Free Test Mendel’s laws – NEET

Q1: Which law of Mendel states that allele pairs separate independently during the formation of gametes?

A. Law of Dominance B. Law of Segregation C. Law of Independent Assortment D. Law of Probability

Q2: Mendel performed hybridization experiments on which plant?

A. Tomato B. Pea C. Sunflower D. Maize

Q3: Which of the following is a monohybrid cross?

A. Tt x Tt B. TtRr x TtRr C. TT x rr D. TTrr x ttrr

Q4: The phenotypic ratio of a dihybrid cross is:

A. 1:1 B. 9:3:3:1 C. 3:1 D. 1:2:1

Q5: Which trait is dominant according to Mendel’s experiments?

A. White flower B. Green pod C. Wrinkled seed D. Dwarf plant

Q6: Which law explains the reappearance of the recessive trait in F2 generation?

A. Law of Unit Characters B. Law of Segregation C. Law of Dominance D. Law of Purity

Q7: What is the genotypic ratio in a monohybrid cross?

A. 3:1 B. 1:2:1 C. 9:3:3:1 D. 2:2

Q8: Which statement is true about Mendel’s Laws?

A. They apply only to animals B. They explain inheritance patterns C. They are only theoretical D. They contradict Darwin’s theory

Q9: Which character is recessive in Mendel’s pea plants?

A. Round seed B. Green pod C. Dwarf plant D. Tall plant

Q10: Mendel’s work was rediscovered in which year?

A. 1890 B. 1900 C. 1915 D. 1920

Q11: What does a heterozygous genotype mean?

A. Same alleles B. Different alleles C. No alleles D. Only dominant alleles

Q12: If tall is dominant (T) and dwarf is recessive (t), what is the genotype of a dwarf plant?

A. TT B. Tt C. tt D. Tt or tt

Q13: Which term describes alternate forms of a gene?

A. Chromosome B. Locus C. Allele D. Phenotype

Q14: Mendel’s Law of Segregation occurs during which process?

A. Meiosis B. Fertilization C. Mitosis D. Replication

Q15: Which one is NOT a Mendelian trait?

A. Tall/dwarf stem B. Round/wrinkled seeds C. Green/yellow pods D. Blood groups in humans

Q16: F1 generation from a TT x tt cross is:

A. Tt B. TT C. tt D. Tt and tt

Q17: Which of the following is a dihybrid cross?

A. Tt x Tt B. TtRr x TtRr C. TT x tt D. TT x rr

Q18: What is phenotype?

A. Genetic constitution B. Physical appearance C. Location of gene D. Number of chromosomes

Q19: Pure line means:

A. Cross of two different traits B. Homozygous condition C. Heterozygous condition D. F1 hybrid

Q20: Who coined the term “gene”?

A. Johann Mendel B. Hugo de Vries C. Wilhelm Johannsen D. Morgan

Quiz for Mendel’s laws