True and False Questions
Todays protists are polyphyletic, indicating that plants, animals, and fungi all originated from the same ancestral group.
Amebic dysentery is transmitted by the female Anopheles mosquito.
Multiple Choice Questions - Choose the best available answer.
The membrane-bounded organelles that are thought to have originated as endosymbionts are
a) the nucleus and mitochondria
b) the nucleus and chloroplasts
c) mitochondria and lysosomes
d) mitochondria and chloroplasts
a) their own DNA and ribosomes
b) their own DNA, but no ribosomes
c) heir own ribosomes, but no DNA
d) neither DNA nor ribosomes of their own
Common modes of nutrition among protists include
a) predation, but not autotrophy
b) photosynthesis, but not parasitism
c) both heterotrophy and autotrophy
d) both chemoautotrophy and photoautotrophy
Reproduction of protists where mitosis is followed by cell division is termed ___________ and is _________.
a) fission; sexual
b) fission; asexual
c) fragmentation; sexual
d) fragmentation; asexual
Which organism is not a protist?
b) malaria-causing organism
c) organism that causes Africa sleeping sickness
d) organism that causes AIDS
e) slime molds
Gametophytes are __________ and produce __________.
a) diploid; gametes
b) haploid; spores
c) diploid; spores
d) haploid; gametes
In the sporophyte generation of plants, the process of __________ leads to the production of __________.
a) mitosis; spores
b) meiosis; spores
c) mitosis; gametes
d) meiosis; gametes
Flagellates and amebas are members of the phylum
Most of the slime molds could be described as
A lichen is a symbiontic association between
a) myxomycota and oomycetes
b) algal and fungal cells
c) an alga and a slime mold
d) an alga and a water mold
The organisms responsible for "red tides" are found among which group?
b) red algae
The photosynthetic system in Euglena is similar to that found in green plants because it uses
a) chlorophylls a and b
b) chlorophylls a and c
c) chlorphylls a and d
The largest of the multicellular algae would probably be found among the
c) sea lettuce
A good example of a colonial green alga is
Which of the following is (was) not a coelomate?
Which mollusk is considered to be the most different from the presumed ancestral mollusk?