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Jeopardy! Science Skills Cells Cell respiration/ photosynthesis Ecology Genetics DNA/RNA 200 200 200 200 200 200 400 400 400 400 400 400 600 600 600 600 600 600 800 800 800 800 800 800 1000 1000 1000 1000 1000 1000 1300 1300 1300 1300 1300 1300 1600 1600 1600 1600 1600 1600 2000 2000 2000 2000 2000 2000 200 Rachel is dissecting a shark. Her dissecting scalpel is dull and it is difficult for her to dissect the shark while cutting away from her body. Which of the following is the best way for Rachel to proceed in this situation? A. Hold the scalpel so that the cuts she makes point towards her body. B. Stop dissecting the shark and observe classmates as they dissect sharks. C. Return the scalpel to the instructor and ask for a new one. D. Press as hard as she can with the scalpel until the shark is completely dissected. 400 Which is the correct way to hold a test tube while heating its contents? 1. pointing straight up 2. pointing horizontally 3. pointing away from yourself and others 4. pointing straight at yourself 600 A. B. C. D. Mr. Smith thinks that a special juice will increase the productivity of his workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they’re supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is given ordinary juice. After an hour, Mr. Smith counts how many stacks of papers each group has made. Group A made 450 stacks and Group B made 455 stacks. Group A is the control group Experimental group Independent variable Dependent variable 800 Larissa hypothesized that plants need light to grow. To test this, she placed 15 plants in a dark closet for 3 months. The plants were given equal amounts of water three times each week. After 3 months, all of the plants were dead. Which of the following best explains why her experiment was flawed? A. Larissa did not include a control group in her experiment B. Larissa did not water the plants every day C. Larissa should not have given the plants water D. Larissa did not use enough plants in the experiment 1000 Which of the following are the building blocks of protein? Fatty acids B. Amino acids C. Nucleic acids D. Bases A. 1300 1. 2. 3. 4. The following are characteristics of all living things EXCEPT They grow and develop They require energy They undergo photosynthesis They have cells 1600 1. 2. 3. 4. When you are cold, your body shivers in an attempt to maintain Metabolism Homeostasis Respiration Hydration 2000 What does the year represent on the above graph? A.Independent variable B.Dependent variable C.Legend D.Tile You BETTER STUDY!!!!! A+ 200 A tissue is composed of a group of A. similar cells B. related organelles C. organ systems D. related organs. 400 Which organelle has the most control over a cell’s functions? Ribosome B. Nucleus C. Cell membrane D. Vacuole A. 600 Which of the following cellular processes requires energy? F. Osmosis G. Diffusion H. Active transport J. Facilitated diffusion 800 Which of the following processes does the picture above illustrate? A. Osmosis B. Diffusion C. Facilitated diffusion D. Active transport 1000 Which of the following organelles occur in plant cells, but not in animal cells? F. Nucleus and cell wall G. Cell wall and chromosomes H. Cell membrane and centrioles J. Cell wall and chloroplasts 1300 Which of the above pictures shows a cell after it is placed in a hypotonic solution? A B C D. None of the above 1600 F. G. H. J. Diffusion occurs because molecules are in constant motion. Put the pictures above in the correct sequence to show the diffusion of the molecules. W, X, Z, Y Y, Z, X, W W, Y, X, Z W, Z, Y, X 2000 If a freshwater fish were placed in a bucket of saltwater, which of the following would you expect to happen to the fish’s cells? The fish’s cells would burst. B. The fish’s cells would remain the same. C. The fish’s cells would shrink. D. None of the above A. Help Help Help! A+ 200 The graph above shows the results of an experiment in which plant cells were placed in sucrose (sugar) solutions of varying concentrations. The rate at which the cells absorbed sucrose from the solution was then measured for the different concentrations. Which of the following statements is a valid interpretation of the data? F. The rate of sucrose uptake increases at a constant rate from 0 to 30 mmol/L. G. The rate of sucrose uptake decreases at a constant rate from 0 to 30 mmol/L. H. The rate of sucrose uptake is less at 25 mmol/L than at 5 mmol/L. J. The rate of sucrose uptake is constant between 30 and 40 mmol/L. 400 Plants obtain the carbon dioxide needed for photosynthesis from: A. soil. B. the atmosphere C. water. D. decomposition. 