Biology 102

Exam 1 Practice Questions

 

1.     The scientific name for an organism is the _____________ name(s) for that organism.

  1. class
  2. genus & species
  3. species
  4. family & genus

 

2.     There are currently 5 _______________ into which all organisms are classified.

  1. species
  2. families
  3. phyla
  4. kingdoms

 

3.     ____________ is character similarity due to organisms having a common ancestor.

a.     Phylogeny

b.     Homology

c.     Analogy

d.     Taxonomy

 

4.     Organisms of the kingdom ______________ are all multicellular & photosynthetic.

  1. animalia
  2. fungi
  3. plantae
  4. protista

 

5.     Which of the following would NOT be associated with any virus?

  1. nucleic acid
  2. protein
  3. phospholipid
  4. mitochondria

 

6.     _____________ are released from a host cell by budding from the plasma membrane.

  1. Animal viruses
  2. Lytic bacteriophages
  3. Lysogenic bacteriophages
  4. Archaea

 

7.     _____________ are structures outside the cell used primarily for locomotion by some prokaryotes.

  1. Fimbriae
  2. Flagella
  3. Plasmids
  4. Ribosomes

 

8.     Obligate anaerobic bacteria:

a.     are unable to grow in the presence of O2

b.     require a constant supply of O2 for growth

c.     require inorganic gases for growth

d.     none of the above are true

 

9.     ________________ is a filamentous green algae found on surfaces of ponds and streams.

  1. Chlamydomonas
  2. Spirogyra
  3. Volvox
  4. Fucus

 

10.  The phylum ____________ contains unicelullar photosynthetic & nonphotosynthetic freshwater protists with 2 flagella and a photoreceptor eyespot.

a.     Chlorophyta

b.     Phaeophyta

c.     Bacillariophyta

d.     Euglenophyta

 

11.  The slime molds & water molds are generally classified in the kingdom __________.

  1. Monera
  2. Protista
  3. Fungi
  4. Plantae

 

12.  Which of the following would NOT be a general characteristic of molds & mildews?

a.     multicellular eukaryotes

b.     cell wall made from chitin

c.     heterotrophic by ingestion

d.     composed of filaments called hyphae

 

13.  The result of sexual reproduction in fungi is the formation of ____________.

  1. a haploid mycelium
  2. diploid hyphae
  3. a diploid zygote
  4. all of the above

 

14.  _____________ are horizontal hypahe in Zygomycetes that exist solely on the surface of the bread substrate.

a.   Rhizoids

b.   Stolons

  1. Mycorrhizae
  2. Sporangia

 

15.  Sac fungi such as cup fungi, morels, and truffles are classified in the phylum _______________.

  1. Zygomycota
  2. Ascomycota
  3. Basidiomycota
  4. Deuteromycota

 

 

Extra Credit possibilitiesŠ

a.     List the seven categories of classification & give an example of the complete classification of an organism using all seven categories. Also give the scientific name & common name and some general characteristics of the chosen organism that might be useful in its classification.

b.     List the general characteristics used to differentiate viruses. Briefly describe why viruses are not placed in traditional classification schemes for organisms.

c.     Choose 5 phyla of protists & for each, give the name & general characteristics of the phylum, and identify a specific organism belonging to each phylum.

d.     Detail the process of sexual reproduction in fungi, including a brief description of each stage & whether it is haploid or diploid. Briefly describe 2 mechanisms of asexual reproduction used by fungi.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Answers: b, d, b, c, d, a, b, a, b, d, b, c, c, b, b