Multiple Choice
Questions for the link
"6) BIO Link:The Chemistry of Autumn Colors"
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1.
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What is the chemical formula for chlorophyll?
a. | C55H70MgN4O6 | c. | C40H36 | b. | Cx(H2O)y | d. | xCO2 |
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2.
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What conditions are needed for the production of chlorophyll?
a. | high humidity and warm temperatures | c. | sunlight and warm
temperatures | b. | high humidity and cool temperatures | d. | sunlight and high
humidity |
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3.
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Which of the following is not a pigment in plants?
a. | Carotene | c. | Chlorophyll | b. | Anthocyanin | d. | Chloroplast |
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4.
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Which pigment is responsible for the red color of an apple?
a. | Chlorophyll | c. | Anthocyanin | b. | Carotene | d. | none of the
above |
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5.
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Under what conditions will anthocyanins turn bright red?
a. | if the cell sap is acidic | c. | if the cell sap is
dilute | b. | if the cell sap is alkaline | d. | if the cell sap concentrated |
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6.
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What weather conditions will most likely produce the best array of fall
colors?
a. | cool, sunny days & cool, dry nights | c. | cool, sunny days & warm, humid
nights | b. | dry, sunny days & cool, dry nights | d. | hot, humid days & cool, humid
nights |
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Questions for link "7) BIO Link: Calvin
Cycle"
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7.
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What is substance is used as the starting point for the Calvin cycle?
a. | glucose | c. | pyruvate | b. | NADPH | d. | ATP |
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8.
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What is the final product of the Calvin Cycle?
a. | NADPH | c. | CO2 | b. | ATP | d. | C6H12O6 |
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9.
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The process of building organic molecules by adding
carbon onto a chain is called
a. | cellular respiration | c. | the Krebs Cycle | b. | carbon fixation | d. | fermentation |
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10.
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In the first step in the Calvin cycle,
a. | 3C5 to
bind with 3CO2 to produce six 3-carbon organic
molecules | c. | 6C5 to
bind with 6CO2 to produce six 3-carbon organic
molecules | b. | 6ATP and 6NADPH energizes the binding of a
C3 to make a glucose
molecule. | d. | 3ATP and 3NADPH energizes the binding of a C3 to make a glucose molecule. |
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11.
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How many glucose molecules are produced by each cycle of the Calvin
Cycle?
a. | 1 | c. | 6 | b. | 3 | d. | none of the
above |
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Questions for the link "8) BIO Link:
Cellular Respiration and Fermentation"
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12.
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Both fermentation and respiration start with
a. | pyruvic acid | c. | ATP | b. | fructose | d. | glycolysis |
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13.
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Where does glycolysis occur in a cell?
a. | in the cytoplasm | c. | in the chloroplasts | b. | in the mitochondria | d. | on the surface of the
ER |
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14.
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In fermentation, what is the net number of ATP molecules produced?
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15.
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All of the following can do lactic acid fermentation except
a. | algae | c. | fungi | b. | some bacteria | d. | muscle cells |
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16.
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What causes lactic acid fermentation in people?
a. | too much oxygen getting to the muscles | c. | consuming too many dairy
products | b. | oxygen doesn't get to the muscles fast enough | d. | not enough pyruvate molecules are being
produced |
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17.
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What are the two main "waste" products of alcoholic
fermentation?
a. | methanol and oxygen | c. | ethanol and carbon dioxide | b. | glucose and
water | d. | ethanol and
water |
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18.
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In prokaryotes, the net number of ATP molecules produced during cellular
respiration is
a. | 36 | c. | 40 | b. | 38 | d. | none of the
above |
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19.
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In eukaryotes, the pyruvic acid formed in glycolysis is sent to what cellular
structure for further processing?
a. | ER | c. | Golgi Apparatus | b. | mitochondria | d. | lysosomes |
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20.
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All of the following are steps in cellular respiration except
a. | electron transport | c. | Krebs cycle | b. | glycolysis | d. | fermentation |
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