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Biology 2201
Mid-term Practice
Review Assignment
Jens-Haven Memorial
January 2011
Name:
Part A: Multiple Choice: /55
Part B: Extended Response: /23
Total: /78
This assignment contains 9 pages including this one. Make sure you have them all.
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Part A: Multiple Choice. Circle the best answer. (75 %)
1. What is biology?
A) The study of animals
B) The study of bacteria
C) The study of life
D) The study of plants
2. Needham boiled beef broth and microorganisms appeared. Spallanzani boiled the broth
longer, and no microorganism appeared. Which of the following statements is true?
A) Both supported abiogenesis
B) Both supported biogenesis
C) Needham’s experiment supported abiogenes and Spanazani’s biogenesis.
D) Needham’s experiment supported biogenesis and Spanzani’s abiogeneis
3. What does the cell theory state?
A) All cells have identical structures
B) All living things are made of cells and all cells come from bacteria
C) All living things are made of cells and all cells come from previously existing cells
D) All plants and animals are made of cells
4. A scientist finds small structures on the outside of cells. These structures are believed to be
involved with the development of diabetes. What type of microscope should she use to look for
them?
A) Compound light microscope
B) Scanning electron microscope
C) Stereo (dissecting) microscope
D) Transmission electron microscope
5. You are using a compound light microscope. You want to move the specimen down and to the
left. Which way should you move the slide holding the specimen?
A) Down and to the right
B) Down and to the left
C) Up and to the right
D) Up and to the left
6. Which best describes organelles?
A) Membrane bound structures found only in prokaryotes
B) Membrane bound structures with special functions
C) Special structures within cytoplasm
D) Special structures that help cells maintain homeostasis
7. A rare disease exists which causes people to have difficulty constructing lipids. Which
structure, most likely, has a problem?
A) Golgi
B) Lysosome
C) Ribosomes
D) Vesicles
8. Which structure of the cell membrane has both a polar (charged) and non-polar (not charged)
end?
A) Cholosterol
B) Glycoproteins
C) Phospholipid
D) Protein
9. A new cell is discovered that is 11 mm in diameter. Scientists state that this is a significant
discovery because most cells are much smaller, in order to:
A) Control osmosis
B) Maximize their surface area/volume ratio
C) Reproduce quickly
D) Use many habitats
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10. In osmosis, solvents (i.e. water), ALWAYS flow which way?
A) From hypotonic to hypertonic
B) From hypertonic to hypotonic
C) From hypertonic to isotonic
D)From isotonic to isotonic
11. If the extracellular fluid has the same concentration of Na+ and Cl- ions as the cytoplasm,
what can be said about the fluid?
A) It is hypertonic
B) It is ionized
C) It is isotonic
D) It is saturated
12. Two people are at a local grocery store. They notice that fresh vegetables are sprayed with
water. One person has done Biology 2201. They explain that the spraying is done in order to:
A) Keep them clean
B) Maintain a hypertonic situation
C) Maintain a hypotonic situation
D) Maintain an isotonic situation
13. Which of the following can pass through the phospholipid bilayer of cells?
A) ATP and hormones
B) carbon dioxide and hydrocarbons
C) sugar and salt
D) water and hormones
14. A new eukaryotic organism is found in a habitat that has temperature extremes (ranging from
-40oC to + 40oC). When compared to a similar organism that lives at a constant temperature of
20oC, the new organism likely has more of which of the following cell membrane components?
A) Cholosterol
B) Glycoproteins
C) Phospholipid
D) Protein
15. An organism consumes 200 Joules of food. Joule is a measurement of energy. How much of
this energy will be lost?
A) 10 Joules
B) 50 Joules
C) 100 Joules
D) 180 Joules
16. What is meant by the term “chemical energy” in aerobic respiration?
A) Adenosine triphosphate (ATP)
B) Energy from the sun
C) Energy is stored in chemical bonds
D) Light energy
17. What are absorptive heterotrophs?
A) Organisms which digest animals
B) Organisms which digest food externally
C) Organism which injest plants
D) Organisms which make their own food
18. Why can the carbon cycle can be said to recycle energy?
A) Carbon dioxide is produced by most organisms
B) Carbon is needed for photosynthesis
C) Energy flows and matter cycles
D) It recycles carbon in dead organisms
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19. Why are classification systems important?
