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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।

ScienceWhich result supports rather than absolutely proves a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat is the benefit of increasing the sample size in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat is the correct way to reduce parallax error?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceA student says that a heavy ball will fall faster than a light ball. What should be measured to test this hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhich action improves reliability but does not necessarily improve accuracy?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat is the benefit of recording experimental data in a table?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceIf a student compares the temperature of water kept in sunlight and shade what should be kept the same for control?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhich statement correctly distinguishes an observation from an inference?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat should be done if a zero error is found in an instrument?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceIn an experiment the amount of water was changed and seed germination was observed. Which graph would be most useful?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhich is the most appropriate way to improve accuracy in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceIf a student is testing the rate at which salt dissolves what is the stopwatch used for?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat should mainly be written in the conclusion of an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceA result is called an anomalous value when it does what?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceA student measures the distance travelled by a toy car on different surfaces. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceIn which situation is a hypothesis considered testable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhen is wearing safety goggles most necessary during an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhat is the main advantage of calculating the average of measurements?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceA student investigated the relationship between temperature and rate of evaporation. Which is an appropriate hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium ScienceWhy is it necessary to change only one independent variable in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 8Medium