General Biology 2nd Quarterly Mastery Test PDF

**GENERAL BIOLOGY 2^ND^ QUARTERLYMASTERY TEST** **Multiple Choice** ***Directions:*** Read each of the following questions carefully. Write only the letter of your choice that corresponds to the best answer. NO ERASURES. +-----------------------------------------------------------------------+ |...

**GENERAL BIOLOGY 2^ND^ QUARTERLYMASTERY TEST** **Multiple Choice** ***Directions:*** Read each of the following questions carefully. Write only the letter of your choice that corresponds to the best answer. NO ERASURES. +-----------------------------------------------------------------------+ | 50. High energy phosphate bonds are present in which of the following | | molecules? | | | | | | | | a. NADH b. ATP c. NADPH d. FADH~2~ | +=======================================================================+ | 1. Which of the following stage in the cellular respiration yields | | the most number of ATP? | | | | | | | | a. glycolysis b. Kreb's cycle c. electron transport chain d. Calvin | | Cycle | +-----------------------------------------------------------------------+ | 2. Which of the following event does NOT take place in the | | light-dependent reaction of photosynthesis? | | | | | | | | a. electron transport chain b. photolysis c. carbon fixation | +-----------------------------------------------------------------------+ | 3. What are the three parts of an ATP molecule? | | | | | | | | a. adenine, thylakoid, stroma c.adenine, phosphate group, ribose | | | | b. stroma, grana, chlorophyll d. NADH, NADPH, FADH2 | +-----------------------------------------------------------------------+ | 4. How does an ATP molecule releases its stored energy making it | | usable for the cell? | | | | | | | | a. ATP is exposed to sunlight c. a phosphate group is added | | | | b. adenine bonds to ribose d. a phosphate group is removed | +-----------------------------------------------------------------------+ | 5. ATP carries a readily usable form of energy. How does it work in | | humans? | | | | | | | | 1. active transport 2. cell division 3. muscle contraction 4. | | substance diffusion | | | | | | | | a. 1 and 2 only b. 2 and 3 only c. 1,2 and 4 only d. 1, 2, and 3 | | only | +-----------------------------------------------------------------------+ | 6. What event commends the beginning of photosynthesis? | | | | | | | | a. pigments in photosystem I absorb light | | | | b. pigments in photosystem II absorb light | | | | c. high energy electrons move through electron transport chain | | | | d. ATP synthase allows hydrogen ions move through the thylakoid | | membrane | +-----------------------------------------------------------------------+ | 7. Which of the following statements about photosynthesis is not | | correct? | | | | | | | | a. all stages of photosynthesis require light. | | | | b. there is oxygen released in the process. | | | | c. photosynthesis occur in the chloroplasts. | | | | d. carbon dioxide and water is converted into organic compound. | +-----------------------------------------------------------------------+ | 8. Suppose Joash John, a profound botanist, repeated his experiments | | using many kinds of plants and that when different kinds of | | plants were placed under the jar, the candle remain lighted for | | different periods of time. What would be the logical conclusion | | for these experiment? | | | | | | | | a. different plants require different amount of water. | | | | b. different plants releases different amount of carbon dioxide | | | | c. different plants require different amount of light | | | | d. different plants releases different amount of oxygen. | +-----------------------------------------------------------------------+ | 9. Which of the following is not a step in the light-dependent | | reaction? | | | | | | | | a. high energy electrons move through electron transport chain. | | | | b. ATP and NADPH are used to produce high energy-sugars. | | | | c. pigments in photosystem II absorb light. | | | | d. liberation of oxygen through photolysis. | +-----------------------------------------------------------------------+ | 10. Which region of the visible spectrum has the greatest wavelength | | and is mostly absorbed by chlorophyll? | | | | | | | | a. red b. violet c. green d. yellow | +-----------------------------------------------------------------------+ | 11. Which of the following statements about chlorophyll is correct? | | | | | | | | I. It is dominantly green in color | | | | II. It