This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 9 Heredity And Evolution – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 9 Heredity And Evolution Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Who observed variations in the characteristics of plants and animals on the Galapagos? A) Hutton. B) Lyell. C) Darwin. D) Malthus. Show Answer Correct Answer: C) Darwin. 2. The term for the formation of new and distinct species over the course of evolution is ..... A) Speciation. B) Biological species concept. C) Reproductive barrier. D) Natural selection. Show Answer Correct Answer: A) Speciation. 3. Two parents have type O blood. What will the blood type of their children be? A) O. B) They can have all four types of blood. C) Either A or O. D) AB. Show Answer Correct Answer: A) O. 4. A diagram used to predict the outcomes of a genetic cross: A) Karyotype. B) Punnett Square. C) Pedigree. D) Venn diagram. Show Answer Correct Answer: B) Punnett Square. 5. The wings of housefly and the wings of bat are example of A) Homologous organs. B) Analogous organs. C) Vestigial organs. D) Waste organ. Show Answer Correct Answer: B) Analogous organs. 6. Codons are made of how many amino acids? A) 10. B) 15. C) 20. D) 28. Show Answer Correct Answer: C) 20. 7. The phenomenon that studies how new species are formed is known as A) Gene flow. B) Genetic drift. C) Speciation. D) Founder effect. Show Answer Correct Answer: C) Speciation. 8. Assertion (A):A geneticist crossed two pea plants and got 50% tall and 50% dwarf in the progeny.Reason (R):One plant was heterozygous tall and the other was dwarf. 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. 9. How many pairs of non-sex chromosomes are there in humans? A) 44 pairs. B) 23 pairs. C) 22 pairs. D) 1 pair. Show Answer Correct Answer: C) 22 pairs. 10. A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean? A) This is purely by chance and isn't significant. B) The extinct dinosaur and modern bird share a common ancestor. C) All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today. D) Dinosaurs choose to fly, and evolved into birds to escape predation and capture food. Show Answer Correct Answer: B) The extinct dinosaur and modern bird share a common ancestor. 11. An organism's physical appearance of visible traits is a ..... A) Genotype. B) Phenotype. C) Homozygous. D) Heterozygous. Show Answer Correct Answer: B) Phenotype. 12. The concept of use or disuse of organs was given by A) Darwin. B) Lamarck. C) Jacob and monad. D) Hugo de Vries. Show Answer Correct Answer: B) Lamarck. 13. Carbon dating is a method used in which process? A) Anatomical evidences. B) Vestigial organs. C) Embryology. D) Paleontological evidence. Show Answer Correct Answer: D) Paleontological evidence. 14. The genetic code can help you translate mRNA into ..... ? A) Nucleotides. B) Fatty acids. C) Amino acids. D) Glucose. Show Answer Correct Answer: C) Amino acids. 15. In which of the following organisms sex is determined by the temperature at which fertilized eggs are kept? A) Humans. B) Reptiles. C) Amphibians. D) Birds. Show Answer Correct Answer: B) Reptiles. 16. A new form of plant resulting from a cross (or breeding) of different varieties of a plant is known as A) Monohybrid. B) Hybrid. C) Transmission. D) Gametes. Show Answer Correct Answer: B) Hybrid. 17. The appendix is useful in ruminants in digestion of which of this compounds? A) Fats. B) Cellulose. C) Proteins. D) Glycogen. Show Answer Correct Answer: B) Cellulose. 18. A cross in which two contrasting characters are studied is called ..... A) Monohybrid cross. B) Bihybrid cross. C) Dihybrid cross. D) Two hybrid cross. Show Answer Correct Answer: C) Dihybrid cross. 19. Colour blindness is a recessive X-linked disorder in which human beings are unable to distinguish red and green colours.Akshay is colour blind. What is the chance of his son inheriting colour blindness from him? A) 0. B) 0.5. C) 1. D) Can not be determined. Show Answer Correct Answer: A) 0. 20. The transfer of various characters from parent to child is called ..... A) Variations. B) Heredity. C) Evolution. D) Trait. Show Answer Correct Answer: B) Heredity. 21. Which of the following statement is not true with respect to variation? A) All variations in the species have equal chance of survival. B) Change in genetic composition results in variation. C) Selection of variants by environmental factors forms the basis of evolutionary processes. D) Variation is minimum in asexual reproduction. Show Answer Correct Answer: A) All variations in the species have equal chance of survival. 22. Dominant or recessive?tt A) Dominant. B) Recessive. C) All the above. D) None of the above. Show Answer Correct Answer: B) Recessive. 23. Human baby will be a female if its 23rd chromosome pair is A) XX. B) XY. C) YY. D) SHAH. Show Answer Correct Answer: A) XX. 24. . Which of these is a pair of an analogous organ? A) Wings of a pigeon and a bat. B) Forelimbs of a frog and a bird. C) Forelimbs of a rabbit and a lizard. D) Leaves of a pitcher plant and a Venus fly trap. Show Answer Correct Answer: A) Wings of a pigeon and a bat. 25. Heredity is defined as A) Branch of science deals with heredity and evolution. B) Different character appeared in offsprings. C) Transfer from character from one generation to another generation. D) Structure and functional unit of DNA. Show Answer Correct Answer: C) Transfer from character from one generation to another generation. ← 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