This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following would represent a sudden environmental change? A) Wildfire. B) Global Warming. C) Competition for food. D) Desert encroachment. Show Answer Correct Answer: A) Wildfire. 2. What makes up a codon? A) 2 amino acids. B) 3 amino acids. C) 2 nucleotides. D) 3 nucleotides. Show Answer Correct Answer: D) 3 nucleotides. 3. Two pink-coloured flowers on crossing resulted in 1 red, 2 pink, and 1 white flower progeny. The nature of the cross will be A) Cross-pollination. B) Self-Pollination. C) Double fertilization. D) No pollination. Show Answer Correct Answer: B) Self-Pollination. 4. On which of the following characteristics of pea plant did Mendel worked upon? A) Round and Wrinkled. B) Tall and Short. C) White and Violet flowers. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. Which of the following is/are unicellular organism(s)? A) Amoeba. B) Chlorella. C) Paramoecium. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Charles Darwin had collected innumerable specimens of plants and animals and depending upon the observations of those specimens. He published it in a book called as? A) Natural Selection. B) Origin of Species. C) Darwinian Theory of Flora and Fauna. D) Theory of Natural Beings. Show Answer Correct Answer: B) Origin of Species. 7. One among these proposed the theory of natural selection A) Lamark. B) Mendel. C) Charls Darwin. D) Stenly. Show Answer Correct Answer: C) Charls Darwin. 8. An organism's genetic makeup is a ..... A) Genotype. B) Phenotype. C) Homozygous. D) Heterozygous. Show Answer Correct Answer: A) Genotype. 9. . If the fossil of an organism is found in the deeper layers of earth, then we can predict that: A) The extinction of organism has occurred recently. B) The extinction of organism has occurred thousands of year ago. C) The fossil position in the layers of earth is not related to its time of extinction. D) Time of extinction cannot be determined. Show Answer Correct Answer: C) The fossil position in the layers of earth is not related to its time of extinction. 10. Assertion:Pea plant is considered ideal for hybridisation experiments.Reason:Pea is a self-pollinating plant with short life cycle and bears visible contrasting traits. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 11. What does tRNA stand for? A) Transition RNA. B) Transcription RNA. C) Transfer RNA. D) Translation RNA. Show Answer Correct Answer: C) Transfer RNA. 12. In guinea pigs, the allele for short hair (H) is dominant and the allele for long hair (h) is recessive. When a dominant homozygous male and a heterozygous female are bred together, what is the predicted phenotypic ratio for the offspring? A) 1:1 short hair to long hair. B) All have short hair. C) 1:3 short hair to long hair. D) 1:3 long hair to short hair. Show Answer Correct Answer: B) All have short hair. 13. How many different types of gametes will be produced by a plant having the genotype GgYYRR? A) 2. B) 3. C) 4. D) 9. Show Answer Correct Answer: A) 2. 14. Mutations are a change in what? A) DNA. B) TRNA. C) Genotype. D) Phenotype. Show Answer Correct Answer: A) DNA. 15. Some dinosaurs had feathers but they cannot fly but birds have feathers and they can fly. What does this imply? A) Birds have evolved from dinosaurs. B) Dinosaurs have evolved from bird. C) Feathers are homologous structure in both the organisms. D) Feathers are analogous structure in both the organisms. Show Answer Correct Answer: A) Birds have evolved from dinosaurs. 16. Physical traits or behaviors that enable an organism to survive natural conditions and thus evolve A) Adaptations. B) Survivabilty. C) Endurance. D) Selection. Show Answer Correct Answer: A) Adaptations. 17. Assertion:When pea plants (pureline) having round yellow seeds are crossed with pureline plants having wrinkled green seeds, then all pea plants obtained in F, generation bear wrinkled green seeds.Reason:Round and yellow seeds are dominant to wrinkled and green seeds. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: D) A is false but R is true. 18. What is a mutation? A) A mutation is a form of cell division. B) A mutation is a type of protein. C) A mutation is a change in the DNA sequence of an organism. D) A mutation is a type of organism. Show Answer Correct Answer: C) A mutation is a change in the DNA sequence of an organism. 19. In dogs, the allele for black fur (B) is dominant over the allele for white fur (b). A breeder breeds a heterozygous dog with a recessive homozygous dog. If the female dog has a litter of 12 puppies, predict how many will have black fur. A) 12. B) 3. C) 6. D) 4. Show Answer Correct Answer: C) 6. 20. In peas, a pure tall (TT) is crossed with a pure short plant(tt). The ratio of pure tall plants to pure short plants in F2 generation is: A) 1:3. B) 3:1. C) 1:1. D) 2:1. Show Answer Correct Answer: C) 1:1. 21. This leads to new types of behavior involving new uses of pre-existing organs. A) Theory of need. B) Theory of use and disuse. C) Theory of evolution. D) Theory of acquired characteristics. Show Answer Correct Answer: A) Theory of need. 22. Proved that except viruses, all living organisms have DNA as their genetic material. A) Oswald Avery. B) Mclyn McCarthy. C) Colin Macleod. D) All of these. Show Answer Correct Answer: D) All of these. 23. Which of the following correctly describes the homologous structures? A) Organs having same basic structure but performing different functions. B) Organs having different structure but performing same functions. C) Organs having same basic structure and performing same functions. D) Organs that have not any function in existing animals but had an important function in ancestor. Show Answer Correct Answer: A) Organs having same basic structure but performing different functions. 24. In an organism that is produced by sexual method of reproduction a character is influenced by: A) Maternal DNA. B) Paternal DNA. C) Both option 1 and option 2. D) Neither option 1 nor option 2. Show Answer Correct Answer: C) Both option 1 and option 2. 25. Which part of the DNA provides information to the protein? A) DNA. B) RNA. C) GENE. D) CHROMOSOME. E) MIITHOCHONDRIA. Show Answer Correct Answer: C) GENE. ← 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 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 10Class 10 Science Chapter 9 Heredity And Evolution Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books