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1) For most plants, the rate of photosynthesis does not increase at a. constant temperature b. lower temperature c. higher temperatures d. doesn't matter temperature
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2) The fall in the rate of photosynthesis takes place when the temperature rises above a. 40°C b. 30°C c. 20°C d. 25°C
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3) The waste products of the process of respiration are a. oxygen + CO2 b. carbon dioxide & water c. food + oxygen d. none of them
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4) In photosynthesis, sugar is made by using a. energy b. carbon dioxide c. oxygen d. sun light
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5) The veins of leaves contain vascular bundles known as a. closed stoma b. open stoma c. phylum d. xylem
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6) Photosynthesis decreases the concentration of carbon dioxide in air and other harmful wastes, this increases the purification of respiratory disease for a. none of them b. living beings c. only plants d. only animals
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7) Which of these is true about photosynthesis? a. It occurs in both animal and plants b. It occurs in both fungi and plants c. it is a breaking down process d. it is building up process
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8) The guard cells flanking stomata control the oxygen and carbon dioxide entering the leaf by opening and closing the a. veins b. leaf pores c. stoma d. palisade
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9) The process of photosynthesis takes place in the a. Starch and Sucrose b. Glucose and oxygen c. chloroplast d. system
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10) The color of the pigment in chloroplast is a. green b. black c. yellow d. red
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