Practice Quiz

Evolutionary Biology




Quiz
Cell Structure
DNA as the Genetic Material
Genes in Action


    True and False Questions

  1. The Golgi complex is another name for smooth endoplasmic reticulum.

    a) True
    b) False

  2. In chloroplasts, the grana are actually stacks of thylakoids.

    a) True
    b) False

  3. In general, DNA molecules are much longer than RNA molecules.

    a) True
    b) False

  4. Ribosomes are the only places where proteins are synthesized.

    a) True
    b) False

    
    

    Multiple Choice Questions - Choose the best available answer.

  5. Which of the following direct information transfers is not consistent with the so-called central dogma?

    a) DNA -> DNA
    b) DNA -> RNA
    c) RNA -> protein
    d) DNA -> protein
    e) all are consistent with the central dogma

  6. Which of the following is not a general difference between DNA and RNA?

    a) The sugar in RNA is ribose, not deoxyribose.
    b) RNA contains the base uracil rather than thymine.
    c) DNA is usually double-stranded, while RNA is usually single-stranded.
    d) RNA molecules are generally much longer than DNA molecules.

  7. A single codon most often specifies:

    a) a single amino acid
    b) a few amino acids.
    c) a single polypeptide
    d) a few polypeptides

  8. The bacteria are placed in the kingdom

    a) Monera
    b) Protista
    c) Fungi
    d) Plantae
    e) Prokaryota

  9. The feature that is not present in eukaryotic cells is

    a) membrane-bounded organelles
    b) nuclear envelopes
    c) endoplasmic reticulum
    d) solid, rotating flagella
    e) mitochondria

  10. Prokaryotes are differentiated from eukaryotes in that they lack:

    a) plasma membranes
    b) an organized cell nucleus
    c) a cytoplasm
    d) cell walls
    e) DNA

  11. The plasma membrane is a structure that:

    a) maintains the shape of plant cells
    b) forms an impenetrable barrier around cells
    c) controls the passage of materials in and out of cells
    d) is strengthened by cutin and suberin
    e) is composed of cellulose fibers

  12. Most of a cell’s DNA resides in the:

    a) Golgi complex
    b) mitochondria
    c) nucleus
    d) chloroplast
    e) endoplasmic reticulum

  13. Ribosomes are necessary for:

    a) respiration
    b) photosynthesis
    c) cellular support
    d) cellular movement
    e) protein synthesis

  14. Which group contains only energy-generating organelles?

    a) mitochondria; chloroplast
    b) rough ER; smooth ER
    c) lysosomes; peroxisomes
    d) Golgi bodies; plastids
    e) leucoplasts; chromoplasts

  15. The presence of which organelle would enable you to positively identify a cell as belonging to a plant?

    a) endoplasmic reticulum
    b) Golgi complex
    c) vacuole
    d) mitochondria
    e) none of the above

  16. The unit comprised of the sugar ribose, a phosphate, and thymine is a:

    a) nucleotide
    b) nucleoside
    c) DNA polymer
    d) base pair
    e) transposable element

  17. The statistical symbol x stands for

    a) mode
    b) variance
    c) median
    d) standard deviation
    e) none of the above

  18. Who is considered the father of genetics?

    a) Charles Darwin
    b) Erasmus Darwin
    c) Charles Lyell
    d) Jean Lamarck
    e) none of the above


		

You have: answers correct out of a possible eighteen.

The question numbers that were not correct are:


Instructor: Professor Clyde Herreid, herreid@buffalo.edu