graphics_name,topic,id,question,choice1,choice2,choice3,choice4,solution None,Biology,1405,"BIOLOGY: Carbon can combine with many different elements but frequently combines with oxygen, hydrogen, and nitrogen to form organic molecules. Which statement best explains why carbon is able to form a large number of different molecules?",Carbon forms only ionic bonds. ,Carbon can form only ring structures. ,Carbon can form four covalent bonds. ,"Carbon forms small, simple structures. ",Carbon can form four covalent bonds. biology_1410,Biology,1410,BIOLOGY: Which statement describes the most likely difference in the way that organism 1 and organism 2 obtain energy?,Only organism 1 uses solar energy to make energy-rich compounds. ,Only organism 1 stores solar energy until it is needed for its life processes. ,Only organism 2 produces molecules for long-term energy storage. ,Only organism 2 transforms food energy into ATP during cellular respiration. ,Only organism 1 uses solar energy to make energy-rich compounds. None,Biology,1411,"BIOLOGY: A cell in the leaf of a green plant performs both photosynthesis and cellular respiration, often at the same time. Which statement best describes how these processes are related to each other?",Both processes produce carbon dioxide. ,Both processes require energy directly from the Sun. ,Products of one process are used as some of the reactants for the other process. ,Thermal energy from one process is used as the energy source for the other process. ,Products of one process are used as some of the reactants for the other process. None,Biology,1412,"BIOLOGY: A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation?",The reaction produced water. ,The reaction consumed water. ,The reaction caused an output of energy. ,The reaction required an input of energy. ,The reaction required an input of energy. None,Biology,1416,BIOLOGY: Which statement best describes the outcomes of both meiosis and mitosis?,Cell division results in daughter cells that contain DNA. ,Each daughter cell has two complete sets of chromosomes. ,"Within a cell, two chromosomes pair up and exchange segments of genetic material. ",Genetically identical daughter cells are produced that can function as body cells or sex cells. ,Cell division results in daughter cells that contain DNA. None,Biology,1423,BIOLOGY: Convergent evolution is best exemplified by which of the following?,The pectoral fins of fish and the front legs of cats ,The presence of a notochord in all chordate embryos ,The wings of an insect and the wings of a bird ,The leaves of an oak tree and the spines of a cactus ,The wings of an insect and the wings of a bird None,Biology,1427,BIOLOGY: Which of the following is a property that is shared by Zika fever‚ West Nile fever‚ and malaria?,The diseases are caused by viruses. ,The diseases occur only in individuals who visit or live in tropical countries. ,The pathogens that cause the diseases have developed resistance to antibiotics. ,The pathogens that cause the diseases are primarily transmitted by the bite of an infected mosquito. ,The pathogens that cause the diseases are primarily transmitted by the bite of an infected mosquito. None,Biology,1429,BIOLOGY: Which of the following is true?,"Cells in multicellular organisms come from other cells, but cells of unicellular organisms do not.",Cells come from other cells through cell division.,Cells form spontaneously when the right elements are present.,None,Cells come from other cells through cell division. biology_1431,Biology,1431,"BIOLOGY: In the cell diagram, which arrow is pointing to a chloroplast?",A,B,C,"This is an animal cell, it does not undertake photosynthesis.",A biology_1433,Biology,1433,BIOLOGY: Which arrow is pointing to a cell part that breaks down sugars to provide energy for the cell?,A,B,C,This is a plant cell that relies on photosynthesis and does not break down sugars.,A None,Biology,1434,BIOLOGY: Through which process is pollen transferred from male to female flower parts?,fertilization,pollination,seed formation,cross-pollination,pollination None,Biology,1439,BIOLOGY: The calcium concentration in the root cells of a plant is higher than in the surrounding soil. What process would allow calcium to continue to enter the root cells?,Protein synthesis,Passive transport,Active transport,Cellular respiration,Active transport biology_1441,Biology,1441,BIOLOGY: Provided are two sequences of a segment of DNA. Which type of mutation has occurred?,Insertion,Deletion,Substitution,Nonsense,Substitution biology_1443,Biology,1443,BIOLOGY: The scale shows the pH levels of various liquids. Which of the following substances is a strong base?,soda,bleach,blood,lemon juice,bleach None,Biology,1446,BIOLOGY: A carefully placed paperclip can float on top of water without sinking. Which property of water allows the paperclip to float?,Capillary action,pH,High specific heat,Surface tension,Surface tension None,Biology,1448,"BIOLOGY: A scientist is testing the effects of the active ingredient in a new drug, known as Cure-All. Which of the following would best serve as a control group in determining the active ingredient's effectiveness?",A group of individuals treated with a placebo drug,A group of individuals treated with both Cure-All and an over-the-counter medication,A group of individuals treated twice a day with Cure-All,A group of individuals treated once a day with Cure-All,A group of individuals treated with a placebo drug None,Biology,1453,"BIOLOGY: The atomic masses of carbon and oxygen are 12 and 16, respectively. What is the approximate percentage by mass of oxygen in carbon dioxide, CO2?",25%,50%,66%,75%,75% None,Biology,1455,BIOLOGY: Which terms identify two different categories of compounds?,covalent and molecular,covalent and empirical,ionic and molecular,ionic and empirical ,ionic and molecular biology_1456,Biology,1456,BIOLOGY: What is the molecular formula for this compound?,CH,CH2,CH3,C3H6,C3H6 biology_1457,Biology,1457,"BIOLOGY: Given the table representing the subatomic particles in four different atoms, which atom has a mass of 12 u?",A,E,G,J,E