Prepare for your board exams with the CBSE Class 10 Science MCQs Chapter 9, Heredity And Evolution. These MCQs, created by subject experts, are based on a thorough analysis of the CBSE Class 10 syllabus and exam pattern. To effectively prepare, students should practice these MCQs after understanding the chapter’s concepts. The answers are provided to help students verify their responses. Download the CBSE Class 10 Science MCQs Chapter 9 Heredity and Evolution PDF from the link below. Additionally, you can access MCQs for other chapters to aid in your exam preparation.
CBSE Class 10 Science MCQs Chapter 9 Heredity and Evolution with Answers
Q. Who is known as the father of genetics?
A) Charles Darwin
B) Gregor Mendel
C) James Watson
D) Francis Crick
Answer: B) Gregor Mendel
Q. What is the unit of heredity?
A) Cell
B) DNA
C) Gene
D) Chromosome
Answer: C) Gene
Q. Which scientist proposed the theory of evolution by natural selection?
A) Lamarck
B) Mendel
C) Darwin
D) Watson
Answer: C) Darwin
Q. What is the physical appearance of an organism called?
A) Genotype
B) Phenotype
C) Allele
D) Trait
Answer: B) Phenotype
Also Check: Chapter 1 Chemical Reactions and Equations MCQs
Q. What is a change in the DNA sequence called?
A) Mutation
B) Segregation
C) Recombination
D) Transcription
Answer: A) Mutation
Q. Which process describes the transmission of traits from parents to offspring?
A) Evolution
B) Heredity
C) Mutation
D) Adaptation
Answer: B) Heredity
Q. Which term refers to a pair of contrasting characters?
A) Homologous
B) Heterozygous
C) Allele
D) Hybrid
Answer: C) Allele
Also Read: CBSE Class 10 Science MCQ Chapter 2 Acids Bases and Salt
Q. What is the genetic makeup of an organism called?
A) Genotype
B) Phenotype
C) Chromosome
D) Trait
Answer: A) Genotype
Q. Who proposed the Law of Segregation?
A) Darwin
B) Mendel
C) Lamarck
D) Wallace
Answer: B) Mendel
Q. What is the term for a cross between individuals that involves one pair of contrasting traits?
A) Dihybrid cross
B) Monohybrid cross
C) Test cross
D) Back cross
Answer: B) Monohybrid cross
Q. What is the smallest unit of life that can replicate independently?
A) Atom
B) Molecule
C) Cell
D) Tissue
Answer: C) Cell
Q. Which type of reproduction leads to greater genetic variation?
A) Asexual reproduction
B) Sexual reproduction
C) Budding
Answer: B) Sexual reproduction
Also Check: CBSE Class 10 Science MCQ Chapter 3 Metals and Non-metals
Q. What do you call a trait that is expressed in the phenotype even when only one allele is present?
A) Recessive
B) Dominant
C) Codominant
D) Incomplete dominant
Answer: B) Dominant
Q. What is the science of classifying organisms called?
A) Taxonomy
B) Cytology
C) Genetics
D) Anatomy
Answer: A) Taxonomy
Q. Which molecule carries the genetic instructions in all living things?
A) Protein
B) Lipid
C) Carbohydrate
D) DNA
Answer: D) DNA
Q. What is the alternate form of a gene called?
A) Chromosome
B) Locus
C) Allele
D) Genotype
Answer: C) Allele
What type of inheritance results from genes located on sex chromosomes?
A) Autosomal
B) Sex-linked
C) Co-dominance
D) Incomplete dominance
Answer: B) Sex-linked
Also Read: CBSE Class 10 Science MCQ Chapter 4 Carbon and Its Compounds
Q. Which structure contains the genetic material of a cell?
A) Nucleus
B) Mitochondria
C) Ribosome
D) Golgi apparatus
Answer: A) Nucleus
Q. What is the term for the genetic difference between individuals?
A) Mutation
B) Variation
C) Adaptation
D) Natural selection
Answer: B) Variation
Q. Who proposed the theory of inheritance of acquired characteristics?
A) Darwin
B) Mendel
C) Lamarck
D) Watson
Answer: C) Lamarck
Q. What is the name of the process by which organisms better adapted to their environment tend to survive and produce more offspring?
A) Mutation
B) Natural selection
C) Genetic drift
D) Gene flow
Answer: B) Natural selection
Q. What type of selection occurs when individuals at both extremes of a phenotypic range are favored?
A) Stabilizing selection
B) Directional selection
C) Disruptive selection
D) Artificial selection
Answer: C) Disruptive selection
Also Check: CBSE Class 10 Science MCQ Chapter 5 Periodic Classification of Elements
Q. What is the term for the study of heredity and variation?
A) Ecology
B) Genetics
C) Anatomy
D) Physiology
Answer: B) Genetics
Q. Which scientist is associated with the discovery of the structure of DNA?
A) Mendel
B) Darwin
C) Watson and Crick
D) Lamarck
Answer: C) Watson and Crick
Q. What is the term for the passing of traits from parents to offspring?
A) Heredity
B) Evolution
C) Mutation
D) Adaptation
Answer: A) Heredity
Q. Which type of cell division results in the formation of gametes?
A) Mitosis
B) Meiosis
D) Budding
Answer: B) Meiosis
Q. What is the term for the physical and physiological traits of an organism?
A) Genotype
B) Phenotype
C) Chromosome
D) Allele
Answer: B) Phenotype
Read More: CBSE Class 10 Science MCQ Chapter 6 Life Process
Q. Which principle states that the two alleles for a trait separate during gamete formation?
A) Principle of Dominance
B) Law of Segregation
C) Law of Independent Assortment
D) Principle of Inheritance
Answer: B) Law of Segregation
Q. What is a group of similar organisms that can breed and produce fertile offspring called?
A) Population
B) Species
C) Community
D) Ecosystem
Answer: B) Species
Q. Which type of evolution results from the same trait evolving independently in different species?
A) Divergent evolution
B) Convergent evolution
C) Parallel evolution
D) Adaptive radiation
Answer: B) Convergent evolution
