PRACTICE QUESTIONS

1) Which of the following correctly lists the cellular hierarchy from the simplest to most complex structure? a. Tissue, cell, organ, organ system, organism b. Organism, organ system, organ, tissue, cell c. Organ system, organism, organ, tissue, cell d. Cell, tissue, organ, organ system, organism 2) If a cell is placed in a hypertonic solution, what will happen to the cell? a. It does not affect the cell b. It will swill c. It will stay the same d. It will shrink i. Hypertonic solution is a solution with a higher particle concentration and lower water content outside the cell. Water moves from the cell to the solution, losing water and shrinking. 3) What is the longest phase of the cell cycle? a. Cytokinesis b. Interphase c. Metaphase d. Mitosis 4) B = alleles for brown eyes; g = alleles for green eyes B g B Bg Bg g Bg gg What word describes the allele for green eyes? a. Heterozygous b. Dominant c. Recessive d. Homozygous i. Recessive alleles are represented by lower case letters 5) What is the possibility that the offspring produces will have brown eyes? a. 100% b. 25% c. 75% d. 50% 6) What are groups of cells that perform the same function? a. Molecules b. Organs c. Plastids d. Tissues 7) When does the nuclear division of somatic cells take place during cellular respiration? a. Mitosis b. Interphase c. Meiosis d. Cytokinesis i. Nuclear division of somatic cells takes place during mitosis 8) Which group of major parts and organs make up the immune system? a. Lymphatic system, spleen, tonsils, thymus, and bone marrow b. Nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm c. Brain, spinal cord, and nerve cells d. Heart, veins, arteries, and capillaries 9) The rate of a chemical reaction depends on all of the following except a. Surface area b. Temperature c. Presence of catalysts d. Amount of mass lost 10) Which of the answer choices provided best defines the following statement? For a given mass and constant temperature, an inverse relationship exists between the volume and pressure of a gas? a. Boyle’s Law b. Ideal Gas Law c. Charles’ Law d. Stefan-Boltzmann Law 11) Prokaryotic and eukaryotic cells are similar in having which of the following? a. Integral membrane proteins in the plasma membrane b. Presence of a nucleus c. Membrane-bound organelles d. Protein-studded DNA 12) What is the role of ribosomes? a. Waste removal b. Make proteins c. Storage d. Transport 13) Which of the following is an example of a tissue? a. Mammal b. Xylem c. Liver d. Hamstring 14) The adrenal glands are part of the a. Emphatic system b. Respiratory system c. Endocrine system d. Immune system 15) Which of the following is exchanged between two or more atoms that undergo ionic bonding? a. Transitory electrons b. Electrical charges c. Neutrons d. Valence electrons 16) Blood is prevented from changing direction in the veins by a. Pressure generated from the heart b. Valves c. Vacuum generated from the heart d. Squeezing at the vein by nearby skeletal muscle 17) The liquid part of the blood is called a. Plasma b. Blood fluid c. Serous fluid d. Serum 18) Which of the following is true regarding the periodic table? a. Groups have the same number of valence electrons and similar chemical properties b. Periods are vertical columns c. Atomic radius increases as you go from left to right d. Alkali metals are frequently found by themselves in nature 19) Blood cells that are responsible for transportation of oxygen are called a. Leukocytes b. Thrombocytes c. Erythrocytes d. Plasma cells 20) What is another name for the Adam’s Apple? a. Vocal box b. Thyroid cartilage c. Cricoid cartilage d. Hyoid bone 21) When exhaling, the diaphragm a. Relaxes b. Contracts c. Moves down and in d. Stays in the same position 22) A double bond between two atoms, for example the double bond between oxygen in O2 has how many electrons? a. 2 b. 4 c. 6 d. 8 23) What is the anterior bone of the lower leg? a. Ulna b. Fibula c. Tibia d. Radius 24) Assuming every variable unmentioned in the Ideal Gas Law remains constant, which is true? a. As the temperature increases, the pressure of a gas must decrease b. As the number of molecules in a gas increases, the temperature must increase c. As volume increases, the number of molecules must increase d. As pressure increases, volume must increase 25) The humerus and ulna form the a. Shoulder joint b. Elbow joint c. Wrist joint d. Knee joint 26) The patella is also called the a. Breastbone b. Kneecap c. Finger bone d. Funny bone 27) The bone that is stationary during movement is called the a. Insertion b. Agonist c. Origin d. Antagonist 28) Which of the following is the process that produces a liquid fro a gas? a. Vaporization b. Condensation c. Sublimation d. Denitrification 29) What is the primary function of the quadriceps muscle? a. Extend the knee joint b. Flex the knee joint c. Extend the hip joint d. Flew the hip joint 30) Which part of the brain is responsible for higher brain functions? a. The pons b. The cerebral cortex c. The cerebellar cortex d. Medulla 31) How many thoracic spinal nerves are there in the human body? a. 8 b. 9 c. 12 d. 14 32) Which of the following is not a specialized sense? a. Touch b. Balance c. Sight d. Hearing 33) In which region of the small intestine are most of the nutrients absorbed? a. The jejunum b. The ileum c. The duodenum d. The colon 34) Which type of nutrient is broken down by trypsin? a. Protein b. Fat c. Sugar d. Carbohydrates 35) Chemical bonding – a. Uses electrons that are closest to the nucleus of the atoms bonding b. Always uses electrons from only of the atoms involved c. Uses all the electrons in all atoms involved d. Uses the valence electrons of all the atoms involved 36) Which of the following would have the most dramatic effect in changing the reaction rate? a. Decreasing the temperature by two-fold b. Increasing the pressure by two-fold c. Decreasing the activation energy by three-fold d. Decreasing the concentration of reactants by two-fold 37) Group one in the periodic table has valence electrons and is reactive than Group two. a. Zero; more b. Zero; less c. One; less d. One; more 38) Enzymes are created from amino acid chains. As such, what might prevent the action of an enzyme? a. A pH close to 7 b. A high temperature c. The lack of hydrogen ions in solution d. A lack of ATP in the cell 39) If a scientists want to determine the rate at which an enzyme works, what could he or she measure? a. The rate at which the enzyme is degraded b. The rate at which the product disappears c. The rate at which the reactants disappear d. The rate at which the products appears 40) According to the graph below, which is the most effective enzyme? a. A b. B c. C d. D 41) What is true of elements found in the same group (column) in the Periodic Table? a. They have the same atomic mass b. They have the same level of reactivity c. They have the same number of protons d. They have the same number of valence electrons 42) Compounds that are acidic will be able to lower the pH of a solution by doing which of the following? a. Accepting H+ ions b. Releasing H+ ions c. Binding with acidic species in solution d. Reducing oxidation species in solution 4