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1 Which has specific markings for measurement and is used to accurately measure liquid volume? A. B. C. D. Test tube Beakers Ruler Graduated cylinders 2 The mass of an object divided by its volume, or stated another way, the amount of matter packed into a given space is it a. b. c. d. density volume mass weight 3 When trying to determine mass of a heavy object, use A. B. C. D. spring scale a tripod an analytical balance a triple beam balance 4 The ability to draw from previous knowledge and experience to make an explanation is A. B. C. D. a problem inductive reasoning a reasonable explanation processing 5 Karen wants to win a blue ribbon at the fair this year for the largest tomato plants. She would like to compare two plant foods on her tomato plants to see if they really make the plants grow larger. Karen needs to design an experiment to see which plant food works better. She has three of the same type of tomato plants and they all receive the same amount of sunlight, water and temperature. Karen adds plant food A to plant A, she adds plant food B to plant B, and she lets plant C grow without any plant food. She measures the growth of the plants every week. Plant C is considered which group? a. the experimental group c. the data group b. the variable group d. the control group 6 The scientific method is used as a guideline to conduct experiments to A. B. C. D. maintain objectivity make it harder to do experiments maintain subjectivity stifle creativity 7 The following four statements are headlines you read on various magazine covers while standing in the checkout line at the grocery store. Which one could be researched using scientific experimentation? A. “Diamond is more beautiful than ruby” B. “Metals are both helpful and harmful to the human body” C. “The earth was created in a miraculous event” D. “Poetry is the most artistic type of literature” 8 The cell theory states that: A. all living things are made of cells. B. All cells come from other living cells of the same kind. C. Cells are the basic unit of all living things. D. All of the above. 9 Cellular respiration releases what three products? A. oxygen, glucose, and energy B. carbon dioxide, water, and energy C. glucose, carbon dioxide, and oxygen D. oxygen, water, and glucose 10 Both plant and animal cells have a. Mitochondria for cellular respiration b. A cell wall for protection c. Centrioles used during mitosis d. Chloroplasts for photosynthesis 11 The A. B. C. D. mitochondrion of a cell has only one membrane has no membrane is circular is where cellular respiration occurs 12 The movement of substances into and out of a cell without the use of energy is called A. B. C. D. active transport passive transport exocytosis endocytosis 13 In order to be classified as living, an organism must have: A. a heart and lungs B. the ability to nourish itself, grow, and reproduce C. the ability to photosynthesize and to eliminate waste products D. a true nucleus and nuclear membrane 14 Two structures found in plant cells that are not found in animal cells are the A. B. C. D. mitochondria and ribosomes cell wall and plastids cell membrane and centrioles nucleolus and endoplasmic reticulum 15 When more water goes in through a cell membrane than out of it, the solution around the membrane is a. isotonic b. hypotonic c. permeable d. hypertonic 16 Complex carbohydrates break down into A. B. C. D. enzymes amino acids simple sugars ATP 17 Which proteins in the cell speed up chemical reactions? A. B. C. D. lipids DNA Enzymes Glucose 18 Which plant organelle is the site of photosynthesis? a. b. c. d. Chloroplast centriole cell wall mitochondria 19 The three things that plants must have to photosynthesize are: a. glucose, water, and oxygen b. water, carbon dioxide, and glucose c. oxygen, carbon dioxide, and sunlight d. water, carbon dioxide, and sunlight 20 The replication of DNA occurs a. During telophase b. during interphase c. during prophase of mitosis d. during prophase of meisois 21 The chemical energy supply for all living cells is contained in a molecule that, when broken down, releases the energy so that it may be used for activities such as muscle contractions, photosynthesis, and locomotion. The molecule that is a storehouse of energy is a.DNA b.RNA c. ATP d. ADP 22 In mice, brown hair is dominant to white. Cross a heterozygous female with a heterozygous male. The genotypic ration will yield a. 3:1 b. 1:2:1 c. 100% brown hair d. 100% white hair 23 Chromosomes line up on spindles in the center of a cell during a. b. c. d. anaphase telephase metaphase prophase 24 Mitosis a. b. c. d. generates daughter cell identical to the mother cell many reproductive cells diseased cells gametes 25 Meiosis a. b. c. d. is a type of cell division that leads to genetic mutation causes