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Germination

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 the effect of temperature on seed germination the percentage of germinated seeds is recorded. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhy may percentage of germinated seeds be a better dependent variable than the number germinated in an experiment on salinity?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceThe hypothesis states that acidic water reduces seed germination. Which observation has the greatest potential to falsify it?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student wrote that sweetened water is good for seeds. How can this be changed into a better hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student wants to test the effect of temperature on germination. Which would be an appropriate control group?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceA student measures germination percentage at different temperatures. What are temperature and germination percentage respectively?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf the effect of soil type on seed germination is investigated, what will be the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich factor is most appropriate to keep the same in a fair seed germination investigation?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat will be the independent variable while testing the effect of water amount on seed germination?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA hypothesis predicts that more salt will reduce seed germination. If germination rises at moderate salt but falls at high salt what conclusion is appropriate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich question can most easily be converted into an experimental hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceHow should temperature be kept while testing the effect of sound intensity on seed germination?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceHow should the type of seed be kept in a germination investigation?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIf temperature is kept the same in a seed germination experiment what is it called?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceWhile testing the effect of temperature on seed germination how should the type of seed be kept?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceA student records results only for the three fastest germinating seeds. What type of bias is this?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhat is the main problem if seeds of different species are used while testing the effect of salt on germination?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn which experiment is the effect of amount tested through a proper comparison?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich statement is the most suitable scientific hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceWhich instrument would measure temperature while testing its effect on germination?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy