This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Heredity And Evolution > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two populations of the same species grow distant from one another over a period of time. At what point these two population will be considered as different species? A) When the population began to eat different food. B) When they are geographically isolated. C) When they are unable to interbreed. D) When the two populations have not been in contact for 100 years. Show Answer Correct Answer: C) When they are unable to interbreed. 2. What is the role of DNA in heredity? A) DNA is responsible for energy production in cells. B) DNA has no role in the inheritance of traits. C) DNA is only found in the nucleus of a cell. D) DNA is the molecule that carries genetic information and is responsible for heredity. Show Answer Correct Answer: D) DNA is the molecule that carries genetic information and is responsible for heredity. 3. Humans have a coccyx, a left over tail bone. A) Evidence of evolution. B) Not evidence of evolution. C) All the above. D) None of the above. Show Answer Correct Answer: A) Evidence of evolution. 4. . From the list given below select the character which can be acquired but not inherited: A) Texture of hair. B) Colour of eyes. C) Colour of skin. D) Size of body. Show Answer Correct Answer: D) Size of body. 5. Information about protein synthesis is stored in ..... A) DNA. B) RNA. C) No option is correct. D) None of the above. Show Answer Correct Answer: A) DNA. 6. Mistakes or changes that occur int he DNA sequence are called ..... A) Mutations. B) Adatations. C) Natural selection. D) Darwinism. Show Answer Correct Answer: A) Mutations. 7. Which of the following is the connecting link between Annelida & Arthropoda? A) Petromyzon. B) Duckbilled platypus. C) Lungfish. D) Peripatus. Show Answer Correct Answer: D) Peripatus. 8. Who proposed the theory of evolution? A) Stanely Miller. B) Aristotle. C) Herold. D) Charles Darwin. Show Answer Correct Answer: D) Charles Darwin. 9. The code for each amino acids consisting of three nucleotides is called as ..... A) Duplicate codon. B) Singlet codon. C) Triplet codon. D) None of the above. Show Answer Correct Answer: C) Triplet codon. 10. Which of the following is the heterozygous genotype? A) AA. B) CC. C) Bb. D) Dd. Show Answer Correct Answer: D) Dd. 11. Which trait could be influenced by the environment? A) Fur color changes with seasons. B) Fur color changes as you get older. C) Height is affected by what you eat. D) You can stretch to grow taller. Show Answer Correct Answer: A) Fur color changes with seasons. 12. In the course of evolution, formation of the new species of any organism is called ..... A) Speciation. B) Macroevolion. C) Adaptation. D) Microevolution. Show Answer Correct Answer: A) Speciation. 13. The organism which is a connecting link between birds and reptiles is A) Fish. B) Planaria. C) ArchaeopteryX. D) Bat. Show Answer Correct Answer: C) ArchaeopteryX. 14. Known as the father of modern genetics: A) Darwin. B) Mendel. C) Watson. D) Crick. Show Answer Correct Answer: B) Mendel. 15. ..... billion years ago, life had been non existent on the Earth. A) 2.5. B) 8.5. C) 3.5. D) 1.5. Show Answer Correct Answer: C) 3.5. 16. Mammals have evolved from A) Amphibians. B) Reptiles. C) Aves. D) Fishes. Show Answer Correct Answer: B) Reptiles. 17. Mendel selected garden peas as his experimental material because(i) Pea plants possess a number of well defined contrasting characters.(ii) Pea plants contain unisexual flowers.(iii) Pea plants have perfect bisexual flowers.(iv) These are annual plants. A) (i) and (iv) only. B) (i) and (ii) only. C) (i) and (iii) only. D) (i), (iii) and (iv) only. Show Answer Correct Answer: D) (i), (iii) and (iv) only. 18. If a couple has a "one-in-four" risk of having a child with a disease, and their firstborn has the disease, the next child will still have a 25% of getting the disease. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which mechanism of evolution occur when gene frequencies change over generations due to the random chance? A) Variations. B) Genetic drift. C) Natural selection. D) Gene flow. Show Answer Correct Answer: B) Genetic drift. 20. When a new plant is formed as a result of cross-pollination from different varieties of a plant, the newly formed plant is called: A) Dominant plant. B) Mutant plant. C) Hybrid plant. D) All of the above. Show Answer Correct Answer: C) Hybrid plant. 21. Which of the following is the ancestor of 'Broccoli'? A) Wild cabbage. B) Cabbage. C) Kale. D) Cauliflower. Show Answer Correct Answer: A) Wild cabbage. 