A) To make communication and identification easier
B) To learn how many species are in an area
C) To open new avenues for research
D) To protect endangered species
20. Which option shows taxons going from largest to smallest?
A) Domain, Class, Division, Genus, Species
B) Domain, Kingdom, Order, Family, Species
C) Faimily, Domain, Order, Genus, Species
D) Phylum, Order, Class, Genus, Family
21. What is true of a dichotomous key?
A) All biologists would develop the same key for the same organisms
B) It can only be used if the biological name is known
C) It is a series of paired comparisons that sorts organisms
D) Organisms are sorted into larger groups
22. Which best describes a phylogeny?
A) A family tree
B) A diagram that shows how evolution happened
C) Comparing morphological similarities between organisms
D) The evolutionary history of an organism
23. Which is not a Kingdom?
A) Bacteria
B) Eukaryota
C) Plantae
D) Protista
24. Which is the correct way to write the species name for humans?
A) homo sapiens
B) Homo sapiens
C) Homo sapiens
D) Homo sapiens
25. How is the scientific name of an organism formed?
A) The family and genus names
B) The genus and species names
C) The kingdom and phylum names
D) The phylum and class names
26. Why was Latin chosen for scientific names?
A) Carolus Linneaus spoke Latin
B) It contains many short descriptive words
C) It is a dead unbiased language
D) It is similar to many languages used in Europe
27. Which method would best identify cod fish that has already been filleted and salted?
A) Dichotomous key
B) DNA analysis
C) Microscope
D) Visual examination
28. What are the basic components of viruses?
A) Cell membrane and proteins
B) DNA and RNA
C) DNA and a protein shell
D) Proteins and carbohydrates
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29. Which is true about bacteria?
A) All cause disease
B) None can move
C) Some have simple organelles
D) Some live in long chains
30. A scientist collects a sample of water from a very salty pond. When he examines the sample
he finds small spherical shaped organisms. What group do these organisms belong to?
A) Archaea
B) Bacteria
C) Eukaryotes
D) Plants
31. Chlamydomonas is a motile, unicellular and photosynthetic organism with a membranebound nucleus, mitochondria, and chloroplasts, but lacks a cellulose cell wall. Which statement
best describes Chlamydomonas ?
A) It belongs in Animalia because it is motile and has mitochondria.
B) It belongs in Protista because it has membranous organelles and is unicellular.
C) It belongs in Bacteria because it lacks a cellulose cell wall and a nuclear membrane.
D) It belongs in Plantae because it is photosynthetic and has a cell wall.
32. What are the cell walls of Fungi made of?
A) Cellulose
B) Chitin
C) Peptidoglycan
D) Proteins
33. Which structure would a fungus lack?
A) Chromosome
B) Chloroplast
C) Nucleoli
D) Ribosome
34. An organism was discovered that could undergo photosynthesis in its cytoplasm, is multicellular but lacked roots and leaves. What Kingdom would this organism best fit into?
A) Bacteria
B) Fungi
C) Plantae
D) Protista
35. Which is false about Plantae?
A) All need water
B) All are autotrophs
C) All have cell walls
D) All have sporophytes
36. Which is a significant difference between plants and animals?
A) Animals don’t have cell walls and plants do.
B) Only animals use aerobic respiration
C) Only plants have endoplasmic reticulum
D) Plants are not eukaryotic
37. Why are most of the Bryophyta small?
A) They have no vascular tissue
B) They have small sporophytes
C) They have spongy cell walls
D) They live on forest floors
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38.Which plant group contains the oldest organism?
