Class 12High Yield

NEET Genetics and Evolution: Principles of Inheritance and Variation Previous Year Questions

~5.8 Questions / Year6.4% Historical WeightageNCERT Class 12, Chapter 5
High-Yield Recurring Concepts & NCERT Focus Areas
Mendelian Monohybrid & Dihybrid Cross Ratios
Incomplete Dominance & Codominance (ABO Blood Grouping)
Chromosomal Disorders (Down, Turner, Klinefelter Syndrome)
Linkage, Recombination & Morgan Experiment on Drosophila
Pedigree Analysis (Autosomal vs Sex-Linked Traits)

Chapter PYQs (10 Questions)

Self-Assessment Interactive Mode
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross
Q103Biology (Botany)Section AClass 12Easy
Principles of Inheritance and Variation
A test cross between a heterozygous dihybrid round yellow seeded pea plant (RrYyRrYy) and a double recessive wrinkled green pea plant (rryyrryy) yields a phenotypic ratio of:
Topic: Mendelian Dihybrid Test Cross