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Sem I Exam Q's 12-13

Possible questions for the biology first semester exam of 12-13

QuestionAnswer
Which of the following is not a characteristic that all living things share? a. Growth b. Organization c. Movement d. Cells c. Movement
Which characteristic of living things is not necessary for an individual member of a species? a. Cells b. Reproduction c. Growth d. Homeostasis b. Reproduction
Which of the following microscopes would provide the highest level of magnification? a. Stereomicroscope b. Compound Light Microscope c. Transmission Electron Microscope d. Scanning Electron Microscope c. Transmission Electron Microscope
Which of the following microscopes would provide a three dimensional image of a speciment? a. Stereomicroscope b. Compound Light Microscope c. Transmission Electron Microscope d. Scanning Electron Microscope d. Scanning Electron Microscope
For which of the following types of microscopes does one prepare a "wet-mount" slide? a. Stereomicroscope b. Compound Light Microscope c. Transmission Electron Microscope d. Scanning Electron Microscope b. Compound Light Microscope
When using a compound light microscope, which lens provides the highest level of magnification? a. Scanning lens b. Ocular lens c. 10x objective lens d. 40x objective lens d. 40x objective lens
How does one calculate the total magnification of a compound light microscope? a. ocular lens x objective lens b. objective lens only c. Ocular lens power + Objective lens power d. Ocular lens power only a. Ocular lens x objective lens
List the six themes of biology. 1. Cell Structure and Function 2. Evolution 3. Matter, energy, and organization 4. Reproduction and inheritance 5. Interdependence of organisms 6. Stability and Homeostasis
List the six characteristics of life. 1. Cells 2. Organization 3. Reproduction 4. Homeostasis 5. Energy use 6. Growth
List the five major steps of the scientific method. 1. Identify the problem 2. Gather data 3. Form a hypothesis 4. Experiment 5. Conclusions
On the periodic table of elements, the atomic number describes a. The number of neutrons b. The number of protons and neutrons combined c. The number of protons d. The number of valence electrons c. The number of protons
On the periodic table of elements, the mass number describes a. The number of neutrons b. The number of protons and neutrons combined c. The number of protons d. The number of valence electrons b. The number of protons and neutrons combined
The valence electrons are a. The electrons in the first energy level. b. The total number of electrons. c. The electrons that are transferred to another atom. d. The electrons in the outermost energy level. d. The electrons in the outermost energy level
The atoms that have complete outer shells are found in which group on the periodic table? a. alkali metals b. alkaline earth metals c. halogens d. noble gases d. noble gases
Which of the following elements would have only one valence electron? a. Carbon (C) b. Magnesium (Mg) c. Sulfur (S) d. Lithium (Li) d. Lithium
Which of the following are likely to give up an electron to form a positive ion? a. Potassium (K) b. Manganese (Mn) c. Flourine (F) d. Argon (Ar) a. Potassium (K)
How many valence electrons do the elements of the oxygen family have? a. 4 b. 5 c. 6 d. 7 c. 6
Phosphorus would be classified as a a. metal b. nonmetal c. metalloid d. semiconductor b. nonmetal
Ionic bonds form between a. atoms of the same element b. metals with metals c. nonmetals with metals d. nonmetals with nonmetals c. nonmetals with nonmetals
Covalent bonds form between a. atoms of the same element b. metals with metals c. nonmetals with metals d. nonmetals with nonmetals d. nonmetals with nonmetals
Solids have which characteristic a. definite shape and volume b. definite volume and indefinite shape c. indefinite shape and volume d. take the shape of their container a. definite shape and volume
Liquids have which characteristic a. definite shape and volume b. definite volume and indefinite shape c. indefinite shape and volume d. fill the space it occupies b. definite volume and indefinite shape
Gases have which characteristic a. definite shape and volume b. definite volume and indefinite shape c. indefinite shape and volume d. viscosity c. indefinite shape and volume
The particles involved in which state of matter have the most kinetic energy? a. solid b. liquid c. gas d. plasma c. gas
The energy found in the bonds of a compound is a. kinetic energy b. activation energy c. a form of potential energy d. no energy c. a form of potential energy
Which of the following is not a solution? a. air b. blood c. tap water d. sodium chloride d. sodium chloride
Which of the following would be an acid? a. ammonia b. milk c. diet soda d. distilled water c. diet soda
Which of the following would be a strong base? a. ammonia b. milk c. diet soda d. distilled water a. ammonia
An acid would have which range of values on the pH scale? a. 0-6.9 b. 7.0 c. 7.1-14 d. None of the above a. 0-6.9
A base would have which range of values on the pH scale? a. 0-6.9 b. 7.0 c. 7.1-14 d. None of the above c. 7.1-14
Is oxygen an element, compound, or mixture? Element
Is water an element, compound, or mixture? Compound
Is juice an element, compound, or mixture? Mixture
Is blood an element, compound, or mixture? Mixture
