Leader: Adam
Course: Biology 211
Exam I (chap 26-30)
Instructor: Dr. Holscher
Supplemental Instruction
Iowa State University
Date:
1. The evolutionary history of a species is it’s what?
a. Systematics
b. Ontogeny
c. Taxonomy
d. Phylogeny
2. Which order of hierarchical groups is correct?
a. Kingdom, Phylum, Order, Class, Family, Genus, Species
b. Genus, Family, Genus, Phylum, Order, Kingdom, Species
c. Phylum, Kingdom, Class, Order, Family, Genus, Species.
d. Kingdom, Phylum, Class, Order, Family, Genus, Species
3. What organism(s) have peptidoglycan in their cell wall?
a. Eukaryotes
b. Prokaryotes
c. Bacteria
d. Archaea
4. Where a single species evolves into a different species is called ______.
a. Node
b. Anagenesis
c. Splice
d. Cladogenesis
5. Which of the following is an Archaea but also thrives in salty environments?
a. Hyperthermophiles
b. Cyanobacteria
c. Halophiles
d. Protezoa
6. What prokaryote produced earth’s first oxygen rich atmosphere? (Which in turn allowed
the rise of eukaryotes)
a. Hyperthermophiles
b. Cyanobacteria
c. Halophiles
d. Protezoa
7. Gram Postive bacteria have a ______ peptidoglycan cell wall.
a. Thin
b. Thick
8. Gram Negative bacteria have a ______ peptidoglycan cell wall and a lipopolysaccharide
outer envelope.
a. Thin
b. Thick
9. Which of the following has bacteria has a cellular membrane, peptidoglycan cell wall,
and then an outer envelope?
a. Thin
b. Thick
10. Where a single species diverges into two or more species is called ________.
a. Node
b. Anagenesis
Exam Review:
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu
c. Splice
d. Cladogenesis
11. A process whereby an organism receives genetic material from another organism without
being the offspring of that organism is called what? *Archaea and Bacteria do this
a. Sexual Reproduction
b. Pollination
c. Fertilization
d. Horizontal Gene Transfer
12. This helps bacteria hold together to form colonies, helps aquatic species float, and forms
a protective capsule, what is it?
a. Biofilm
b. Magnetosome
c. Mucilage (glycocalxy)
d. Cell Wall
13. Bacteria and Archaea reproduce asexually by a process known as what?
a. Look Mom no Hands!
b. Binary Fission
c. Pili
d. Cilia
14. The process where new genetic material in a prokaryotic cell is altered by the uptake of
foreign DNA from the cell’s surrounding is called what?
a. Transformation
b. Transduction
c. Conjugation
d. Endospore
15. A branching point in a phylogenetic tree is called _____.
a. Node
b. Anagenesis
c. Splice
d. Cladogenesis
16. Metabolism varies with respect to oxygen in prokaryotes, so which of the following
requires oxygen for surivial.
a. Obligate Aerobes
b. Facultative Anaerobes
c. Obligate Anaerobes
d. Aerotolerant Anaerobes
17. Cyanobacteria and other prokaryotes can metabolize nitrogen, these cyanobacteria are
referred to as what?
a. Diazotrophs
b. Chemoautroph
c. Halophiles
d. Eudicots
18. The Structure that enable some Gram-positive bacteria to remain dormant for extremely
long periods of time are known as what?
a. Akinetes
b. Endospores
c. Biofilms
d. Lipopolysaccharide envelope
19. The process of using bacteria as a way to clean up environmental hazards is called?
a. Bioremediation
b. Bacteria Attack!
c. Antibiotics
d. GMO’s
20. The Earth’s first eukaryotes were ______.
a. Diazotrophs
b. Protists
c. Flagellas
d. Euphylss
21. Protists can be labeled according to the type of habitats in which they live, which are the
Protists that are swimming and photosynthetic.
a. Phytoplankton
b. Periphyton
c. Pseudopodia
d. Pilli
22. There are 4 types of Protist nutrition, off the following which describes Phagotrophs?
a. Ingestive heteroptrophs (uses phagocytosis)
b. Uptake of small organic molecules
c. Photosynthetic protist
d. Photosynthetic and phagotrophic
23. Dinoflagellates can “bloom” on the surface of water when conditions are right, causes
which of the following?
a. Scum
b. Red Tides
c. Moss
d. Endospores
24. Which Protists are in the same eukaryotic supergroup as land plants?
a. Green Algae
b. Red Algae
c. Red and Green Algae
d. Dinoflagellates
25. Charophyceans share several key traits with land plants, which is not true?
a. Both share a distinctive type of cytokinesis
b. Both have intercellular connections known as plasmodesmata
c. Both reproduce by means of an egg and sperm
d. Adam is both their favorite SI Leader!
