Biology Practice Test Form 1 Questions And Answers 100% Pass! A+

Biology Practice Test Form 1 Questions And Answers 100% Pass! A+ 1. Which of the following characteristics of a material found on the bark of a tree will most likely prove that the material is a living thing? • The material is green. • The material appears to reproduce on its own. • The material is composed primarily of carbon and hydrogen atoms. • The material absorbs heat in the presence of sunlight • - ANS-The material appears to reproduce on its own 2. Given the DNA sequence 5' ATGCCCTCA 3', which of the following is the correct complementary sequence of messenger RNA? • 3' U A C G G G A G U 5' • 3' A C T C C C G T A 5' • 5' A U G C C C U C A 3' • 5' T A C G G G A G T 3' - ANS-3' U A C G G G A G U 5' 3. According to evolutionary theory, which of the following individuals has the greatest Darwinian fitness? • A man who lives to be 70 years old, has no children, and remains very healthy until just before his death • A man who lives to be 50 years old, has 4 children and 16 grandchildren, and is ill for five years before his death • A woman who lives to be 80 years old, has 6 children and 30 grandchildren, and is in poor health most of her life • A woman who lives to be 90 years old, has 1 child and no grandchildren, and is ill for four years before her death - ANS-A woman who lives to be 80 years old, has 6 children and 30 grandchildren, and is in poor health most of her life 4. When caribou migrate, the weaker ones often become the prey of wolves and other carnivores. If the vegetation that the caribou eat is sparse for several consecutive years, which of the following will most likely be true about the wolf population during that same period? • The wolf population will initially increase because of an increase in the wolves' food availability. • The wolf population will initially decrease because the wolves compete with the caribou for the same food. • The wolf population will initially decrease because the stronger caribou begin to use the wolves as a food source. • The wolf population will not change significantly; only the caribou population will decrease. - ANS- The wolf population will initially increase because of an increase in the wolves' food availability. 5. Which TWO of the following are scientific theories? • Energy can be neither created nor destroyed but can change in form. • Evolutionary adaptations arise by natural selection. • Water covers 71% of Earth's surface. • The number of species in an isolated island-like habitat is determined by an equilibrium between the rates of immigration and extinction. - ANS-Evolutionary adaptations arise by natural selection. The number of species in an isolated island-like habitat is determined by an equilibrium between the rates of immigration and extinction. 6. A diploid organism has the genotype AaBbCc for three loci, each of which is located on a different chromosome. A normal gamete produced by this organism could have which of the following genotypes? • AbC • AB • AaB • ACc - ANS-...