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Class 9 Mcq

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

ScienceIn an experiment, the amount of soap is changed and the height of foam is measured. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11MediumScienceIf 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 experimentLevel 11MediumScienceA student changes the height from which a ball is dropped and records its bounce height. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11MediumScienceWhile testing the effect of water temperature on the rate of sugar dissolving, which could be a controlled variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11MediumScienceThe amount of fertilizer is changed and plant height is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 11MediumScienceIn 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 experimentLevel 11MediumScienceWhich example correctly shows a dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn which experiment is the independent variable identified correctly?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn a bulb brightness experiment what is using the same type of bulb?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn the battery experiment what type of variable is bulb brightness?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceA student connects different numbers of batteries and measures bulb brightness. What is the number of batteries?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn a spring experiment what is using the same spring called?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceWhat type of variable is the extension of a spring?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceA student hangs different loads and measures the extension of a spring. What is the hanging load?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceWhat is the purpose of keeping the initial water volume the same in a filtration experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceWhat type of variable is the time taken to filter water through sand?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceA student uses different amounts of sand and measures the time taken to filter water. What is the amount of sand?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn the coloured surface experiment what type of variable is surface size kept the same?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceIn the coloured surface experiment what type of variable is surface temperature?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12EasyScienceA student places surfaces of different colours in sunlight and measures their temperature. What is surface colour?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentLevel 12Easy