This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Which of these is an acquired trait? A) Having blue eyes. B) Pierced ears. C) The ability for a baby to cry. D) Freckles. Show Answer Correct Answer: B) Pierced ears. 3. What part of a nucleotide accounts for the genetic variation between individuals? A) Phosphate. B) Nitrogenous base. C) Dexoxyribose. D) Sugar. Show Answer Correct Answer: B) Nitrogenous base. 4. Human male have A) XX Chromosomes. B) YY Chromosomes. C) XZ Chromosomes. D) XY chromosomes. Show Answer Correct Answer: D) XY chromosomes. 5. 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. 6. What is a structure that is similar across species? A) Vestigial. B) Homologous. C) Adaptaion. D) Variation. Show Answer Correct Answer: B) Homologous. 7. 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). 8. Who determines the sex of the Offspring? A) Father. B) Mother. C) Both. D) None. Show Answer Correct Answer: A) Father. 9. What is a trait that is passed from parents to offspring before the offspring is born? A) Learned behavior. B) Acquired trait. C) Inherited trait. D) Offspring. Show Answer Correct Answer: C) Inherited trait. 10. Zygote which has an X-chromosome inherited from the father will develop into a A) Boy. B) Girl. C) X-chromosome does not determine the sex of a child. D) Either boy or girl. Show Answer Correct Answer: B) Girl. 11. The origin of universe is explained by A) Darwin's theory. B) Big bang theory. C) Speciation. D) Lamarckism. Show Answer Correct Answer: B) Big bang theory. 12. In addition to observing living organisms, Darwin studied the perserved remains of ancient organisms called A) Fossils. B) Adaptations. C) Homologies. D) Vestigial structures. Show Answer Correct Answer: A) Fossils. 13. 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. 14. 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. 15. 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. 16. The ability of an organism to survive and reproduce in its specific environment A) Diversity. B) Evolution. C) Adaptation. D) Fitness. Show Answer Correct Answer: D) Fitness. 17. When two or more populations no longer successfully reproduce it is called ..... A) Species. B) Adaptation. C) Speciation. D) A shame. Show Answer Correct Answer: C) Speciation. 18. 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. 19. Which of the following is an acquired trait? A) Colour Of Eyes. B) Language Proficiency. C) Shape of Earlobes. D) Dimples. Show Answer Correct Answer: B) Language Proficiency. 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 green. B) Round yellow. C) Wrinkled green. D) Wrinkled yellow. Show Answer Correct Answer: B) Round yellow. 23. In what way will a puppy always be like its parents? A) Be the same color. B) Learn the same things. C) Have the same body structures. D) Live in the same places. Show Answer Correct Answer: C) 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) Evolution. C) Revolution. D) Evaluation. Show Answer Correct Answer: B) Evolution. ← 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 7Class 10 Science Chapter 9 Heredity And Evolution Quiz 8Class 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