This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Heredity And Evolution > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Light sensitive spots first appeared in which of these organisms A) Round worm. B) Cockroach. C) Earth worm. D) Planaria. Show Answer Correct Answer: D) Planaria. 2. Which of the following results in the speciation of organism? A) Accumulation of variations in several generations. B) Sudden accident in nature. C) Natural selection. D) All of these. Show Answer Correct Answer: D) All of these. 3. Which is an example of an instinct? A) A boy writing his name. B) A girl riding a bike. C) A cat hunting a mouse. D) A dog learning to sit on command. Show Answer Correct Answer: C) A cat hunting a mouse. 4. Which of these is an acquired trait? A) The ability for a baby to cry. B) Having blue eyes. C) Freckles. D) Pierced ears. Show Answer Correct Answer: D) Pierced ears. 5. What part of a nucleotide accounts for the genetic variation between individuals? A) Sugar. B) Dexoxyribose. C) Nitrogenous base. D) Phosphate. Show Answer Correct Answer: C) Nitrogenous base. 6. Members of the same species will always have a similar body appearance. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. What is a structure that is similar across species? A) Homologous. B) Vestigial. C) Adaptaion. D) Variation. Show Answer Correct Answer: A) Homologous. 8. Select the statements that describe characteristics of genes:(i) genes are specific sequence of bases n a DNA molecule(ii) a gene does not code for proteins(iii) in individuals of a given species, a specific gene is located on a particular chromosome(iv) each chromosome has only one gene A) (i) and (ii). B) (i) and (iii). C) (i) and (iv). D) (ii) and (iv). Show Answer Correct Answer: C) (i) and (iv). 9. Who determines the sex of the Offspring? A) Father. B) Mother. C) Both. D) None. Show Answer Correct Answer: A) Father. 10. What is a trait that is passed from parents to offspring before the offspring is born? A) Offspring. B) Inherited trait. C) Acquired trait. D) Learned behavior. Show Answer Correct Answer: B) Inherited trait. 11. Zygote which has an X-chromosome inherited from the father will develop into a A) Boy. B) Either boy or girl. C) X-chromosome does not determine the sex of a child. D) Girl. Show Answer Correct Answer: D) Girl. 12. The origin of universe is explained by A) Speciation. B) Big bang theory. C) Darwin's theory. D) Lamarckism. Show Answer Correct Answer: B) Big bang theory. 13. In addition to observing living organisms, Darwin studied the perserved remains of ancient organisms called A) Adaptations. B) Fossils. C) Vestigial structures. D) Homologies. Show Answer Correct Answer: B) Fossils. 14. In humans the blood group B is dominant over blood group O. Sharad's blood group is B and his wife's and his daughter's blood group is O. What is the Sharad's genotype for blood group if? A) BB. B) And. C) BO. D) The given information is not enough. Show Answer Correct Answer: C) BO. 15. Which of these is not a vestigial organ in human beings? A) Appendix. B) Wisdom tooth. C) Nictitating membrane. D) Gall bladder. Show Answer Correct Answer: D) Gall bladder. 16. Who is known as the father of evolution? A) Isaac Newton. B) Charles Darwin. C) Galileo Galilei. D) Albert Einstein. Show Answer Correct Answer: B) Charles Darwin. 17. The ability of an organism to survive and reproduce in its specific environment A) Fitness. B) Diversity. C) Evolution. D) Adaptation. Show Answer Correct Answer: A) Fitness. 18. When two or more populations no longer successfully reproduce it is called ..... A) Species. B) A shame. C) Adaptation. D) Speciation. Show Answer Correct Answer: D) Speciation. 19. Phenotypes are only based on genotypes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Which of the following is not a development that was seen in ape like animals of Africa A) Enlargement of brain. B) Improved hands. C) Tail disappeared. D) Upright posture. Show Answer Correct Answer: D) Upright posture. 21. Dominant traits are the most common traits in a population. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. In a round green seed pea plant RR yy is crossed with wrinkled yellow seed plant rrYY then seeds produced in F1 generation A) Round yellow. B) Round green. C) Wrinkled green. D) Wrinkled yellow. Show Answer Correct Answer: A) Round yellow. 