MCQ questions for class 10 Science Chapter 9 Heredity and Evolution
Question 1: Who is considered the father of genetics?
Gregor Mendel
Charles Darwin
Thomas Hunt Morgan
Alfred Wallace
Question 2: Which of the following is not a Mendelian disorder?
Hemophilia
Cystic fibrosis
Down syndrome
Color blindness
Question 3: What is the name of the molecule that carries genetic information in living organisms?
Protein
Carbohydrate
RNA
DNA
Question 4: What is the term for the sudden appearance of a new trait in an individual not seen in the previous generations?
Mutation
Evolution
Heredity
Natural selection
Question 5: Which of the following is a vestigial organ in humans?
Appendix
Liver
Lungs
Heart
Question 6: The theory of natural selection was given by:
Gregor Mendel
Charles Darwin
Jean-Baptiste Lamarck
Alfred Wallace
Question 7: What is the name of the process by which green plants make their own food?
Photosynthesis
Respiration
Transpiration
Excretion
Question 8: Which of the following is an example of homologous organs?
Wings of a bat and wings of a butterfly
Wings of a bat and wings of a bird
Forelimbs of a frog and forelimbs of a bird
Wings of a butterfly and wings of a bird
Question 9: Who proposed the theory of the inheritance of acquired characters?
Charles Darwin
Gregor Mendel
Jean-Baptiste Lamarck
Alfred Wallace
Question 10: The process of the formation of new species is known as:
Natural selection
Adaptation
Speciation
Evolution
Question 11: The presence of which of the following can be considered as evidence for evolution?
Vestigial organs
Homologous structures
Fossils
All of the above
Question 12: Who introduced the binomial nomenclature system for naming living organisms?
Aristotle
Charles Darwin
Carl Linnaeus
Gregor Mendel
Question 13: What is the term for the study of fossils?
Paleontology
Zoology
Botany
Entomology
Question 14: Which of the following is a vestigial organ in whales?
Appendix
Tailbone
Wisdom teeth
Nictitating membrane
Question 15: The wing of a bat and the wing of a butterfly are an example of:
Homologous organs
Analogous organs
Vestigial organs
Degenerative organs
Question 16: What is the term for the occurrence of variations that make individuals better adapted to their environment?
Adaptation
Natural selection
Evolution
Speciation
Question 17: Which scientist provided experimental evidence for the role of DNA in heredity?
James Watson
Francis Crick
Gregor Mendel
Rosalind Franklin
Question 18: What is the unit of heredity?
RNA
Protein
Gene
Chromosome
Question 19: What is the term for the gradual change in the characteristics of a population over successive generations?
Mutation
Natural selection
Adaptation
Evolution
Question 20: The similarity in structure, development, and origin due to a common ancestry is known as:
Adaptation
Homology
Mutation
Variation
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