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1) Photosynthesis is a reaction and reactions change their rate under the dependence of a. temperature b. air c. gases d. oxygen
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2) Plants of warmer regions can easily be grown in colder regions by the presence of a. power plant b. teahouse c. greenhouses d. green cell
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3) The rate of photosynthesis rises when the temperature is at a. 10 degree b. static c. higher side d. lower side
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4) The process in which carbon dioxide and water a re used as raw materials for the formation of oxygen and glucose sugar is known as a. transpiration b. photosynthesis c. respiration d. none of them
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5) The act of breaking of food substances in order to release energy is known as a. process b. transpiration c. respiration d. photosynthesis
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6) The most chloroplast organelles are present in a. stoma b. palisade layer c. stigma d. stalk
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7) The dead protective layer over the upper epidermis of the leaf and below the lower one is known as a. palisade b. mesophyll c. cuticle d. stoma
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8) Photosynthesis reduces the concentration of a. carbon dioxide b. oxygen c. energy d. neon
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9) Chlorophyll is a a. single pigment b. color c. complex pigment d. none of them
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10) The rate of photosynthesis increases with increase in the concentration of a. carbon dioxide b. oxygen c. sun light d. neon
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11) The gas that has second highest percentage in air is a. carbon dioxide b. argon c. oxygen d. nitrogen
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12) Leaves carry out the process of photosynthesis due to a. flat shape b. periodic replacement c. they contain most of the plant's chlorophyll d. all of them
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