22. Carbon dating method measures the radioactivity of C-14 & the ratio of ..... present in the organisms body A) C-12 to C-14. B) C-14 to C-12. C) C-6 to C-7. D) C-14 to 0-16. Show Answer Correct Answer: B) C-14 to C-12. 23. Vestigial organ ..... present in human body is proof of evolution. A) Appendix. B) Alveoli. C) Liver. D) Heart. Show Answer Correct Answer: A) Appendix. 24. The phenotypic ratio of Monohybrid cross is A) 1:3. B) 4:2. C) 1:2:1. D) 3:1. Show Answer Correct Answer: D) 3:1. 25. In horses, coat color has incomplete dominance. A horse with one allele for black coat and one allele for cream coat will have the color known as buckskin. If two buckskin horses have a baby, what are the potential coat colors it could have. A) It will be either black or cream. B) It will be either buckskin or cream colored. C) It can only be buckskin. D) It could have any of the three possible coat colors. Show Answer Correct Answer: D) It could have any of the three possible coat colors. 26. True or false:RNA is double-stranded. A) True. B) False. C) It depends on the type. D) None of the above. Show Answer Correct Answer: B) False. 27. Evolution of wild cabbage is an example of: A) Genetic drift. B) Artificial selection. C) Natural selection. D) Mutation. Show Answer Correct Answer: B) Artificial selection. 28. What is NOT an inherited trait of humans? A) Freckles. B) Height. C) Favorite type of music. D) Hair color. Show Answer Correct Answer: C) Favorite type of music. 29. The characteristic which is visible in an organism is called A) Progeny. B) Hybrid. C) Phenotype. D) Genotype. Show Answer Correct Answer: C) Phenotype. 30. A version of a gene: A) Allele. B) Trait. C) Character. D) Generation. Show Answer Correct Answer: A) Allele. 31. Evolution is not a fast process A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 32. Which of the following can influence traits in the child? A) Paternal DNA. B) Maternal DNA. C) Both. D) No inheritance of traits occur. Show Answer Correct Answer: C) Both. 33. Transfer of information from molecule of DNA to mRNA is called ..... process. A) Mutation. B) Transcription. C) Translation. D) Translocation. Show Answer Correct Answer: B) Transcription. 34. Wings of birds and insects are A) Vestigeal organs. B) Homologous organs. C) Analogous organs. D) None of these. Show Answer Correct Answer: C) Analogous organs. 35. True or false:Mutations only harm chances of survival: A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 36. Which of the following is a recessive trait in garden peas? A) Tall plants. B) Round Seeds. C) Violet Flowers. D) Wrinkled Seeds. Show Answer Correct Answer: D) Wrinkled Seeds. 37. ..... is the passing of traits from parents to offspring (babies) A) DNA. B) Heredity. C) Evolution. D) None of the above. Show Answer Correct Answer: B) Heredity. 38. If a normal cell of human body contains 46 pairs of chromosomes then the numbers of chromosomes in a sex cell of a human being is most likely to be: A) 40. B) 22. C) 23. D) 60. Show Answer Correct Answer: B) 22. 39. Which of the following types of RNA carries information from the gene to the ribosome? A) MRNA. B) TRNA. C) RRNA. D) All of the above. Show Answer Correct Answer: A) MRNA. 40. ..... can be consider as a first example of wise man. A) Australopithecus. B) Ramapethicus. C) Cro magnon. D) Neanderthal man. Show Answer Correct Answer: D) Neanderthal man. 41. Which of the following nitrogenous base is not present in DNA? A) Uracil. B) Adenine. C) Guanine. D) Thymine. Show Answer Correct Answer: A) Uracil. 42. Nucleotide sequence on tRNA is called ..... A) Codon. B) Anticodon. C) All the above. D) None of the above. Show Answer Correct Answer: B) Anticodon. 43. A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants? A) Height of plant is not controlled by gene t or t. B) Tallness is the recessive trait. C) Shortness is the dominant trait. D) Tallness is the dominant trait. Show Answer Correct Answer: D) Tallness is the dominant trait. 44. In humans right handedness (R) is dominant over left handedness (r). What could be the genotype of parent if their child is left handed? A) Rr x RR. B) RR x rr. C) Rr x Rr. D) None of these. Show Answer Correct Answer: C) Rr x Rr. 45. Which of the following organisms can change sex? A) Platipus. B) Snails. C) Anais. D) Exocetus. Show Answer Correct Answer: B) Snails. 