Is iron an element, compound, or mixture? Element
Is salt an element, compound, or mixture? Compound
Is carbon an element, compound, or mixture? Element
Is alcohol an element, compound, or mixture? Compound
What type of scale is the pH scale? Logarithmic
The pH scale increases or decreases by powers of what number with each increment? 10
Waxes are included in this class of organic compounds Lipid
The monomer of this class of organic molecule is made up of a 5 carbon sugar, a phosphate group, and a nitrogen containing base Nucleic acids
This class of organic compound stores energy in the long term Lipid
This class of organic compound is a form of quick energy Carbohydrate
This class of organic compound stores hereditary information Nucleic acid
This class of organic compound is not soluble in water Lipid
The monomer of this compound is a monosaccharide Carbohydrate
Examples of this class of organic compound includes words that end in -ose Carbohydrate
Plants store this class of compound as starch Carbohydrate
DNA and RNA belong in this group of organic compounds Nucleic acids
This class of organic compounds are important for building the structural components of living things, such as hair, skin, or nails Protein
The monomer of this compound is an amino acid Protein
Animals store this class of organic compounds as glycogen Carbohydrate
The monomer of this organic compound is made up of a central carbon atom, a hydrogen atom, an amine, a carboxylate group, and an r group Protein
The monomer of this compound is a nucleotide Nucleic acid
Steroids belong in this class of organic compound Lipid
The monomer of this class of organic compound is made up of C, H, O in a 1:2:1 ratio Carbohydrate
The monomer of this compound is a fatty acid Lipid
Can act as chemical messengers or help defend against infection Protein
Contain carbon, hydrogen, and oxygen but not in a specific ratio Lipid
Can be saturated or unsaturated Lipid
The main component of a cell membrane Lipid
This class of organic molecule includes the molecule that has the information for making polypeptides Nucleic acid
Make up enzymes Protein
Make up animal hormones Lipid
The element carbon has how many valence electrons A. 2. B. 8. C. 4. D. 6 C
As a result of its valence electrons, carbon can form A. Single bonds. B. double bonds. C. Triple bonds D. All of the above D
Carbon has the ability to form. A. Straight chains. B. branched chains. C. Ring structures. D. All of the above D
All organic molecules contain A. Carbon. B. phosphorus C. Nitrogen. D. All of the above A
Which of the following is an organic molecule? A. Water. B. ATP C. Carbon dioxide. D. Glucose D
Saturated fats A. Are soluble in water B. healthier than unsaturated fats C. Come from animals D. Liquid at room temperature C
Saturated fats A. Come from plants B. are soluble in water C. Liquid at room temperature D. Have no double bonds D
Saturated fats A. Are insoluble in water B. have double bonds C. Come from plants D. Are healthier than unsaturated fats A
Unsaturated fats A. Are soluble in water B. have no double bonds C. Come from plants D. Are solid at room temperature C
Unsaturated plants A. Are soluble in water B. are liquid at room temperature C. Have no double bonds D. Come from animals B
Unsaturated fats A. Are insoluble in water B. are solid at room temperature C. Come from animals D. Have no double bonds A
Unsaturated fats A. Are soluble in water B. have double bonds C. Come from animals D. Are solid at room temperature B
An example of a monosaccharide is A. Sucrose B. glycogen C. Lactose D. Glucose D
An example do a disaccharide is A. Glycogen B. lactose C. Starch D. Fructose B
An example of a polysaccharide is A. Lactose B. sucrose C. Maltose D. Starch D
The difference between each amino acid is found in its A phosphate group B. sugar molecule C. R group D. Covalent bonds C
There are how many different amino acids A. 4 B. 10 C. 6 D. 20 D
Which of the following influences the properties of an organic compound A. Functional group B. sugar molecule C. Phosphate group D. Nitrogen containing base A
Amino acids join together using which type of bond? A. Ionic B. peptide C. Hydrogen D. Metallic B
Which of the following molecules is inorganic? A. Carbohydrate B. lipid C. Water D. Nucleic acid C
Because glucose, fructose, and galactose all have the same chemical formula they are called A. Organic molecules B. isomers C. Monomers D. Friends B
Makes ribosomes Nucleolus
Whip-like tail that helps with movement Flagellum
Storage area in a plant cell Vacuole
Makes energy for the cell Mitochondria
Helps break down lipids Smooth ER
Acts as a dynamic semipermeable barrier around the cell Cell Membrane
Breaks down foreign particles, old organelles, viruses, and bacteria Lysosome
Acts as the control center of the cell and as a storage area for the DNA. Nucleus
Breaks down hydrogen peroxide, drugs, and alcohol Peroxisomes
Tiny hairs that help move the cell or move substances across the surface of the cell. Cilia
Transports proteins across the cell. Rough ER
A rigid, cellulose barrier surrounding a plant cell. Cell Wall
Makes proteins Ribosomes
Packages and processes proteins Golgi Apparatus
Absorbs sunlight to create sugars and organic compounds Chloroplast
Robert Hooke First to discover cells. Saw cell walls of dead cells by looking at a thin slice of cork.
Anton Van Leeuwenhoek First to see living cells.
Theodor Schwann Stated that all animals are made of cells.
Matthias Schleiden Stated that all plants are made of cells.
Rudolf Virchow Stated that all cells arise from other living cells.
Cell Theory 1. All living things are made of cells, 2. Cells are the basic unit of structure and function of an organism, 3. Cells only come from pre-existing cells.
Substances that can pass through cell membranes by diffusion include A. Na+ ions B. Cl- ions C. Glucose D. Oxygen D.
The contractile vacuole of a paramecium should be active when the paramecium is in A. An isotonic environment B. A hypotonic environment C. A hypertonic environment D. Any environment B.
When a human red blood cell is placed in a hypotonic environment, it will A. Undergo cytolysis B. Undergo plasmolysis C. Experience a decrease in turgor pressure D. Be at equilibrium A
Facilitated diffusion is often used to transport A. Ions B. Water C. Molecules that are not soluble in lipids D. Molecules that are too small to diffuse across the membrane C
Na+ ions enter cells by A. Diffusing across the lipid bilayer without assistance B. Diffusing through Na+ ion channels C. Binding to Na+ carrier proteins D. Binding to Cl- ions B
Facilitated diffusion carrier proteins and cell membrane pumps both A. Require an input of energy B. Are specific for the kinds of substances they transport C. Transport substances up their concentration gradients D. Carry out active transport B
The sodium potassium pump transports A. Na+ out of the cell and K+ into the cell B. Na+ and K+ in both directions across the cell membrane C. K+ out of the cell and Na+ into the cell D. Na+ during some cycles A
The energy needed to power the sodium potassium pump is provided by the A. Binding of ATP to the pump B. Transport of ATP by the pump C. Splitting of ATP D. Formation of ATP A
Pinocytosis involves the transport of A. Large particles out of a cell B. Fluids into a cell C. Whole cells into another cell D. Lysosomes out of a cell B
Exocytosis is a A. Type of passive transport B. Mechanism by which cells ingest other cells C. Transport process in which vesicles are formed from pouches in the cell membrane. D. Way for cells to release large molecules D
The process of diffusion requires A. A cell membrane B. A difference in concentration across space C. An aqueous solution D. All of the above B
If the molecular concentration of a substance is the same throughout a space, the substance A. Has a concentration gradient B. Is in equilibrium C. Will undergo diffusion D. Will undergo osmosis B
A type of transport in which water moves across a membrane and down its concentration gradient is A. Simple diffusion B. Facilitated diffusion C. Diffusion through ion channels D. Osmosis D
Net movment of water across a cell membrane occurs A. From a hypotonic solution to a hypertonic solution B. From a hypertonic solution to a hypotonic solution C. From an isotonic solution to another isotonic solution D. Through gated channels A
All forms of passive transport depend on A. Energy from the cell in the form of ATP B. The kinetic energy of the molecules C. ion channels D. Carrier proteins B
A structure that can move excess water out of unicellular organisms is a A. Carrier protein B. Contractile vacuole C. Ion channel D. Cell Membrane pump B
Most of the time, the environment that plant cells live in is A. isotonic B. Hypertonic C. Hypotonic D. None of the above C
Plasmolysis of a human red blood cell would occur if the cell were A. In an isotonic solution B. in a hypertonic solution C. in a hypotonic solution D. none of the above B
Which of the following is an example of active transport? A. Diffusion B. Facilitated Diffusion C. Osmosis D. Cell membrane pumps D
Which of the following is an example of passive transport? A. Endocytosis B. Facilitated Diffusion C. Exocytosis D. Cell membrane pumps B
The part of the cell that functions to maintain homeostasis relative to the cell's environment is the A. Cytosol B. Golgi apparatus C. Cell Membrane D. Nucleus C
When cells in a plant have low turgor pressure, the plant A. Dies B. Wilts C. Is rigid D. Explodes B
Some animal cells engulf, digest, and destroy invading bacteria through the process of A. Exocytosis B. Pinocytosis C. Phagocytosis D. All of the above C
In reference to the cell membrane and permeability lab, the zip-lock bag was permeable to which of the following A. Starch B. Potassium Permanganate C. Iodine D. Salt C
In reference to the cell membranes and permeability lab, more of the potassium permanganate diffused into the potato cubes as A. Time increased B. The solution was stirred C. Time decreased D. The solution was heated A
In reference to the cell membranes and permeability lab, more potassium permanganate diffused into the potato with A. Increased concentration B. The solution was stirred C. Decreased concentration D. The solution was heated A
In reference to the cell membranes and permeability lab, the purpose of the test tube of iodine was A. To block the flow of iodine to the bag B. To serves as a control C. To observe if starch moves into the test tube D. None of the above B
Created by: jmglbrt
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