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Photosynthesis

Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceIn an experiment on light intensity and photosynthesis bubbles released per minute by an aquatic plant are counted. What does the bubble count represent?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHardScienceIn an experiment the rate of photosynthesis first increases and then becomes constant as light intensity rises. What should be placed on the horizontal axis of the graph?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHardScienceIn an experiment involving light intensity and the rate of photosynthesis, which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMediumScienceIn a photosynthesis experiment sodium hydrogen carbonate is added to increase carbon dioxide availability. Why should its amount be kept constant when testing light intensity?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpertScienceA student hypothesizes that more light increases the rate of photosynthesis in an aquatic plant. Which is the best testable prediction?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpertScienceA student investigates the relationship between light intensity and photosynthesis rate. The distance between the lamp and plant is changed. Which direct variable changes when distance is reduced?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHardScienceIn an experiment light intensity was changed and oxygen bubbles produced by a plant were counted. Which statement is correct?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHardScienceA student investigates the relationship between light intensity and the rate of photosynthesis. What could be a suitable indicator of photosynthesis rate?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard

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