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Plant Experiment

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

ScienceIn an experiment plants receive red blue and green light and biomass is measured after seven days. What type of independent variable is light color?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA student investigates the relationship between fertilizer amount and number of leaves. The plants are kept in pots of different sizes. What can pot size become?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA student investigates the effect of light duration on plant growth. The number of light hours received each day is changed. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceIn an experiment only one plant was kept in sunlight and one in shade. What is the best way to make the conclusion more reliable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich factor is most important to control in an experiment on the effect of light on a plant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of music on plant growth the plants were kept in different rooms. One room was also warmer. What type of problem is this?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich option gives a dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIn an experiment on the effect of water on plants what type of variable is the amount of water?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIf plants have very different initial heights in an experiment what is the most appropriate analysis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert SciencePlant growth was measured only by final height even though initial heights differed. What is the best improvement?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn which situation is a control group most necessary?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn which experiment would increasing the sample size be most useful?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn an experiment all plants receive the same amount of water. What type of variable is the amount of water?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIn an experiment on the effect of light on plants which would be the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA student tested fertiliser on only one plant. What should be done to make the conclusion more reliable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich should be the control group when testing the effect of a new fertiliser?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhat problem may arise from using different sized pots in the same experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceTwo similar plants are used in an experiment. What is the benefit?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceIn an experiment plants receive different amounts of water. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhy is the soil type kept the same in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy