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A. carbon, hydrogen, oxygen B. helium, hydrogen, oxygen
1. The six most common elements found in living organisms are nitrogen, phosphorus, sulfur ___________, ____________ and ______________. A. carbon, hydrogen, oxygen B. helium, hydrogen, oxygen C. hydrogen, oxygen, calcium D. sodium, calcium, oxygen
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2. What property of water allows insects, like the one pictured below, to walk on water?
A. adhesion B. cohesion C. surface tension D. hydrogen bonding E. All but A
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3. The STD, genital warts is caused by a strain of
A. bacteria B. prion C. RNA D. virus
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4. All bacteria are A. Eukaryotes B. Trikaryotes C. Mykaryotes
D. Prokaryotes
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5. The one element found in all organic compounds is
A. Oxygen B. Calcium C. Carbon D. Sulfur
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6. The three different types of bonds found in living organism are
A. covalent , carbon, and hydrogen B. Ionic, carbon, and nuclear C. cohesive, adhesive, and covalent D. hydrogen, ionic, and covalent
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7. What property of water causes a meniscus like the one pictured below to form?
A. water tension B. cohesion C. adhesion D. surface tension
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8. MRSA is a A. Bacterial infection B. Staph infection C. Both A and B
D. Neither A nor B
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9. If you do not understand a direction or part of a lab procedure, you should
A. Figure it out as you do the lab B. Ask the teacher before proceeding C. Try several methods until something works D. Skip it and go on to the next part
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A. Anthrax B. Botulism C. Scarlet Fever D. Leprosy
10. The only other mammal beside humans to contract this disease is the armadillo. A. Anthrax B. Botulism C. Scarlet Fever D. Leprosy
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Use diagram below to match the answer to the correct label in #11-14.
11. Tail fiber 12. Collar 13. Capsid containing DNA 14. Tail A B D C
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15. Which phrase best describes atoms?
Positively charged particles Parts of a nucleus Smallest basic units of matter Single celled organism
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Proven by more than one scientist
16. Which of the following is an important characteristic of a scientific theory? Proven by more than one scientist Unchanged by new evidence Accepted by the public Supported by much evidence
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17. In an experiment, the condition that is manipulated by the scientist is the
Independent variable Dependent variable Constant Control condition
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18. Which best describes a scientific hypothesis?
Provable Theoretical Testable Quantifiable
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19. The maintenance of constant internal conditions in an organism is known as
Homeostasis Negative feedback Structure specialization Adaptation
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20. The basic unit of life is
The cell An atom DNA A species
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21. Which of these characteristics is shared by all living things?
They are made up of one or more cells They make their own chemical energy They have similar responses to light They reproduce when one cell divides into two
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22. An ion is formed when an atom gains or loses
Protons Neutrons Bonds Electrons
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23. Atoms connected by covalent bonds share
Hydrogen ions Carbon and oxygen Ionic compounds Pairs of electrons
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Nonpolar Negatively charged Uncharged (neutral) Oppositely charged
24. Hydrogen bonds can form between regions of polar molecules that are Nonpolar Negatively charged Uncharged (neutral) Oppositely charged
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25. The attraction among molecules of different substances is called
Cohesion Surface tension Adhesion Specific heat
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26. Carbon is unique due to the carbon atom’s
Hydrogen bonding strength Six outer unpaired electrons Ionic compounds Bonding properties
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Unsaturated fatty acids Phospholipids Carbohydrates Proteins
27. Which category of carbon-based molecules includes sugars and starches? Unsaturated fatty acids Phospholipids Carbohydrates Proteins
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28. Fats, oils, and cholesterol are all types of
Fatty acids Lipids Hormones Cell membranes
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29. Proteins are composed of which molecules?
Nucleic acids Monosaccharides Fatty acids Amino acids
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30. Unlike a eukaryotic cell, a prokaryotic cell does not have
DNA A nucleus A cell membrane Cytoplasm
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31. What is the term for the jellylike substance that is contained inside the cell membrane?
Nucleus Organelle DNA Cytoplasm
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32. DNA and RNA are two types of
Carbohydrates Lipids Nucleic acids Proteins
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33. What are the main differences between plants and animals cells?
Plant cells have cell walls and chloroplasts; animal cells do not Animal cells have cell walls and chloroplasts; plant cells do not Plant cells are eukaryotes and animal cells are not Animal cells are eukaryotes and plant cells are not Lady Jenna’s Plant Cell
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34. All the chemical processes used to build up or break down materials are called an organism’s
Stimuli Homeostasis Adaptations Metabolism
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35. Similar organisms that can reproduce by interbreeding belong to the same
Ecosystem Environment Habitat Species
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36. What is the name given for genetic changes in living things over time?
Adaptation Homeostasis Evolution Negative feedback
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37. A physical environment with different species that interact with one another and with nonliving things is called a(n) A. Adaptation B. Habitat C. Biosphere D. Ecosystem
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37 1/2 In the diagram below, the items marked #5 are
A. Paramecium B. Flagellum C. Nucleoid D. Ribosome
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38. If a cell has organelles, a nucleus, chloroplasts, and a central vacuole, it is
Prokaryotic Eukaryotic Bacterial Animal
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39. Which organelle is the storehouse for most of a cell’s genetic information?
Mitochondrion Chloroplast Centriole Nucleus
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40. Which organelle supplies energy to the cell?
Vacuoles Mitochondria Centrosomes Ribosomes
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41. Which process occurs inside the chloroplasts?
Protein synthesis Detoxification Ribosome assembly Photosynthesis
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42. Gram staining is used to identify the type of
A. pyrite B. prion C. bacteria D. virus
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43. When a protein is destroyed, it is said to have been
A. de-robed B. dissolved C. rehabilitated D. denatured
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44. The diagram shows what type of secondary structure protein?
A. peptide chain B. alpha-helix C. beta-pleated sheet D. omega-pleated sheet
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45. In the body hydrogen bonds form between hydrogen and either
A. Helium or Sulfur B. Oxygen or Sodium C. Oxygen or Nitrogen D. Oxygen or sulfur
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46. Fats store what percent of the energy in your body.
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47. Which of the following is least likely to be broken down in the body to make ATP?
A. protein B. carbohydrates C. glucose D. fats
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48. Four characteristics that something is alive are:
A. Made of cells, homeostasis, metabolism, moves B. Homeostasis, reproduction, grow & develop C. Moves, reproduction, made of cells, grow & develop D. Breath, move, reproduce, excrete
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49. Prions are A. Viruses that put holes in your brain
B. Small cells that infect the brain with “mad cow” disease C. Small bacteria that make you dizzy and sick to your stomach D. Proteins gone bad that cause problems in the brain
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50. Smallpox is a Bacterial infection Viral infection
Disease caused by prions D. Disease carried by fly bites
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51. The examples of waxes found in organisms are:
Earwax, wax on bird feathers, honeycomb Paste wax, finger nails, earwax Simonize, earwax, wax on bird feathers Candle wax, earwax, honeycomb
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52. The diagram below is a picture of a
Bacterial cell B. Virus cell Animal cell Protist cell
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53. Unlike chemoautotrophs, photoautotrophs obtain energy
A. Directly from of the sun B. Directly from inorganic molecules C. Indirectly from other organisms D. Indirectly from inorganic molecules
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54. The difference between bacteria and viruses is
A. Bacteria are multi-cellular and viruses are unicellular B. Bacteria can cause disease and viruses cannot C. Bacteria have RNA and Viruses have DNA D. Bacteria are alive and viruses are not
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55. An infection in which the DNA of a virus is embedded into a host cell and replicated with host DNA is called Lysogenic Lytic C. Oncogenic D. Capsid
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56. The outer layer of a virus is composed of
Proteins RNA DNA Viral genes
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57. The primary structure (1o) of a protein is a
A. Alpha-helix B. Protein surrounded a sulphur molecule C. Beta-pleated sheet D. A string or chain of amino acids.
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58. You have been injured in the laboratory (cut, burn, etc. )
58. You have been injured in the laboratory (cut, burn, etc.). First you should Visit the school nurse B. Tell the science instructor at once C. See a doctor after school D. Apply first aid yourself
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59. In a scientific laboratory, the following should not be worn
A. Dangling jewelry B. Loose clothing C. Sandals D. A, B, and C.
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60. The following are all true about Filoviridae-Marburg Ebola virus except,
Once contracted, the death rate is 90 to 99 % Your blood vessels blow up crash and die C. Bleeding will occur from every opening D. It shows up primarily in western United States
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61. The largest in size of all the protists is
A. Rhodophyta B. Phaeophyta C. Chlorophyta D. Chrysophyta
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62. Which of these organisms have pseudopodia?
A. Ciliates B. Mastigophorans C. Amoeba D. Sporozoans
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63. In science, the prefix “lys” means
A. To grow B. To shrink C. To reproduce D. To burst
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