Botany Sample test questions

These questions will be similar to the ones on Test 3 (Chapters 19, 20 & 21).

1).   "Fly agaric" is the common name for the genus __1__ which is a __2__
      a) Armillaria ; ascomycete        b) Amanita ; ascomycete
      c) Armillaria ; basidiomycete     d) Amanita ; basidiomycete


2).   Peanuts infected by the fungus __________________ contain chemicals
      called aflatoxins which increase the risk of ____________ cancer


3).   What genus of fungus is used to make soy sauce ?  ____________________


4).   What does saprophyte mean? ___________________________________________


5).  Compare how the spores are dispersed in the genus Phallus and Pilobolus:

       Phallus: ____________________________________________________________

       Pilobolus: __________________________________________________________


6).   The cell wall of a fungus is made of:
      a) cellulose     b) lignin     c) silica     d) chitin


7).   What is meant by "plasmogamy"? _______________________________________


8).   Which genus of fungus is used to make tofu?
      a) Saccharomyces  b) Rhizopus  c) Aspergillus  d) Entomophthora


9).   Which genus of fungus kills nematode worms? ____________________________


10).  The fungus Claviceps purpurea causes the disease _____________ in crops
      and ______________________ in humans.


11).  The fungi that cause athlete's foot are in the phylum:
      a) Zygomycota    b) Basidiomycota    c) Deuteromycota    d) Ascomycota


12).  Roughly how many species are in the phylum Ascomycota?
      a) 1,000      b) 60,000      c) 10,000      d) 30,000


13).  What is the genus and phylum of truffles, that are collected in woods
      using either pigs or dogs ?  
      Genus: ____________________       Phylum: __________________________


14).  In “alternation of generations” a diploid _________phyte produces
      spores that grow into a haploid  __________phyte.


15).  A strobilus is  _________________________________ and is found in
      the phylum ____________________________.


16).  Which of the following is a homosporous  genus ?
      a) Pinus     b) Hibiscus    c) Lycopodium     d) Selaginella


17).  Which phylum below contains the largest number of species ?
      a) Sphenophyta    b) Bryophyta    c) Hepaticophyta     d) Lycophyta
    

18).  Which of the following plants have the gametophyte dominant ?
      a) hepaticophyta   b) psilophyta   c) pterophyta   d) lycophyta


19).  The spores of the genus _______________ burn well, and were used
      in early flash photography, and circus fire-breathers.


20).  Sori are _____________________ and are typical of the phylum:
      ____________________.


21).  Wheat rust, caused by the fungus _____________  ______________
      infects two different plants : wheat and __________________


22).  Why are liverworts (Hepaticophyta) restricted to wet areas?
      ____________________________________________________________________


23).  How many spores are produced in an ascus?
      a) 8        b) 4        c) 2        d) 1


24).  What is the name for the thread-like structures in fungi that
      join together to form mycelium ?   _______________________


25).  One trend in plant evolution is from needing water for reproduction
      to no water needed. What is the other trend?
      _________________________________________________________________


26).  The underground stem of Psilotum, or Pteridium, is called a:
      a) rhizoid      b) root      c) rhizome      d) rhizopod


27).  Which phylum includes the genus Equisetum? ____________________


28).  Which phylum uses elaters to disperse their spores? ________________


29).  Explain how Liverworts reproduce asexually: _________________________
      ______________________________________________________________________


30).  Which group of plants can be used to detoxify soil by removing arsenic,
      which was used in pressure treated lumber?	 
      a) conifers      b) mosses      c) ferns     d) horsetails