This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the genotype of a pure tall plant? A) TT. B) Tt. C) Tt. D) Tall. Show Answer Correct Answer: A) TT. 2. A student wants to collect homologous organs for his project. Which of the following pair should he select for his project? A) Potato and sweet potato. B) Ginger and turmeric. C) Onion and ginger. D) Radish and ginger. Show Answer Correct Answer: B) Ginger and turmeric. 3. If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be A) Aatggc. B) TTACCG. C) ACGGC. D) Aatggg. Show Answer Correct Answer: A) Aatggc. 4. Populations of species which do not adapt to their environment can eventually become ..... A) Stronger. B) Humans. C) Extinct. D) Angry. Show Answer Correct Answer: C) Extinct. 5. Where the better adapted organisms survive to pass traits along to offspring. A) Evolution. B) Natural Selection. C) Extinction. D) Artifical Selection. Show Answer Correct Answer: B) Natural Selection. 6. DNA is found in the nucleus of the cell A) True. B) False. C) Sometimes true sometimes false. D) All of these. Show Answer Correct Answer: A) True. 7. In a dihybrid cross, how many boxes does the punnet square need to have? A) 2. B) 4. C) 8. D) 16. Show Answer Correct Answer: D) 16. 8. When Mendel crossed pure bred tall and short pea plants, in the F1 generation he obseved A) Only short plants. B) All tall plants. C) Intermediate heighted plants. D) All of the above. Show Answer Correct Answer: B) All tall plants. 9. What is the study of organisms at the early stages of development? A) DNA studies. B) Embryology. C) Extinction. D) Fossil record. Show Answer Correct Answer: B) Embryology. 10. Organs which have different origin and shape but perform similar function are examples of A) Vestigial organs. B) Analogous organs. C) Homologous organs. D) None of the above. Show Answer Correct Answer: B) Analogous organs. 11. As per the message on mRNA, amino acids are supplied by tRNA this is called as ..... A) Transcription. B) Translation. C) Translocation. D) Transportation. Show Answer Correct Answer: B) Translation. 12. Who discovered the triplet codon for 20 amino acids. A) Dr. Har Govind Khurana. B) Albert Einstein. C) Charles Darwin. D) Marie Curie. Show Answer Correct Answer: A) Dr. Har Govind Khurana. 13. Has 2 of the same alleles is ..... A) Genotype. B) Phenotype. C) Homozygous. D) Heterozygous. Show Answer Correct Answer: C) Homozygous. 14. What is the probability that the progeny will be a boy? A) 50%. B) 47.43%. C) 56%. D) It varies. Show Answer Correct Answer: A) 50%. 15. Evolution explains the origin of ..... A) Life. B) Species. C) Cells. D) Genes. Show Answer Correct Answer: B) Species. 16. The emergence of new rivers or streams is a type of ..... isolation. A) Temporal. B) Behavioral. C) Geographic. D) None of the above. Show Answer Correct Answer: C) Geographic. 17. The gradual change occurring in living organisms over a long duration is called as? A) Development. B) Growth. C) Evolution. D) Expansion. Show Answer Correct Answer: C) Evolution. 18. Exchange of genetic material takes place in: A) Vegetative reproduction. B) Asexual reproduction. C) Sexual reproduction. D) Budding. Show Answer Correct Answer: C) Sexual reproduction. 19. Hugo de Vries introduced the concept of sudden change in genes known as A) Transcription. B) Mutation. C) Heredity. D) Evolution. Show Answer Correct Answer: B) Mutation. 20. Dominant alleles are represented with a: A) Capital letter. B) Lower case letter. C) Shape. D) Symbol. Show Answer Correct Answer: A) Capital letter. 21. The visible charactersstics in an organism are known as A) Phenotype. B) Genotype. C) Stereotype. D) Prototype. Show Answer Correct Answer: A) Phenotype. 22. Evolution means that organisms changed "by chance" A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Which of the following is an example of incomplete dominance? A) A red cow and a white bull have a red and white spotted calf. B) Human ABO blood types. C) A red flowering plant and a white flowering plant have pink flowered offspring. D) A tall plant and a short plant have tall offspring. Show Answer Correct Answer: C) A red flowering plant and a white flowering plant have pink flowered offspring. 24. What is the correct order to make a protein? A) Protein, dna, rna. B) RNA, DNA, Protein. C) DNA, RNA, Protein. D) Protein, rna, dna. Show Answer Correct Answer: C) DNA, RNA, Protein. 25. Evolution is ..... A) A slow change over time that explains how modern organisms came from ancient organisms. B) A slow change over time explains how ancient organisms came from modern organisms. C) All the above. D) None of the above. Show Answer Correct Answer: A) A slow change over time that explains how modern organisms came from ancient organisms. ← 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