23. In what way will a puppy always be like its parents? A) Have the same body structures. B) Learn the same things. C) Live in the same places. D) Be the same color. Show Answer Correct Answer: A) Have the same body structures. 24. Which of the following factor determine the sex of offspring A) Temperature. B) Chromosome of father. C) Chromosome of mother. D) Environment. Show Answer Correct Answer: B) Chromosome of father. 25. A gradual changes, over a long period, in a form of life is known as A) Erosion. B) Revolution. C) Evolution. D) Evaluation. Show Answer Correct Answer: C) Evolution. 26. Odd One Out.Mrna, RRNA, QRNA, TRNA, A) TRNA. B) MRNA. C) Ray. D) RRNA. Show Answer Correct Answer: C) Ray. 27. RNA has what base that is instead of thymine? A) Thymine. B) Adenine. C) Guanine. D) Uracil. Show Answer Correct Answer: D) Uracil. 28. After cross-fertilization of true-breeding tall(TT) and dwarf plants(tt), the F1-generation was self-pollinated.What would be the resultant ratio of the plant genotype? A) 3:1 (tall:dwarf). B) 1:2:1 (homozygous tall:heterozygous tall:dwarf). C) 3:1 (dwarf:tall). D) 1:2:1 (heterozygous tall:homozygous tall:dwarf). Show Answer Correct Answer: B) 1:2:1 (homozygous tall:heterozygous tall:dwarf). 29. These are natural differences within a species. A) Populations. B) Biological diversity. C) Genetic variation. D) Evolution. Show Answer Correct Answer: C) Genetic variation. 30. What is a recessive trait? A) A character that does not express itself but is present in the offspring. B) A character that expresses itself in the offspring. C) A condition in which both genes of the same type are present. D) A condition in which both genes are of different types. Show Answer Correct Answer: A) A character that does not express itself but is present in the offspring. 31. Which of the following is not controlled by genes? A) Weight of a person. B) Height of a person. C) Only {a}. D) Both Aand B. Show Answer Correct Answer: B) Height of a person. 32. The protein is synthesized by RNA through DNA. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 33. Darwin's theory does not include: A) Survival of the fittest. B) Struggle for existence of life. C) Natural Selection. D) Evolution Through Inheritance. Show Answer Correct Answer: D) Evolution Through Inheritance. 34. A white flowered plant is crossed with a red flowered plant. The two traits have codominance. What color are the offspring? A) Red. B) White. C) Red and white spotted. D) Pink. Show Answer Correct Answer: C) Red and white spotted. 35. Which of the following can be inherited from parents to offspring A) Swimming technique. B) Big nose. C) Sculpted body. D) All of the above. E) None of the above. Show Answer Correct Answer: B) Big nose. 36. Medel selected which plant for his experiment A) Jasmine. B) Sunflower. C) Pea. D) Rose. Show Answer Correct Answer: C) Pea. 37. Survival of the Fittest and Evolution were proposed by what scientist? A) Steven Hawking. B) Isaac Newton. C) Charles Darwin. D) Albert Einstein. Show Answer Correct Answer: C) Charles Darwin. 38. Say true or false.Appendix is a fully functional organ in ruminants. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. All mutations are harmful. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 40. Select the set of homologous organs from the following A) Flippers of penguin and dolphin. B) Fore limbs of horse, paw of cat. C) Wings of housefly, wings of cockroach. D) Wings of bat, wings of pigeon. Show Answer Correct Answer: B) Fore limbs of horse, paw of cat. 41. Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that A) Reptiles have evolved from birds. B) There is no evolutionary connection between reptiles and birds. C) Feathers are homologous structures in both the organisms. D) Birds have evolved from reptiles. Show Answer Correct Answer: D) Birds have evolved from reptiles. 42. Two pea plants are crossed that are heterozygous for both height and flower color. Tall is dominant to short and purple is dominant to white. What is the phenotypic ratio of the children. A) 9:3:3:1. B) 6:6:2:2. C) 5:4:4:3. D) 10:2:2:2. Show Answer Correct Answer: A) 9:3:3:1. 43. Do both the parents contribute DNA equally during sexual reproduction? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 44. It is based on the principle that physical changes in organisms during their lifetime. A) Theory of use and disuse. B) Theory of need. C) Theory of Evolution. D) Theory of acquired characteristics. Show Answer Correct Answer: C) Theory of Evolution. 