A) Anthophyta
B) Bryophyta
C) Coniferophyta
D) Pterophyta
39. Which statement about angiosperm reproduction is correct?
A) Fertilization does not require pollination
B) Pollination and fertilization is the same process
C) Pollination occurs after fertilization
D) Pollination occurs before fertilization
40. The production of spores from a sporophyte is a characteristic of which group of plants?
A) angiosperms, ferns
B) bryophytes, ferns
C) ferns only
D) gymnosperms, ferns
41. Which best describes an eucoelom?
A) A fluid filled cavity lined with mesoderm
B) A liquid cavity that is used for transport
C) A solid structure used for support
D) A structure found only in sponges
42. Which of the following best describes a hermaphrodite?
A) Both sexes contained in a single individual
B) Organisms which exchange eggs or sperm
C) Members of Annelida that are free living
D) Parasitic worms found in the intestine
43. Where is digestion done in sponges?
A) In a GVC
B) In a one-way gut
C) Inside each cell
D) Outside the animal
44. Which group has the most species?
A) Porifera
B) Cnidaria
C) Echinodermata
D) Mollusca
45. Which group has only a cellular level of organization?
A) Cnidaria
B) Nematoda
C) Platyhelminthes
D) Porifera
46. Which of the following have eucoeloms?
A) Annelida and Echinodermata
B) Annelida and Platyhelminthes
C) Nematoda and Cnidaria
D) Nematoda and Platyhelminthes
47. Which group is most closely related to vertebrates?
A) Annelida
B) Cnidaria
C) Echinodermata
D) Mollusca
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48. Which groups have three tissue layers?
A) Cnidaria and Annelida
B) Echinodermata and Cnidaria
C) Platyhelminthes and Annelida
D) Porifera and Nematoda
49. Which groups contain radially symmetrical species?
A) Annelida and Nematoda
B) Cnidaria and Porifera
C) Cnidaria and Echinodermata
D) Mollusca and Platyhelminthes
50. What is the primary function of the water vascular system?
A) Circulation
B) Digestion
C) Movement
D) Skeleton
51. Which groups have internal fertilization?
A) Nematoda and Annelida
B) Cnidaria and Nematoda
C) Echinodermata and Porifera
D) Mollusca and Cnidaria
52. Which tissue layers do the Cnidaria have?
A) Ectoderm and Endoderm
B) Ectoderm, Endoderm and Mesoderm
C) Ectoderm and Mesoderm
D) Endoderm and Mesoderm
53. What are the two body forms of Cnidaria?
A) Coral and jellyfish
B) Jellyfish and anemone
C) Medusa and polyp
D) Sessile and stationary
54. Which groups have a separate mouth and anus?
A) Annelida and Mollusca
B) Cnidaria and Nematoda
C) Echinodermata and Porifera
D) Mollusca and Cnidaria
55. Which term refers to a skeleton made of a fluid filled eucoelom?
A) Coelomstatic
B) Exoskeleton
C) Hydrostatic
D) Water skeleton
Part B: Extended response. Answer the following questions in the space provided. (20 %)
1. Using specific examples, explain how abiogenesis was disproven. (3%)
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2. Two people find themselves in a boat with no provisions. After several hours in the hot sun,
one person says she will drink seawater to quench her thirst. The other person had done Biology
2201 and they say doing so would only make them thirstier. Explain this statement. (2%)
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3. Discuss the similarities and differences between active transport and endocytosis. (2%)
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4.a) Describe the major differences in prokaryote and eukaryote cells. Use specific examples in
your explanation. (3%)
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b). Which Kingdom contains the most diverse ways to obtain energy? Explain your choice. (1%)
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5. Explain how photosynthesis and aerobic respiration are related. (2%)
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6. Citing specific characteristics, explain how there is an increased degree of complexity from the
Bryophyta, to the Pterophyta, to the Anthophyta. Give an example of each Division. (4%)
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7. Why does Division Anthophyta contain so many more species, when the similar Division,
Coniferophyta? (3%)
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8. Support the statement: Arthropoda are more complex than Porifera. (3%)
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