is consumed during photosynthesis | | | | III. It absorbs light energy | | | | | | | | a. I and II only b. I and III only c. II and III only d. I, II and | | III | +-----------------------------------------------------------------------+ | 12. Why do most plants appear green? | | | | | | | | a. chlorophyll absorbs green light | | | | b. chlorophyll reflects red light | | | | c. chlorophyl reflects green light | | | | d. chlorophyll absorbs yellow light | +-----------------------------------------------------------------------+ | 13. Which of the following statements best describe the role of | | chlorophyll in photosynthesis? | | | | | | | | a. special types of chlorophyll is called the reaction centers | | | | b. facilitates in the splitting of water molecule | | | | c. absorbs photons to excite the electron | | | | d. helps in the production of ATP | +-----------------------------------------------------------------------+ | 14. Which pathway represents the flow of electrons during | | photosynthesis? | | | | | | | | a. Photosystem II NADP photosystem II | | | | b. Photosystem II Photosystem INADP | | | | c. H20 Photosystem I Photosystem II | | | | d. NADPPhotosystem II Photosystem I | +-----------------------------------------------------------------------+ | 15. Which one of the following is a product of both cyclic and | | non-cyclic electron pathway? | | | | | | | | a. ATP b. NADPH c. glucose d. H2O | +-----------------------------------------------------------------------+ | 16. What is the role of electron transport chain in the light | | dependent reaction of photosynthesis? | | | | | | | | a. production of carbon dioxide and water molecules | | | | b. production of NADPH | | | | c. production of oxygen molecules | | | | d. production of glucose molecules | +-----------------------------------------------------------------------+ | 17. In non- cyclic photophosphorylation, what is the ultimate | | acceptor of electrons that have been produced from the splitting | | of water? | | | | | | | | a. plastocyaninb. cytochrome complex c. NADP+ reductase d. | | photosystem I | +-----------------------------------------------------------------------+ | 18. In Calvin cycle, reducing six molecules of carbon dioxide to | | glucose and 6 RUBP, how many molecules of ATP and NADPH are | | required? | | | | | | | | a. 6 ATP and 6 NADPH c. 12 ATP and 12 NADPH | | | | b. 18 ATP and 12 NADPH d. 18 NADPH and 12 ATP | +-----------------------------------------------------------------------+ | 19. What is the correct sequence that takes place in the Calvin | | cycle? | | | | | | | | I. Glucose is formed from two PGAL molecules | | | | II. Carbon dioxide enter the plants and combines with RUBP | | | | III. Formation of PGA or phosphoglyceric acid | | | | IV. Reduction of PGA in to PGAL | | | | | | | | a. II-III- IV- I b. II-IV-III- I c. I-II-III-IV d. II-III-I- IV | +-----------------------------------------------------------------------+ | 20. If carbon dioxide is completely removed from a plant's | | environment, what would you expect to happen to the plant's | | production of high-energy sugars? | | | | | | | | a. more sugars will be produced | | | | b. no sugars will be produced | | | | c. the same number of sugar will be produced without carbon dioxide | | | | d. carbon dioxide does not affect the production of sugars in | | plants. | +-----------------------------------------------------------------------+ | 21. How does the Calvin cycle different from light- dependent | | reactions of photosynthesis? | | | | | | | | a. it takes place in the chloroplasts | | | | b. it requires light | | | | c. it happens in the thylakoid | | | | d. it takes place in the stroma | +-----------------------------------------------------------------------+ | 22. Which of the following overall equations represents aerobic | | cellular respiration? | | | | | | | | a. Glucose2 pyruvate + 2 ATP | | | | b. Glucose + 6 Oxygen 6 CO2 + 6 H2O +energy | | | | c. 6 CO2 + 6 H2O +energy Glucose + 6 Oxygen | | | | d. Glucose 2 lactic acid + 2 ATP | +-----------------------------------------------------------------------+ | 23. Which of the following is a common feature of both aerobic and | | anaerobic respiration? | | | | | | | | a. Electron transport chain c. glycolysis | | | | b. Kreb's cycle d. fermentation | +-----------------------------------------------------------------------+ | 24. Where does glycolysis take place? | | | | | | | | a. cell cytoplasm c. mitochondrial matrix | | | | b. inner mitochondrial membrane d. outer mitochondrial membrane | +-----------------------------------------------------------------------+ | 25. Which of the following is the correct sequence of events in | | cellular respiration? | | | | | | | | a. Glycolysis fermentationKreb's Cycle | | | | b. Glycolysiselectron transport chainKreb's cycle | | | | c. GlycolysisKreb's cycle fermentation | | | | d. Glycolysis Kreb's cycle electron transport chain | +-----------------------------------------------------------------------+ | 26. Arrange the correct order of events that take place in | | glycolysis. | | | | | | | | I. production of 2 pyruvic acid | | | | II. phosphorylation of glucose and become glucose-6-phosphate | | | | III. splitting of fructose1-6-phospate in to two PGAL molecules. | | | | IV. removal of water from phosphoglyceric acid | | | | | | | | a. II-I-III-IV b. II-III-IV-I c. II-I-IV-III d. II-III-I-IV | +-----------------------------------------------------------------------+ | 27. In the presence of oxygen, all cells synthesize ATP through the | | process of glycolysis. What process is involve in metabolizing | | pyruvate if oxygen is not present? | | | | | | | | a. fermentation b. Kreb's cycle c. aerobic respiration d. electron | | transport chain | +-----------------------------------------------------------------------+ | 28. Which of the following enzyme is not involved in the Kreb's | | cycle? | | | | | | | | a. citrate synthase b. dehydrogenase c. hexokinase d. aconitase | +-----------------------------------------------------------------------+ | 29. How do glycolysis is related to Kreb's cycle and electron | | transport chain? | | | | | | | | a. glycolysis, Kreb's cycle and electron transport chain all happen | | at the same time | | | | b. Kreb's cycle and electron transport cannot happen without | | glycolysis. | | | | c. electron transport chain can take place anytime during cellular | | respiration | | | | d. the product of Kreb's cycle is needed during glycolysis. | +-----------------------------------------------------------------------+ | 30. How does strenuous activity such as running too fast affect the | | rate of cellular respiration? | | | | | | | | a. more water are produce in the form of sweat | | | | b. body produces more carbon dioxide | | | | c. shortage of oxygen supply | | | | d. all of the above | +-----------------------------------------------------------------------+ | 31. What is produced when the electrons leave the electron transport | | chain in cellular respiration and bind to the final electron | | acceptor for the chain? | | | | | | | | a. H2O b. O2 c. CO2 d. CO | +-----------------------------------------------------------------------+ | 32. During Kreb's cycle, what would be the resulting product from the | | oxidation of a single pyruvate molecule? | | | | | | | | a. 6 NADH, 2 FADH~2~, 2 ATP, 4 CO2 | | | | b. 3 NADH, 1 FADH~2~, 1 ATP, 4 CO2 | | | | c. 3 NADH, 2 FADH~2~, 1 ATP, 2 CO2 | | | | d. 3 NADH, 1 FADH~2~, 1 ATP, 2 CO2 | +-----------------------------------------------------------------------+ | 33. What is the correct order of the transformation of compounds | | during the Kreb's cycle? | | | | | | | | a. citratealpha-ketoglutaratesuccinatemalate | | | | b. citratesuccinatealpha-ketoglutaratemalate | | | | c. citratealpha-ketoglutaratemalatesuccinate | | | | d. citratesuccinatemalatealpha-ketoglutarate | +-----------------------------------------------------------------------+ | | +-----------------------------------------------------------------------+ | 34. How many turns of the Kreb's cycle is able to accomplish using | | three(3) molecules of glucose (C~6~H~12~O~6~)? | | | | | | | | a. two times b. four times c. six times d. one time | +-----------------------------------------------------------------------+ | 35. A football player secretes more sweat than its normal body | | conditions. What stage of cellular respiration is the primary | | responsible for this? | | | | | | | | a. glycolysis b. Kreb's cycle c. electron transport chain d. | | fermentation | +-----------------------------------------------------------------------+ | 36. How many ATP are produced from one molecule of glucose during the | | electron transport chain only? | | | | | | | | a. 32 b. 34 c. 36 d. 38 | +-----------------------------------------------------------------------+ | 37. If two molecules of pyruvate are supplied to an aerobic | | eukaryotic cell in place of a glucose molecule, the net output