45. Identify the correct sequence A) Australopithex-Dedyopithex-Ramapithex-Egyptopothex. B) Egyptopithex-ramapithex-deyopithex-ostropithex. C) Australopithex-Ramapithex-Dyopithex-Ageptopithex. D) Egyptopithex-Dyopithex-Ramapithex-Australopithex. Show Answer Correct Answer: D) Egyptopithex-Dyopithex-Ramapithex-Australopithex. 46. Which of the following is NOT true in the formation of a new species? A) A mutation causes a population to breed with a different species. B) Reproductive isolation can occur by the formation of a mountain range. C) A population needs to become reproductively isolated. D) An isolated population has adapted to new ecological niches eventually result in the inability to reproduce with the original population. Show Answer Correct Answer: A) A mutation causes a population to breed with a different species. 47. The surprise products formed in experiment conducted by Miller and Urey were:- A) Peptides. B) Nucleic acids. C) Amino acids. D) Nucleotides. Show Answer Correct Answer: C) Amino acids. 48. Phenotype determines genotype A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 49. Which one of the following adaptation will be selected by natural selection in rabbits living in polar region? A) Black colored thin fur. B) White coloured thick fur. C) Black colored thick fur. D) White coloured thin fur. Show Answer Correct Answer: B) White coloured thick fur. 50. The process by which new species develop from the existing species is known as A) Natural selection. B) Artificial selection. C) Evolution. D) Speciation. Show Answer Correct Answer: D) Speciation. 51. The flowers of pink tulips open in the morning, while the flowers of lavender tulips open in the early afternoon. The bees that pollinate these tulips cannot carry pollen back & forth between the two types of tulips because of their flowers being closed at different times of day. What type of reproductive barrier is this? A) Hybrid sterility. B) Behavioral isolation. C) Temporal isolation. D) Mechanical isolation. Show Answer Correct Answer: C) Temporal isolation. 52. . Miller and Urey performed an experiment to prove the origin of life from organic compounds. The gases they took were:- A) Ammonia, water vapour, butane, hydrogen. B) Methane, ethane, hydrogen, ammonia. C) Methane, ammonia, hydrogen, water vapour. D) Methane, ethane, ammonia, water vapour. Show Answer Correct Answer: C) Methane, ammonia, hydrogen, water vapour. 53. The number of pair of sex chromosomes in the zygote of humans is A) One. B) Three. C) Four. D) Two. Show Answer Correct Answer: A) One. 54. Wings of butterfly and bats are A) Vestigeal organs. B) Analogous orgnas. C) Homologous organs. D) Both a and c. Show Answer Correct Answer: B) Analogous orgnas. 55. The allele that is not expressed when the dominant corresponding allele is present: A) Homozygous. B) Recessive. C) Heterozygous. D) Dominant. Show Answer Correct Answer: B) Recessive. 56. Flying fish, flying birds, and bats are examples of which of the following? A) Convergent evolution & homologous structures. B) Divergent evolution & homologous structures. C) Convergent evolution & analogous structures. D) Divergent evolution & analogous structures. Show Answer Correct Answer: C) Convergent evolution & analogous structures. 57. Which of these parents will produce an offspring that WILL resemble its parents when it is young? A) Mosquito. B) Butterfly. C) Horse. D) Fly. Show Answer Correct Answer: C) Horse. 58. Which of this is not a vestigial organ A) Appendix. B) Wisdom tooth. C) Hair. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 59. Section of DNA that provide information to protein A) Gene. B) RNA. C) Chromosome. D) Nucleus. Show Answer Correct Answer: A) Gene. 60. A new form of plant resulting from a cross-pollination of different varities of a plant is known as: A) Recessive plant. B) Dominant plant. C) Hybrid plant. D) All the above. Show Answer Correct Answer: C) Hybrid plant. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 9 Heredity And Evolution Quiz 1Class 10 Science Chapter 9 Heredity And Evolution Quiz 2Class 10 Science Chapter 9 Heredity And Evolution Quiz 4Class 10 Science Chapter 9 Heredity And Evolution Quiz 5Class 10 Science Chapter 9 Heredity And Evolution Quiz 6Class 10 Science Chapter 9 Heredity And Evolution Quiz 7Class 10 Science Chapter 9 Heredity And Evolution Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books