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Plant Growth

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 ScienceA student investigates the effect of light duration on plant growth. The student changes light duration and measures plant height. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard SciencePlant growth is measured under different colours of light. What type of independent variable is light colour?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhy is it necessary to give equal amounts of water to all plants when comparing growth in different soils?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 ScienceIn a comparison one group of plants was taller even before the treatment began. What is the appropriate analysis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student predicts that greater light exposure will increase plant growth. Which improvement is most necessary to make this prediction a scientific hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhat difficulty arises if plants have different initial heights in a fertilizer experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student investigates how the duration of light affects plant growth. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing plant growth under different colours of light, which should be a controlled variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an investigation of the effect of light duration on plant growth, which is the independent 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 ScienceIf plants exposed to louder sound also receive more fertiliser what will fertiliser amount be called?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn the same experiment what will average plant height gain be?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat is the independent variable while testing the effect of sound intensity on plant growth?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf pot size also differs among pots containing different soils what will pot size be called?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of soil type what type of variable will plant height gain be?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn which question is soil type the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf water amount also changes while testing the effect of fertiliser on plant growth what will water amount become?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student tests the effect of water amount on plant growth but does not measure soil moisture. What is a possible consequence?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert