Botany - Principles of Inheritance and Variation
Practise 9 NEET previous year questions on Principles of Inheritance and Variation, compiled from papers in 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty NEET tests.
Principles of Inheritance and Variation has been asked in 1 of the 25 years of NEET papers analysed (2002–2026), with 9 questions in all. 22% of them were easy, 78% moderate and 0% tough. Most of its questions came from 2026, with 9 questions that year. In the last three years (2024–2026) it had 9 questions across 2 papers, about 4.5 per paper.
The chapter's 6 topics are not weighted equally: Genetic Disorders (3 questions, 33%), Sex Determination (2 questions, 22%), and F1 and F2 Cross (1 question, 11%) have been asked the most. Genetic Disorders has also led over the last five years, with 3 questions.
- 1Match List I with List II : List I List II A. Incomplete dominance I. Human skin colour B. Co-dominance II. Inheritance of flower colour in 2026 (Cancelled)F1 and F2 Cross
- 2Which of the following statements are true with reference to the sex-determination in honeybees ? A. An offspring formed from the union of a2026 (Cancelled)Sex Determination
- 3Which one of the following disorders is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta 2026 (Cancelled)Genetic Disorders
- 4What is the probability of having children with 'O' blood group, where both mother and father are heterozygous for 'A' and 'B' blood group, 2026 (Cancelled)Multiple Alleles / Co-dominance
- 5The sixth mutant codon of beta globin gene causing polymerization of Haemoglobin and change in RBC shape is :2026 (Cancelled)Genetic Disorders
- 6In a population of a grasshopper species, the chromosome number of some members is and some other members possess chromosomes. The and chrom2026 (Cancelled)Sex Determination
- 7Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : In an experiment, Mend2026 (Re-NEET)Mendel's Experiments and Laws
- 8For a person with blood group ‘O’, which of the following is not a possible combination of parents' blood group genotypes ?2026 (Re-NEET)Non-Mendelian Inheritance
- 9Given below are two statements : Statement I : Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II : Turner's2026 (Re-NEET)Genetic Disorders
Frequently Asked Questions
1.How many questions are available for Principles of Inheritance and Variation?
This chapter includes 9 questions compiled from NEET papers in 2026.
2.Are these questions only from NEET, or from other exams too?
These are NEET questions specifically for the Principles of Inheritance and Variation chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.
3.Is Principles of Inheritance and Variation an important chapter for NEET Botany?
Principles of Inheritance and Variation has appeared in 1 of the 25 years of NEET papers covered here, with 9 questions across 2 papers - about 5 per paper it appears in.
4.What is the difficulty level of Principles of Inheritance and Variation questions in NEET?
Of the 9 questions analysed for this chapter, 22% are easy, 78% moderate and 0% tough. 2026 had the most, with 9 questions.
5.Which topics in Principles of Inheritance and Variation should I focus on?
These topics have carried the most weightage in Principles of Inheritance and Variation:
- Genetic Disorders - 3 questions (33%)
- Sex Determination - 2 questions (22%)
- F1 and F2 Cross - 1 question (11%)
6.Is Principles of Inheritance and Variation's weightage in NEET going up or down?
Across all 2 papers analysed, Principles of Inheritance and Variation has averaged about 4.5 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 4.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.