600 The energy that drives photosynthesis is : F. chemical energy from CO2 G. light energy from the sun. H. nuclear energy from O2 atoms. J. thermal energy from the sun. 800 Which of the following accurately describes the relationship between photosynthesis and cellular respiration? A. The products of each process provide the reactants needed for the other process. B. The products for both reactions are the same. C. The reactants for one process are the same as the reactants for the other. D. There is no relationship between photosynthesis and cellular respiration. 1000 6O2 + C6H12O6 6CO2 + 6H2O + Energy The chemical reaction above shows the process of F. G. H. J. fermentation. photosynthesis. cellular respiration. glycolysis. 1300 Which of the following are the products for photosynthesis? A. Carbon dioxide, Water, Energy B. Oxygen and water C. Energy, oxygen and glucose D. Oxygen and glucose 1600 F. G. H. J. In which organelle of the cell do the Krebs cycle and the electron transport chain of cellular respiration occur? Chloroplasts Nucleus Cytoplasm Mitochondria 2000 One cause of muscle soreness is F. G. H. J. alcoholic fermentation. glycolysis. the Krebs cycle. lactic acid fermentation. No, No, No! A+ 200 F. G. H. J. An organism that uses energy to produce its own food supply is called a(n) heterotroph consumer autotroph detritivore 400 A. B. C. D. The algae at the beginning of the food chain below are : consumers. decomposers. heterotrophs. producers. 600 Which of the following eat both producers and consumers? F. G. H. J. herbivore omnivore chemoautotroph carnivore 800 The branch of biology that deals with interactions among organisms and between organisms and their environment is called A. B. C. D. biology. environmental systems. ecology. symbiosis. 1000 Which of the following is the original source of almost all energy in most ecosystems? F. G. H. J. Sunlight Water Plants Oxygen The symbiotic relationship between a flower and the insect that feeds on its’ nectar is an example of A. commensalism because the insect gets food from the flower, but the flower is neither harmed nor helped by the insect. B. parasitism because the insect lives off the nectar from the flower and harms it. C. mututalism because the flower provides the insect with food and the insect pollinates the flower D. predation because the insect hunts the flower to feed on it. 1300 1600 Each of the following is an abiotic factor in the environment EXCEPT: F. G. H. J. plant life. soil type. rainfall. temperature. 2000 Which of the following is a complete food chain as it is depicted in the food web above? F. mouse shrew hawk G. tree grasshopper frog H. carrots rabbit snake hawk J. deer wolf THINK GPA…..G…P…..(A)……! A+ 200 F. G. H. J. Gametes are produced by the process of mitosis. crossing-over replication. meiosis. The chemical factors that determine traits are called A.alleles. B.traits. C.genes. D.characters. 400 600 If an organism’s diploid number is 24, its haploid number is F. 12. G. 24. H. 48. J. 6. 800 Organisms that have two identical alleles for a particular trait are said to be A. hybrid. B. homozygous. C. heterozygous. D. dominant. 1000 Unlike mitosis, meiosis results in the formation of A. B. C. D. diploid cells. haploid cells. 2N daughter cells. body cells. 1300 T T TT Tt T TT Tt KEY: T = tall t = short In the Punnett square shown above, which of the following is true about the offspring resulting from the cross? t F. G. H. J. About half are expected to be short. All are expected to be short About half are expected to be tall. All are expected to be tall. 1600 A. B. C. D. The principle of dominance states that all alleles are dominant. all alleles are recessive. some alleles are dominant and others are recessive. alleles are neither dominant nor recessive. 2000 If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different phenotypes are their offspring expected to show? F. G. H. J. 2 4 8 16 TRY AGAIN, THANKS FOR PLAYING! A+ 200 During transcription, an RNA molecule is formed F. G. H. J. that is complementary to both strands of DNA. that is identical to part of a single strand of DNA. that is double-stranded. inside the nucleus. 400 A. B. C. D. During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases TCGAAC GATCCA AGCTTG GAUCCA 600 During transcription a DNA strand that has the bases CTAGGT produces a strand of RNA with the bases TCGAAC GATCCA AGCTTG GAUCCA F. G. H. J. 800 A. B. C. D. The figure above shows the structure of a(n) DNA molecule. amino acid. RNA molecule. protein. 1000 F. G. H. J. 3 6 9 12 How many codons are needed to make three amino acids? 1300 Genes contain instructions for assembling carbohydrates. proteins. purines. sugars. A. B. C. D. 1600 F. G. H. J. In a segment of DNA, 20% of the base pairs are adenine. What percentage of cytosine will you find in this segment? 20% 80% 40% 30% 2000 A. B. C. D. Using the codon wheel above, which of the following sequences of RNA bases is the code for the amino acid Leucine? CUC CCG AUC GCA Shame, Shame, Shame… A+