEB Class 12

Biology

Biology for NEB Class 12 (Science stream): chapter notes, past questions, flashcards, and guided lessons mapped to the official syllabus.

Important questions + predictionsSee what is most likely to appear Full syllabusAll 139 topics, chapter by chapter

NEB Class 12

Biology

Biology for NEB Class 12 (Science stream): chapter notes, past questions, flashcards, and guided lessons mapped to the official syllabus.

23
Chapters: 139
Syllabus topics

Important questions + predictionsSee what is most likely to appear Full syllabusAll 139 topics, chapter by chapter

Biology for NEB Class 12 is covered here in full, from syllabus notes to solved past questions. This subject has 23 chapters mapped to the official syllabus, and 171 past exam questions with written model answers. You can read the notes and answers for free, and a free account adds flashcards and progress tracking so weak topics come back before the exam.

Overview

This NEB Class 12 Biology guide covers Animal Tissues, Applied Biology, Biotechnology, Circulatory System, Development Biology, Digestive System, Endocrinology, Excretory System, and more, across 23 chapters. It includes model answers to 171 past exam questions, plus flashcards for quick revision.

Read notes and answers, then drill flashcards and MCQs in Practice.

Chapters

139

Topics

171

Questions

Years

Most tested chapters

Ranked by NEB exam and model questions. Tap one to practise it.

Important questions + predictions

Important questionsMost-tested questions with model answers Full syllabusOfficial chapters and topics

Chapters in Biology

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Chapter 1: Animal Tissues. Notes and past questions on Animal Tissues for NEB Class 12 Biology.
Chapter 2: Applied Biology. Notes and past questions on Applied Biology for NEB Class 12 Biology.
Chapter 3: Biotechnology. Notes and past questions on Biotechnology for NEB Class 12 Biology.
Chapter 4: Circulatory System. Notes and past questions on Circulatory System for NEB Class 12 Biology.
Chapter 5: Development Biology. Notes and past questions on Development Biology for NEB Class 12 Biology.
Chapter 6: Digestive System. Notes and past questions on Digestive System for NEB Class 12 Biology.
Chapter 7: Endocrinology. Notes and past questions on Endocrinology for NEB Class 12 Biology.
Chapter 8: Excretory System. Notes and past questions on Excretory System for NEB Class 12 Biology.
Chapter 9: Genetic Materials. Notes and past questions on Genetic Materials for NEB Class 12 Biology.
Chapter 10: Human Population. Notes and past questions on Human Population for NEB Class 12 Biology.
Chapter 11: Linkage and Crossing Over. Notes and past questions on Linkage and Crossing Over for NEB Class 12 Biology.
Chapter 12: Mendelian Genetics. Notes and past questions on Mendelian Genetics for NEB Class 12 Biology.
Chapter 13: Mutation and Polyploidy. Notes and past questions on Mutation and Polyploidy for NEB Class 12 Biology.
Chapter 14: Nervous System. Notes and past questions on Nervous System for NEB Class 12 Biology.
Chapter 15: Plant Anatomy. Notes and past questions on Plant Anatomy for NEB Class 12 Biology.
Chapter 16: Reproductive System. Notes and past questions on Reproductive System for NEB Class 12 Biology.
Chapter 17: Respiratory System. Notes and past questions on Respiratory System for NEB Class 12 Biology.
Chapter 18: Sense Organs. Notes and past questions on Sense Organs for NEB Class 12 Biology.
Chapter 19: Embryology. Notes and past questions on Embryology for NEB Class 12 Biology.
Chapter 20: Human Health and Disorders. Notes and past questions on Human Health and Disorders for NEB Class 12 Biology.
Chapter 21: Microbial Diseases. Notes and past questions on Microbial Diseases for NEB Class 12 Biology.
Chapter 22: Plant Physiology: Plant Hormones and Growth. Notes and past questions on Plant Physiology: Plant Hormones and Growth for NEB Class 12 Biology.
Chapter 23: Plant Physiology: Photosynthesis and Respiration. Notes and past questions on Plant Physiology: Photosynthesis and Respiration for NEB Class 12 Biology.

Past questions

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What is sclerosis? (2070)
Define ascent of sap. (2070)
Mention two plant hormones. (2070)
What does it mean by homozygous? (2070)
What do you mean by recessive? (2070)
Define sexual reproduction. (2070)
Elaborate about female gametophyte. (2070)
Point out about anemophily. (2070)
Significance of green manure. (2070)
Mention about genetic engineering. (2070)
Differentiate between spongy and palisade parenchyma. (2070)
Process of glycolysis. (2070)
Types of RNA and its functions. (2070)
Reasons for the selection of pea plant on the Mendel's experiment. (2070)
Semi-conservation method of DNA replication. (2070)

Frequently asked questions

How many chapters does NEB Class 12 Biology have?

Biology has 23 chapters mapped to the official syllabus.

Are the past questions solved?

Yes. Each of the 171 past questions comes with a written model answer you can read for free.

Is it free?

Yes, the notes and model answers are free to read. A free account adds flashcards and progress tracking.

Based on the official syllabus.

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