12 Jun What structural feature of a leaf allows a leaf to obtain
Question
1. What structural feature of a leaf allows a leaf to obtain carbon dioxide from the air?
a. stomatab. chloroplastc. cuticled. epidermise. mesophyll
2. During the process of photosynthesis, solar energy is converted into
a. thermal energy. b. mechanical energy. c. heat energy. d. chemical energy.
e. nuclear energy.
3. The cellular organelle of eukaryotic organisms that is responsible for photosynthetic activity is the
a. nucleus. b. endoplasmic reticulum. c. chloroplast. d. ribosome. e. mitochondrion.
4. Specifically, molecules of chlorophyll are located in membrane sacs called
a. stroma. b. cristae. c. vesicles. d. thylakoids. e. vacuoles.
5. C3 plants are adapted to ________ conditions, while C4 plants are adapted to ________ environmental conditions.
a. high light; low light b. dry; wet c. temperate; cool and rainy d. moist; hot and dry e. drought; rainy
6. How many molecules of carbon dioxide are “fixed” (incorporated) to form one molecule of glucose?
a. 9 b. 2 c. 3 d. 6 e. 12
7. Which sequence accurately reflects the flow of electrons in photosynthesis?
a. Water-splitting Photosystem ? NADPH-producing Photosystem ? NADP ? H2O
b. -H2O ? NADPH-Producing Photosystem ? Water-splitting Photosystem? NADP
c. NADPH-producing Photosystem ? Water-splitting Photosystem ? NADP ? H2O
d. Water-splitting Photosystem? NADPH-producing Photosystem ? H2O ? NADP e. H2O ? Water-splitting Photosystem ? NADPH-producing Photosystem? NADP
8. In the reduction of CO2 during the Calvin Cycle, which of the following initially combines with CO2?
a. G3P (glyceraldehyde 3 phosphate) b. NADPH c. the five carbon RuBP d. water e. ATP
9. In the Calvin cycle, where does the carbon come from to form glucose?
a. from water b. from chlorophyll c. from ATP and NADPH d. from atmospheric CO2 e. from enzymes
10. The products of photosynthesis are
a. glucose and oxygen. b. carbon dioxide, chlorophyll, and oxygen. c. carbon dioxide, water, and energy. d. glucose and water. e. glucose and carbon dioxide.
11. Light-dependent photosynthetic reactions produce
a. Glucose, ATP, O2 b. ATP, NADPH, H2O c. ATP, NADPH, CO2 d. Glucose, ATP, CO2 e. ATP, NADPH, O2
12. The oxygen released in photosynthesis comes from
a. carbon dioxide. b. glucose. c. ribulose bisphosphate. d. water. e. atmospheric oxygen.
13. Chlorophyll reflects (does not absorb) which color of visible light?
Select one: a. red b. yellow c. orange d. green e. blue
14. Visible light is required during the Calvin Cycle. a. True b. False
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