46. What most likely caused the finches on the Galapagos Islands to have beaks that were differnt from the finches living on the South American mainland? A) They were different types of food available on the island. B) The finches on the islands had to drink salt water. C) There were different types of predators living on the island. D) The finches on the mainland built different types of nests. Show Answer Correct Answer: A) They were different types of food available on the island. 47. Evolution means ..... A) Translocation. B) Mutation. C) Transformation. D) Gradual development. Show Answer Correct Answer: D) Gradual development. 48. ..... is a gradual change occurring in living organisms over a long duration A) Variation. B) Mutation. C) Heredity. D) Evolution. Show Answer Correct Answer: D) Evolution. 49. What is the phenotype of a plant with the genotype Tt? A) Tall. B) Dwarf. C) Hybrid Tall. D) Pure Tall. Show Answer Correct Answer: A) Tall. 50. Which of the following statement is not correct? A) Frequency of genes in a population change over several generations and lead to evolution. B) Heavy weight parents can have low weight offspring. C) Organs that are similar in appearance and functions but different in basic structure and origin are analogous organs. D) Reduction in weight of the organism due to starvation is controlled genetically. Show Answer Correct Answer: D) Reduction in weight of the organism due to starvation is controlled genetically. 51. A paleontologist discovered a fossil of a reptile buried deep in the soil which of the following is false for situation? A) Carbon dating can be used for determining the age of fossil. B) The decaying process of c-14 in the animals body is occurring continuously. C) Radioactivity of c-12 can be used to calculate fossil age. D) Carbon consumption of the animal stops immediately after death. Show Answer Correct Answer: C) Radioactivity of c-12 can be used to calculate fossil age. 52. Which of the following is not an objection to Darwin's theory of natural selection A) Natural selection is not the only factor responsible for evolution. B) Darwin could only provide explanation of only useless modifications. C) There is no explanation about slow and abrupt changes. D) Darwin didn't mention any explanation about useful modification. Show Answer Correct Answer: B) Darwin could only provide explanation of only useless modifications. 53. The process of evolution of a species whereby characteristics which help individual organisms to survive and reproduce are passed on to their offspring and those characteristics which do not help are not passed on is called A) Natural selection. B) Hybridization. C) Speciation. D) Artificial selection. Show Answer Correct Answer: A) Natural selection. 54. Which one is a possible progeny in F2 generation of pure bred tall plant with round seed and short plant with wrinkled seeds? A) Tall plant with round seeds. B) Tall plant with wrinkled seeds. C) Short plant with round seed. D) All of the above. Show Answer Correct Answer: D) All of the above. 55. What is the probability that the male progeny will be a boy? a. 50% b. 56% c. 47.43% d. It varies A) 40%. B) 50.5%. C) It varies. D) 50%. Show Answer Correct Answer: D) 50%. 56. Which is an inherited trait? A) Speaking in front of a crowd. B) Having green eyes. C) Knowing math facts. D) Becoming and extrovert. Show Answer Correct Answer: B) Having green eyes. 57. The bones in forelimb of whale, cheetah, bat and man have the same structure because: A) They have the common ancestor. B) One organism has given rise to another organism. C) They perform the same function. D) Both option 1 and option 3. Show Answer Correct Answer: A) They have the common ancestor. 58. The modern day Human species has evolved from its earliest ancestors who lived in: A) Asia. B) Australia. C) China. D) Africa. Show Answer Correct Answer: D) Africa. 59. Who have a perfect pair of sex chromosomes? A) Girls only. B) Boys only. C) Both girls and boys. D) It depends on many other factors. Show Answer Correct Answer: A) Girls only. 60. Define evolution in biological terms. A) Evolution is the change in the heritable characteristics of biological populations over successive generations. B) Evolution is the belief that all life forms are static and unchanging. C) Evolution refers to the adaptation of individuals within a single lifetime. D) Evolution is the process of creating new species instantly. Show Answer Correct Answer: A) Evolution is the change in the heritable characteristics of biological populations over successive generations. ← 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 3Class 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