Principles of Inheritance and Variation: NEET Biology Questions and PYQs
Principles of Inheritance and Variation is a chapter of NEET Biology, in the Genetics and Evolution unit. YoExam has 1,100+ practice questions on it, including 220+ previous year questions from NEET and AIPMT papers from 1988 to 2024, and every question comes with the answer and a full explanation.
Topics covered in Principles of Inheritance and Variation
Each topic can be practised on its own, so you can drill the exact part of the chapter you are weakest in.
- Genetics, Variation & Mendel's Experimental Design
- Monohybrid Cross
- Punnett Square, Test Cross & Mendel's Laws
- Incomplete Dominance & the Concept of Dominance
- Co-dominance, Multiple Alleles & ABO Blood Groups
- Dihybrid Cross & Law of Independent Assortment
- Chromosomal Theory of Inheritance
- Linkage and Recombination
- Polygenic Inheritance & Pleiotropy
- Sex Determination: XO, XY and ZW Types
- Sex Determination in Humans & Honey Bee
- Mutation
- Pedigree Analysis
- Mendelian Disorders: Colour Blindness & Haemophilia
- Mendelian Disorders: Sickle-cell, PKU & Thalassemia
- Chromosomal Disorders: Down's, Klinefelter's & Turner's
Question types
Pick one type to focus, or mix them all. Counts as of 24 September 2026.
| Question type | Questions |
|---|---|
| NCERT Topic Wise | 730 |
| Previous Year Questions | 226 |
| Statement Based | 56 |
| Matching Type | 50 |
| Assertion & Reason | 50 |
| Total | 1,112 |
Principles of Inheritance and Variation previous year questions
220+ questions on Principles of Inheritance and Variation come from past NEET and AIPMT papers from 1988 to 2024, across 37 different years. Each one shows the paper it came from, so you can see how the chapter has been examined over time. The NEET PYQ chapter-wise page compares every chapter.
How practice works
- Choose a question type or a topic, then answer at your own pace.
- Check each answer to see whether it is right, the correct option and the full explanation.
- Stop whenever you like and resume from the same question later.
- At the end, see your accuracy, time, and a breakdown by question type and difficulty.
Frequently asked questions
How many NEET questions are there on Principles of Inheritance and Variation?
YoExam has 1,100+ practice questions on Principles of Inheritance and Variation, including 220+ previous year questions from NEET and AIPMT papers from 1988 to 2024. Every question comes with the correct answer and a full explanation.
Are there NEET PYQs for Principles of Inheritance and Variation?
Yes. 220+ questions on Principles of Inheritance and Variation come from past NEET and AIPMT papers from 1988 to 2024, across 37 different years. You can practise them on their own by choosing Previous Year Questions for this chapter.
Is Principles of Inheritance and Variation free to practise on YoExam?
Yes. Principles of Inheritance and Variation is the first chapter of the Genetics and Evolution unit, and the first chapter of every unit is free on YoExam, with no card needed.
What types of questions are there for Principles of Inheritance and Variation?
You can practise Principles of Inheritance and Variation as NCERT Topic Wise, Previous Year Questions, Statement Based, Matching Type and Assertion & Reason, or mix every type together in one session.
Which topics does Principles of Inheritance and Variation cover?
16 topics: Genetics, Variation & Mendel's Experimental Design; Monohybrid Cross; Punnett Square, Test Cross & Mendel's Laws; Incomplete Dominance & the Concept of Dominance; Co-dominance, Multiple Alleles & ABO Blood Groups; Dihybrid Cross & Law of Independent Assortment; Chromosomal Theory of Inheritance; Linkage and Recombination; Polygenic Inheritance & Pleiotropy; Sex Determination: XO, XY and ZW Types; Sex Determination in Humans & Honey Bee; Mutation; Pedigree Analysis; Mendelian Disorders: Colour Blindness & Haemophilia; Mendelian Disorders: Sickle-cell, PKU & Thalassemia; Chromosomal Disorders: Down's, Klinefelter's & Turner's. Each one can be practised on its own.
More chapters in Genetics and Evolution
- Molecular Basis of Inheritance: 1,100+ questions, 210+ PYQs
- Evolution: 760+ questions, 160+ PYQs
See every chapter on the NEET Biology page.