of | | ATP after complete metabolism would be: | | | | | | | | a. 32 b. 34 c. 36 d. 38 | +-----------------------------------------------------------------------+ | 38. Why can the consumption of oxygen indicate the rate of cellular | | respiration? | | | | | | | | a. oxygen has direct relationship with the rate of cellular | | respiration | | | | b. ATP production requires more oxygen | | | | c. both a and b | | | | d. none of the above | +-----------------------------------------------------------------------+ | 39. With the presence of oxygen within a eukaryotic cell, what is the | | fate of the two pyruvate molecules produced by glycolysis? | | | | | | | | a. enter the electron transport chain | | | | b. travel to the mitochondrion to take part in the Krebs cycle | | | | c. remain in the cytosol to drive the synthesis of ATP | | | | d. take part in the fermentation | +-----------------------------------------------------------------------+ | 40. Which step of cellular respiration will generate ATP with or | | without oxygen? | | | | | | | | a. Glycolysis c. electron transport chain | | | | b. Kreb's cycle d. lactic acid fermentation | +-----------------------------------------------------------------------+ | 41. What is going to happen in the electron transport chain in the | | absence of oxygen? | | | | | | | | a. will only produce water as final product | | | | b. will produce more molecules of ATP | | | | c. will produce carbon dioxide as a final product | | | | d. will not function, the cell will undergo fermentation | +-----------------------------------------------------------------------+ | 42. During cellular respiration, what stages where most ATP are | | generated? | | | | | | | | a. glycolysis | | | | b. Krebs Cycle | | | | c. electron transport chain | | | | d. fermentation | +-----------------------------------------------------------------------+ | 43. In glycolysis, how many ATP are generated during the harvesting | | stage? | | | | | | | | a. 2 b. 4 c. 32 d. 36 | +-----------------------------------------------------------------------+ | 44. What is the primary use of energy found in glucose during | | cellular respiration? | | | | | | | | a. use to manufacture another glucose | | | | b. makes carbon dioxide | | | | c. is used to make ATP | | | | d. helps in releasing carbon dioxide | +-----------------------------------------------------------------------+ | 45. Which of the following processes consume energy from ATP? | | | | | | | | I. breakdown of glucose into two pyruvic acid | | | | II. regeneration of RUBP in Calvin cycle | | | | III. transformation of malate into oxaloacetate in Krebs cycle | | | | | | | | a. I only b. I and II only c. I and III only d. all statements are | | correct | +-----------------------------------------------------------------------+ | 46. Which of the following correctly shows the process of anaerobic | | respiration used in different industrial processes? | | | | **making bread making yoghurt making beer** | | | | | | | | a. ethanol lactic acid carbon dioxide | | | | b. carbon dioxide ethanol lactic acid | | | | c. lactic acid carbon dioxide ethanol | | | | d. carbon dioxide lactic acid ethanol | +-----------------------------------------------------------------------+ | 47. How can knowledge of fermentation explain the origin of muscle | | cramps and pains after intense physical exercise? | | | | | | | | a. cramps and fatigue are due to lactic acid in the muscles. | | | | b. intense physical excercises causes oxygen scarcity in the muscle | | tissue. | | | | c. intense use of muscle require too much energy in the form of ATP. | | | | d. all of the above | +-----------------------------------------------------------------------+ | 48. Why alcohol is not produced by the human muscle cell? | | | | | | | | a. it is extremely large c. it is produce with carbon dioxide | | | | b. is highly toxic d. requires more ATP to produce than lactic acid | +-----------------------------------------------------------------------+ | 49. Yeast undergo fermentation in the production of bread and | | pastries. What is the principle behind this? | | | | | | | | a. the carbon dioxide causes the dough to rise | | | | b. the ATP causes the dough to rise | | | | c. the water vapor causes the dough to rise | | | | d. the oxygen causes the dough to rise | +-----------------------------------------------------------------------+ | END OF TEST | +-----------------------------------------------------------------------+