This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Heredity And Evolution > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 8 (28 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an inherited traits A) Attached ear lobe. B) Swimming. C) Dancing. D) Writing. Show Answer Correct Answer: A) Attached ear lobe. 2. The remaps (or impressions) of dead animals or plant? that lived in the remote past are known as A) Extinct species. B) Fossils. C) Naturally selected species. D) None of the above. Show Answer Correct Answer: B) Fossils. 3. What did Mendel conclude from his dihybrid cross experiments? A) Traits are independently inherited. B) Traits are always inherited together. C) Traits are not inherited at all. D) Traits are influenced by the environment. Show Answer Correct Answer: A) Traits are independently inherited. 4. Genetics is the study of A) Characters. B) Heredity. C) Life forms. D) Life. Show Answer Correct Answer: B) Heredity. 5. The transmission of characters from the parents to their offsprings is called: A) Evolution. B) Heredity. C) Variation. D) All the above. Show Answer Correct Answer: B) Heredity. 6. What would indicate that a series of fossils represent evolution? A) The fossils were completely different. B) The fossils show similarities. C) The fossils were identical. D) The fossils were found in the same layers of rock. Show Answer Correct Answer: B) The fossils show similarities. 7. Which of the following modes of reproduction leads to variations? A) Asexual. B) Sexual. C) Both. D) Neither. Show Answer Correct Answer: C) Both. 8. Which of the following decides the sex of the child? A) Male gamete, i.e., sperm. B) Female gamete, i.e., ovum. C) Both sperm and ovum. D) Mother. Show Answer Correct Answer: A) Male gamete, i.e., sperm. 9. A basket of vegetables contains carrot, potato, radish and tomato. Which of them represent the correct homologous structures? A) Carrot and potato. B) . Carrot and tomato. C) Radish and carrot. D) Radish and potato. Show Answer Correct Answer: C) Radish and carrot. 10. What is genetics? A) The study of DNA nucleotides. B) The study of eye color. C) The study of a cell dividing into 2. D) The study of heredity. Show Answer Correct Answer: D) The study of heredity. 11. If the organs are similar in function but the basic structure are different, then they are called ..... A) Analogous organs. B) Homologous organs. C) Vestigial organs. D) None of these. Show Answer Correct Answer: A) Analogous organs. 12. The preserved remains of parts or whole of an organisms over a long period of time gives rise to a A) Fossil. B) Extinct organism. C) Stone form organism. D) Pickled organism. Show Answer Correct Answer: A) Fossil. 13. Write true or false for the following statements:A child who inherits an X-chromosome form father will be a boy. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 14. When a layer of rock cuts through the other layers A) The index fossil is destroyed. B) The layers are the same age. C) The layer at the bottom is younger. D) The layer that cut through is younger than the layers it cuts through. Show Answer Correct Answer: D) The layer that cut through is younger than the layers it cuts through. 15. . Write true or false for the following statements:There is an inbuilt tendency to variation during reproduction, both because of errors in DNA copying and as a result of sexual reproduction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Changes that give the organism the survival advantage in the environment are called ..... A) Evolution. B) Natural selection. C) Variations. D) Adaptations. Show Answer Correct Answer: D) Adaptations. 17. Odd one outCoccyx, intestine, wisdom teeth, appendix. A) Intestine. B) Coccyx. C) Wisdom teeth. D) Appendix. Show Answer Correct Answer: A) Intestine. 18. If a man is color blind, can he pass the trait on to his sons? A) Yes. B) No. C) Only if his mother was color blind. D) Only if his father was color blind. Show Answer Correct Answer: B) No. 19. Which of the following is totally impossible outcome of Mendel s Experiment? A) 3 tall 1 short plant. B) 24 tall and 8 short plants. C) 8 tall and 0 short plants. D) 4 tall plants and 1 medium height plant. Show Answer Correct Answer: D) 4 tall plants and 1 medium height plant. 20. An organism's physical appearance or visible traits A) Genotype. B) Homozygous. C) Fertilization. D) Phenotype. Show Answer Correct Answer: D) Phenotype. 21. Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that don't. This process is known as ..... A) Genetic variation. B) Overproduction. C) Natural selection. D) Adaptation. Show Answer Correct Answer: C) Natural selection. 22. The fossils of invertebrates indicate they belong to which era A) Paleozoic era. B) Use. C) Mesozoic era. D) Cenozoic Era. Show Answer Correct Answer: A) Paleozoic era. 23. In human beings, the 23rd pair of chromosome that defines the sex of the individual is known as A) Autosome. B) Sex Chromosome. C) Chromosome. D) None of the above. Show Answer Correct Answer: B) Sex Chromosome. 24. ..... is the pioneer of modern genetics A) Gregor johannMendel. B) Hugo de Vries. C) Oswald avery. D) Colin McLeod. Show Answer Correct Answer: A) Gregor johannMendel. 25. What do tRNA bring to the ribosome? A) Amino acids. B) Nucleotides. C) Glucose. D) Fatty acids. Show Answer Correct Answer: A) Amino acids. 26. Identify the correct trio of scientists who proved that except viruses, all living organisms have Dna as genetic material A) Mendel, Darwin lamarck. B) Avery, McCharthy& Macleod. C) Walter, Sutton & Hugo de Vries. D) Avery, Jacob& Monad. Show Answer Correct Answer: B) Avery, McCharthy& Macleod. 27. In human being the XY chromosome is the genotype of a A) Female. B) Male. C) No idea. D) None of the above. Show Answer Correct Answer: B) Male. 28. The second generation has variations from A) First generation. B) Newly created differences. C) Both. D) No variation. Show Answer Correct Answer: C) Both. ← PreviousRelated 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 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 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books