This quiz works best with JavaScript enabled. Home > Class 10 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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) Behavioral isolation. B) Hybrid sterility. C) Temporal isolation. D) Mechanical isolation. Show Answer Correct Answer: C) Temporal isolation. 2. . Miller and Urey performed an experiment to prove the origin of life from organic compounds. The gases they took were:- A) Methane, ethane, ammonia, water vapour. B) Methane, ethane, hydrogen, ammonia. C) Ammonia, water vapour, butane, hydrogen. D) Methane, ammonia, hydrogen, water vapour. Show Answer Correct Answer: D) Methane, ammonia, hydrogen, water vapour. 3. The number of pair of sex chromosomes in the zygote of humans is A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: A) One. 4. 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. 5. The allele that is not expressed when the dominant corresponding allele is present: A) Dominant. B) Heterozygous. C) Recessive. D) Homozygous. Show Answer Correct Answer: C) Recessive. 6. Flying fish, flying birds, and bats are examples of which of the following? A) Convergent evolution & homologous structures. B) Convergent evolution & analogous structures. C) Divergent evolution & homologous structures. D) Divergent evolution & analogous structures. Show Answer Correct Answer: B) Convergent evolution & analogous structures. 7. Which of these parents will produce an offspring that WILL resemble its parents when it is young? A) Mosquito. B) Fly. C) Horse. D) Butterfly. Show Answer Correct Answer: C) Horse. 8. Which of this is not a vestigial organ A) Hair. B) Wisdom tooth. C) Appendix. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 9. Section of DNA that provide information to protein A) RNA. B) Nucleus. C) Chromosome. D) Gene. Show Answer Correct Answer: D) Gene. 10. 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. 11. 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. 12. 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. 13. 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. 14. . From the list given below select the character which can be acquired but not inherited: A) Colour of eyes. B) Colour of skin. C) Texture of hair. D) Size of body. Show Answer Correct Answer: D) Size of body. 15. 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. 16. Who is the "FATHER OF GENETICS" ? A) Aristotle. B) Galileo Galilei. C) Gregor Johann Mendel. D) Theophrastus. Show Answer Correct Answer: C) Gregor Johann Mendel. 17. Mistakes or changes that occur int he DNA sequence are called ..... A) Adatations. B) Darwinism. C) Mutations. D) Natural selection. Show Answer Correct Answer: C) Mutations. 18. Which of the following is the connecting link between Annelida & Arthropoda? A) Peripatus. B) Lungfish. C) Duckbilled platypus. D) Petromyzon. Show Answer Correct Answer: A) Peripatus. 19. Who proposed the theory of evolution? A) Charles Darwin. B) Stanely Miller. C) Herold. D) Aristotle. Show Answer Correct Answer: A) Charles Darwin. 20. 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. 21. Which of the following is the heterozygous genotype? A) Bb. B) AA. C) CC. D) Dd. Show Answer Correct Answer: D) Dd. 22. 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. 23. In the course of evolution, formation of the new species of any organism is called ..... A) Speciation. B) Microevolution. C) Adaptation. D) Macroevolion. Show Answer Correct Answer: A) Speciation. 24. The organism which is a connecting link between birds and reptiles is A) Fish. B) Planaria. C) Bat. D) ArchaeopteryX. Show Answer Correct Answer: D) ArchaeopteryX. 25. Known as the father of modern genetics: A) Watson. B) Crick. C) Darwin. D) Mendel. Show Answer Correct Answer: D) Mendel. ← PreviousNext →Related 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 7Class 10 Science Chapter 9 Heredity And Evolution Quiz 9Class 10 Science Chapter 9 Heredity And Evolution Quiz 10Class 10 Science Chapter 9 Heredity And Evolution Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books