This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mendel's concept of segregation implies that the two members of an allelic pair of genes- A) Are distributed to separate gametes. B) May contaminate one another. C) Are segregated in pairs. D) Are linked. Show Answer Correct Answer: A) Are distributed to separate gametes. 2. In peas, yellow pod color is dominant to green pod color. A heterozygous parent is crossed with a homozygous recessive plant. What are the chances that the offspring will have green pods? A) 25%. B) 50%. C) 75%. D) 100%. Show Answer Correct Answer: B) 50%. 3. Which of these is an example of a learned behavior? A) A cleft chin. B) The color of a flower. C) A toddler learning how to read. D) A wolf with thick fur. Show Answer Correct Answer: C) A toddler learning how to read. 4. True or False:The sugar in a nucleotide of DNA is called deoxyribose. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Structures are similar in function but not in structure. A) Vestigial. B) Homologous. C) Analogous Structures. D) Embryonic. Show Answer Correct Answer: C) Analogous Structures. 6. When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what? A) Selective breeding. B) Natural Selection. C) Cloning. D) Evolution of all species. Show Answer Correct Answer: B) Natural Selection. 7. Which of the following must occur for speciation to happen? A) Geographical isolation. B) Reproductive isolation. C) Natural selection. D) Genetic drift. Show Answer Correct Answer: B) Reproductive isolation. 8. ..... can be considered as the first example of wise man A) Neanderthal man. B) Cro magnon man. C) Australopithecus. D) Dryopithecus. Show Answer Correct Answer: A) Neanderthal man. 9. Basic unit of heredity present in chromosome is A) Allele. B) Gene. C) Both. D) None of these. Show Answer Correct Answer: B) Gene. 10. The theory of natural selection was proposed by? A) Mendel. B) Lamarck. C) Charles darwin. D) Hugo de Vries. Show Answer Correct Answer: C) Charles darwin. 11. Which of the following conditions of the zygote will result in the birth of male child? A) Two Y-chromosomes. B) Two X-chromosomes. C) One X-chromosome and one Y-chromosome. D) None of these. Show Answer Correct Answer: C) One X-chromosome and one Y-chromosome. 12. In peas, yellow pod color is dominant to green pod color. Two heterozygous parents are crossed. What are the chances that the offspring will have green pods? A) 25%. B) 50%. C) 75%. D) 100%. Show Answer Correct Answer: A) 25%. 13. How does genetic variation contribute to evolution? A) Genetic variation has no impact on survival rates. B) Genetic variation provides the raw material for natural selection, driving evolution by enabling adaptation to environmental changes. C) Genetic variation leads to the extinction of species. D) Genetic variation is solely caused by environmental factors. Show Answer Correct Answer: B) Genetic variation provides the raw material for natural selection, driving evolution by enabling adaptation to environmental changes. 14. Who is the father of evolution? A) Darwin. B) Mendel. C) Newton. D) Einstein. Show Answer Correct Answer: A) Darwin. 15. The process in which populations change over time A) Basketball. B) Natural selection. C) Evolution. D) Mutation. Show Answer Correct Answer: C) Evolution. 16. With whom you can associate theory of evolution? A) Charles Darwin. B) Mendel. C) Stanley miller. D) Herold. Show Answer Correct Answer: A) Charles Darwin. 17. Heredity is the passing of traits from ..... to ..... A) Predators to prey. B) Water to rain. C) Parents to offspring. D) Fungi to protists. Show Answer Correct Answer: C) Parents to offspring. 18. A cross between a tall plant (TT) and short pea plant (tt) resulted in progeny that were all tall plants because A) Tallness is recessive trait. B) Tallness is dominant trait. C) Dwarfness is dominant trait. D) All of these. Show Answer Correct Answer: B) Tallness is dominant trait. 19. If organisms become more alike, what type of evolution occured A) Convergent. B) Divergent. C) Co evolution. D) Mutualism. Show Answer Correct Answer: A) Convergent. 20. The evolution of a new species from an existing species is ..... A) Natural selection. B) Isolation. C) Speciation. D) Genetic variation. Show Answer Correct Answer: C) Speciation. 21. What is the basic unit of heredity? A) DNA. B) RNA. C) Genes. D) None of the above. Show Answer Correct Answer: C) Genes. 22. The phenomenon where individuals of a species exhibit differences in characteristics are called: A) Adaptation. B) Evolution. C) Variation. D) All of the above. Show Answer Correct Answer: C) Variation. 23. Which of the following is NOT a way desert animals have adapted to survive in the desert? A) Thick Fur. B) Are active at night. C) Small size. D) Live in burrows. Show Answer Correct Answer: C) Small size. 24. Branch of Science in which we study, genes, variations and heredity is called as A) Biotechnology. B) Evolution. C) Genetics. D) Zoology. Show Answer Correct Answer: C) Genetics. 25. Male patterned baldness is a recessive sex linked trait. How can a woman have it? A) A woman can have it if she has two alleles for it. B) A woman can have it if her father had it. C) A woman can have it if she has one allele for it. D) A woman can't have male patterned baldness. Show Answer Correct Answer: A) A woman can have it if she has two alleles for it. ← 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 8Class 10 Science Chapter 9 Heredity And Evolution Quiz 9Class 10 Science Chapter 9 Heredity And Evolution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books