Punjab 12th Class Biology Chapter 24 Evolution Mcqs Test Online Punjab 12th Class Biology Chapter 24 Evolution Mcqs Test Online 123456789101112131415Show paginator Hide paginator Question 1 of 15Biology 1. Natural selection is sometimes describe as survival of the fittest. Which of the following most accurately measures an organisms fitness? 1.How much food it is able to make or obtain 2.Its ability to withstand environmental extremes 3.Its mutation rate. 4.How many fertile offspring it produces Question 1 of 15Question 2 of 15 2. Which of the following ideas is common to both Darwin’s and Lamarck’s theories of Evolution? 1.Evolution drives organisms to greater and greater complexity. 2.Evolutionary adaptation results from interactions between organisms and their 3.The fossil record supports the view that species are fixed 4.Adaptation results from different reproductive success Question 2 of 15Question 3 of 15 3. The force that initiates evolution is _________ 1.Variation 2.Mutation 3.Extinction 4.Adaptation Question 3 of 15Question 4 of 15 4. _________ is a vestigial organ 1.None of these 2.Intestinal villi 3.Papillae 4.Vermiform appendix Question 4 of 15Question 5 of 15 5. The smallest biological unit that can evolve over time is: 1.An ecosystem 2.A population 3.A specie 4.An individual organism Question 5 of 15Question 6 of 15 6. Which of the following pairs of structures is least likely to represent homology? 1.The brain of a cat and that of a dog 2.The haemoglobin of a baboon and that of a gorilla 3.The wings of a bat and the forelimbs of a human 4.The wings of a bird and those of an insect Question 6 of 15Question 7 of 15 7. Which of the following is a true statement about Charles Darwin? 1.He proposed natural selection as the mechanism of evolution 2.He was the first to discover that living things can change, or evolve 3.He worked out the principle of population genetics. 4.He based his theory on the inheritance of acquired characteristics.Question 7 of 15Question 8 of 15 8. Which of the following is an example of vestigial structure in humans? 1.Sixth finger found is some humans 2.Human tailbone 3.Human knee cap 4.Nipple on male mammals Question 8 of 15Question 9 of 15 9. The process of ---------- and ----------- generate variation, and ------------ produces adaptation to the environment. 1.Sexual recombination ------natural selection -----mutation 2.Mutation ------- natural selection ------ genetic drift 3.Genetic drift ------ mutation ------ sexual recombination 4.Mutation -------- sexual recombination ------ natural selection Question 9 of 15Question 10 of 15 10. The earliest geological time period among the following is __________. 1.Permian 2.Quaternary 3.Jurassic 4.Cambrian Question 10 of 15Question 11 of 15 11. All organisms share the same genetic code. This commonality is evidence that: 1.Evolution occurs gradually from 2.All organisms are descended from a common ancestor 3.Evolution is occurring now 4.Convergent evolution has occurred Question 11 of 15Question 12 of 15 12. Which condition can be explained by Lamarckism? 1.All of these 2.How humans lost their tail 3.How humans became bipedal 4.How giraffes got their long neck Question 12 of 15Question 13 of 15 13. Using the Hardy-Weinberg Principle, which expression represents the frequency of the homozygous recessive genotype? 1.2Pq 2.d. q3.q² 4.P² Question 13 of 15Question 14 of 15 14. In science the term theory generally applies to an idea that: 1.Is a speculation lacking supportive experiments. 2.Is synonymous with what biologist means by hypothesis 3.Is considered a law of nature 4.Attempts to explain many related phenomena.Question 14 of 15Question 15 of 15 15. The experiment that simulated conditions thought to be present on the early earth 1.Geiger – Marsden experiment 2.Schiehallion experiment 3.Miller – Urey experiment 4.Hershey – Chase experiment Question 15 of 15 Loading... Test By Subject Punjab Test By Topics 12th Class Biology You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.