deformity is necessary for sexual reproduction causes alleles to deform 26 The molecule that transports the code of information from DNA to the ribosome is a. tRNA b. rRNA c. mRNA d. An amino acid 27 A mother homozygous dominant for the presence of freckles and father heterozygous for freckles have a child. What is the chance that the child will be homozygous recessive for freckles? a. 0% b. 25% c. 50% d. 75% 28 Mitosis occurs a. only in gamete cells b. in somatic cells c. only when an organism makes repairs to cells d. as part of active transport 29 Some forms if a gene or trait masks the expression of other forms. This statement summarizes the principal of a. b. c. d. segregation dominance independent assortment true breeders 30 The organelle of eukaryotic cells that contains the genetic information is the a. b. c. d. endoplasmic reticulum chloroplast nucleus cell membrane 31 Prokaryotic cells differ from eukaryotic cells in that a. prokaryotic cells are living and eukaryotic cells are non living b. Prokaryotic cells lack a true nucleus and membrane bound organelles c. Prokaryotic cells are much larger than eukaryotic cells d. prokaryotic cells require oxygen and eukaryotic cells do not 32 A cat’s phenotype can be determined by a. b. c. d. looking at the cat’s mother looking at the cat’s DNA looking at the cat’s father looking at the cat 33 A mutation in which a single base is added or deleted from DNA is called a. b. c. d. frame shift mutation point mutation translocation non disjunction 34 A child is diagnosed with a rare genetic disorder. Neither parent has the disease. How might the child have inherited the disorder? a. the disorder is dominant and was carried by a parent b. the disorder is recessive and carried by both parents c. the disorder is sex-linked and inherited only from the father d. the disorder could only occur as a mutation in the child since neither parent has the disease. 35 Many chromosome mutations results when chromosomes fail to separate properly during a. b. c. d. Mitosis Meiosis cross-over linkage 36 How are enzymes able to speed up biochemical reactions? A. They provide energy to the reactants B. They absorb energy from the products C. They lower the activation energy of the reaction D. They increase the number of available reactant particles 37 Which of the following is a biotic factor in an ecosystem? A. B. C. D. Sunlight Soil Water Bacteria 38 Which of the following is an example of commensalism between two organisms? A. Ants feed on the sugary fluid released by aphids that are feeding on plants, and the aphids are protected by the ants from other insects. B. A hummingbird feeds on the nectar of a certain species of flowering plant and, while doing so, spreads pollen from one flower to the next. C. A remora attaches itself to a shark without harming the shark and eats food scraps left by the shark. D. A fungus infects a potato plant and, over time, kills the plant and then feeds off the dead tissue. 39 After an extensive workout, athletes will often feel soreness due to a buildup of lactic acid in the muscle tissue that occurs when the body is deprived of adequate oxygen. What is this process called? A. Aerobic respiration B. Anaerobic respiration c. Photosynthesis d. Krebs Cycle 40 A new antibiotic developed to treat bronchitis has become widely prescribed by doctors to patients with lung infections. Over time, the number of patients seen with bronchitis declined. However, the number of patients with a rare form of the bacteria that causes the infection began to rise. Which of the following is MOST likely true about this strain of bacteria? A. The surviving strain has learned how to become resistant to the antibiotic B. He drug company that developed the antibiotic did not test it correctly C. There was genetic variability in the bacteria population before the antibiotic was used D. The bacteria got used to the antibiotic and have learned to live it 41 Which of the following kingdoms does not contain any unicellular organisms? A. B. C. D. Protista Bacteria Plantae Fungi 42 Which of the following represents how genetic information is transformed into a protein? A. B. C. D. DNA protein RNA Protein RNA DNA RNA protein DNA DNA RNA protein 43 What is one of the eventual consequences of natural selection? A. Removal of traits with negative effects on a species’ survival B. Addition of traits needed by an organism to survive C. Perfection of a species D. Removal of all mutations in the population 44 A volcanic eruption creates new land in the form of volcanic rock. Which type or organism would most likely be found to inhabit the area first? A. Chipmunks B. Moose c. Lichens d. Grasses 45 Similar organisms that can interbreed and produce fertile offspring in a natural environment make up a(n) A. B. C. D. Species Population Community Ecosystem