Principles of Inheritance and Variation PYQs - Last 5 Years
IAT (IISER) / Biology / Botany / 11 recent questions
BiologyBotany2022-2026
Practice 11 IAT (IISER) Biology questions from Principles of Inheritance and Variation. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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2022-2026
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Last 5 Years Principles of Inheritance and Variation Questions
Showing 11 of 11 filtered questions.
1Principles Of Inheritance And Variation
The following pedigree diagram shows the inheritance of a rare genetic disorder in a family (filled shapes depict affected individuals). Which one of the following is the most likely pattern of inheritance of the disorder?
MCQ+4 / -12026
2Principles Of Inheritance And Variation
For which one of the following parents, their children will NOT have the same blood group phenotype as either of the parents?
MCQ+4 / -12026
3Principles Of Inheritance And Variation
Two double heterozygous plants ( PpQq ), derived from two different pairs of true-breeding parents of unknown genotype, produce gametes in the proportions as given below.
Which one of the following options correctly represents the genotype ...
Which one of the following options correctly represents the genotype ...
MCQ+4 / -12025
4Principles Of Inheritance And Variation
Honey bee males are haploid and females are diploid. Which one of the following statements is INCORRECT about honey bees?
MCQ+4 / -12025
5Principles Of Inheritance And Variation
The following pedigree diagram shows the inheritance of a rare genetic disorder (filled shapes depict affected individuals).
Which of the following is the most likely pattern of inheritance of the disorder?
Which of the following is the most likely pattern of inheritance of the disorder?
MCQ+4 / -12024
6Principles Of Inheritance And Variation
The following pedigree chart shows the inheritance of a genetic disorder. I-2 and III-2 are the only affected individuals.
Which one of the following is the correct pattern of inheritance of the disorder, and the genotype of the II- 3 indi...
Which one of the following is the correct pattern of inheritance of the disorder, and the genotype of the II- 3 indi...
MCQ+4 / -12023
7Principles Of Inheritance And Variation
In an island with 10,000 individuals, four have sickle cell anemia, a recessive autosomal disease. Assuming that the locus is in Hardy-Weinberg equilibrium, how many individuals in that island are expected to be heterozygous for the disease...
MCQ+4 / -12023
8Principles Of Inheritance And Variation
In a given species of flowering plant, the colour of the seeds is exclusively determined by the colour of its seed coat. Seed coat colour in this species is governed by a nuclear gene with two alleles. The WHITE ( $W$ ) allele is dominant o...
MCQ+4 / -12022
9Principles Of Inheritance And Variation
A single point mutation in gene ' $X$ ' results in breathing difficulty, hypertension as well as partial sterility. Which among the following best explains the observed phenotypes?
MCQ+4 / -12022
10Principles Of Inheritance And Variation
Nine percent of a population cannot taste a certain food item because of a recessive allele of the gene IAT. Assuming the population is in Hardy-Weinberg equilibrium, what will be the frequency of dominant and recessive alleles, respectivel...
MCQ+4 / -12022
11Principles Of Inheritance And Variation
In a cross between individuals of the genotypes PpQQRrSS and ppqqRrSS, what will be the expected number of progenies with the genotype ppQQRrSS in a population of 400 individuals, assuming independent assortment?
MCQ+4 / -12022