26. In alternation of generations the plant cycles through a “multicellular haploid ________
stage that produces _______, and a multicellular diploid ________ stage that produces
______.
a. Sporophyte, spores, gametophyte, gametes
b. Gametophyte, gametes, sporophyte, spores
c. Spore, sporophyte, gamete, gametophyte
d. Spore, gametes, sporophyte, gametophyte
27. Gametes produces in alternation of generation are eggs produced in female structures
called ______.
a. Archegonia
b. Antheridida
c. Sperm
d. Uterus
28. Sperm are produced in male structures called _____.
a. Archegonia
b. Antheridida
c. Balls
d. Ovules
29. In alternation of generation the haploid sperm cell and the haploid egg cell get _____ to
produce the diploid zygote that develops into multicelluar diploid sporophyte stage
through the process of _____.
a. Fertilized, meiosis
b. Pollinated, mitosis
c. Fertilized, mitosis
d. Pollinated, meiosis
30. Haploid cells are produced in the ____ by the process of meiosis.
a. Sporangium
b. Embryo
c. Fetus
d. Liverwort
31. This vascular tissue transports water and minerals
a. Xylum
b. Phloem
c. Move’em
d. Cilia
32. A single unbranched vein
a. Lycophyll
b. Euphylls
c. Lignin
d. Ovule
33. In all vascular plants the sporophyte is _____, than the gametophyte.
a. Larger
b. Smaller
c. Similar
34. A waxy cuticles is an adaptation that
a. Assists water loss
b. Helps to prevent water loss from trachepytes
c. Produces toxins to deter insects
d. Serves no purpose
35. Seed plant that has flowers, produce seeds enclosed in fruits, and a seed with endosperm.
a. Angiosperm
b. Gymnosperm
c. Adamosperm
36. Part of a leaf that can close and open to help assist the entrance of water or prevent the
evaporation of water from cells that make up the leaf.
a. Channel
b. Stomata
c. Cuticle
d. Lignin
37. Nearly all seedless plants are _____
a. Homosporous
b. Hetersporous
c. Transforminal
d. Conjugated
38. Megaspores are _____ gametophytes
a. Male
b. Female
c. Bisexual
d. Changing
39. _______ produce seeds that are exposed rather than enclosed in fruits.
a. Gymnosperms
b. Angiosperms
40. Part of the flowers that encloses the flower
a. Sepal
b. Petal
c. Stamen
d. Carpel
41. Part of the flower that produces pollen
a. Sepal
b. Petal
c. Stamen
d. Carpel
42. Plants that produce small, drab colored flowers are usually pollinated by _____
a. Animals
b. Wind
c. Humans
d. Ants
43. Many seeds plants produce secondary metabolites, which are common household spices?
a. Phenolics
b. Terpenes
c. Terpenoids
44. The process by which two or more species of organisms influence each other’s
evolutionary pathway.
a. Coevolution
b. Binary Fission
c. Sporopollenin
d. Pollination
45. The primary function of a fruit is to
a. Provide food for the developing seed
b. Provide food for the developing seedline
c. Foster pollen dispersal
d. Foster seed dispersal
46. In nonvascular bryophytes which are larger and live longer
a. Gametophytes
b. Sporophyte
c. Is this SI session over yet?
47. What is the area of localized cell division that leads to tissue growth in plants known as?
a. Endosymbiosis
b. Binary Fission
c. Apical Meristem
d. Chitin
48. Which of the following statements regarding the gametophyte generation of a bryophyte
is correct?
a. The gametophyte is diploid
b. The gametophyte is haploid
c. The gametophyte generation is polyploidy
d. The gametophyte generation undergoes meiosis
49. Plant embryos develop by repeated ______ from a single celled ______ resulting from
fertilization.
a. Meiosis…zygote
b. Meiosis…gamete
c. Mitosis…zygote
d. Mitosis…gamete
50. How do various types of bacteria move?
a. Use of flagella
b. Use of pili, which help cells twitch or glide along a surface
c. Use of gas vesicles to regulate buoyancy in water bodies
d. All the above