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

ScienceWhile testing the effect of water amount on plant growth one plant is kept near a window and another in a dark corner. What is the light condition?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceIn an experiment on the effect of temperature on plant growth the chambers at different temperatures also have different light levels. What is the best solution?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA student claims that music increases plant growth. Plants with music were kept near a window while plants without music were kept in a dark corner. What is the main confounding variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhen testing the effect of light what type of decision is giving the same amount of water to all groups?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhile testing the effect of water depth on light availability, what is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn 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 experimentMedium ScienceA student tests plant growth at three light levels. What do the three light levels represent?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich factor should be kept the same in a fair investigation of the effect of light?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat will the experiment be like if both water amount and light are changed?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceHow should the amount of water be kept while testing the effect of light on a plant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIf the amount of light is changed and plant height is measured what is plant height?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceA student places the treatment group near a window and the control group in a dark part of the room. What is the main error in testing fertiliser effect?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student concludes that red light increases plant growth but used only one plant. What is the most appropriate evaluation?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn 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 experimentationHard ScienceA student claims that plants grow faster in red light than in blue light. What would be the null hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf two groups of plants have different soil types how will this affect an investigation of light?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich hypothesis also includes a clear time period?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich conclusion stays within the limits of experimental data?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn an experiment plants received different amounts of water but also different amounts of light. What is the main problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIf the hypothesis states that plant growth will increase with more light what is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium