Final exam practice test

BIOL 1108 Final Exam Multiple Choice Practice Test

Section 1: Genetics and Evolution

  1. Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?
    a) No mutation
    b) No migration
    c) A small population size
    d) Random mating

  2. What is the function of xylem in plants?
    a) Transporting sugars
    b) Transporting water and minerals
    c) Photosynthesis
    d) Reproductive support

  3. In which group would you find organisms with dikaryotic cells?
    a) Animals
    b) Fungi
    c) Protists
    d) Plants

  4. Which prezygotic isolation mechanism involves differences in mating times?
    a) Behavioral isolation
    b) Temporal isolation
    c) Mechanical isolation
    d) Gametic isolation

  5. What is the purpose of alternation of generations in plants?
    a) To prevent mutation
    b) To ensure diversity in both haploid and diploid stages
    c) To produce spores only
    d) To facilitate pollination

Section 2: Microbial and Plant Biology

  1. Which prokaryotic structure is responsible for motility?
    a) Pili
    b) Capsule
    c) Flagella
    d) Ribosome

  2. Primary endosymbiosis refers to:
    a) The engulfing of one prokaryote by another.
    b) The engulfing of a eukaryote by a prokaryote.
    c) A symbiotic relationship between two eukaryotes.
    d) The engulfing of a chloroplast by a eukaryote.

  3. In a phylogenetic tree, which of the following represents a shared ancestor?
    a) Node
    b) Branch
    c) Leaf
    d) Root

  4. Which of these is NOT a characteristic of gymnosperms?
    a) Naked seeds
    b) Double fertilization
    c) Cone-bearing reproductive structures
    d) Wind pollination

  5. What role do mycorrhizae play in ecosystems?
    a) Photosynthesis
    b) Nitrogen fixation
    c) Decomposing organic matter
    d) Forming symbiotic relationships with plant roots

Section 3: Animal Evolution and Diversity

  1. Which feature distinguishes deuterostomes from protostomes?
    a) Symmetry
    b) Body cavity formation
    c) Blastopore developing into an anus
    d) Presence of a notochord

  2. Which animal group exhibits radial symmetry?
    a) Arthropods
    b) Cnidarians
    c) Mollusks
    d) Mammals

  3. The "Out-of-Africa" hypothesis states that:
    a) Homo sapiens evolved in multiple regions simultaneously.
    b) Homo sapiens migrated out of Africa and replaced other hominin populations.
    c) Hominins originated in Europe and spread globally.
    d) Genetic drift caused the extinction of Neanderthals.

  4. What is the defining feature of chordates?
    a) Bilateral symmetry
    b) Exoskeleton
    c) Dorsal, hollow nerve cord
    d) Radial symmetry

  5. Which group of vertebrates is characterized by the presence of feathers?
    a) Mammals
    b) Reptiles
    c) Amphibians
    d) Birds