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Hypothesis Testing

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

ScienceWhy is a negative control used when testing a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn an experiment the dependent variable is recorded as good or poor. What is the best improvement?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhich type of result would provide the strongest evidence against a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich type of result does not directly test a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student recorded only those trials in which the hypothesis was supported. What type of error is this?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich experimental plan has the greatest chance of bias?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceIf an experimental result is opposite to the hypothesis what is the most scientific action?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceA student hypothesises that seeds will germinate faster with more water. What will be the dependent variable in this investigation?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhich action increases bias in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhat problem may arise from using different sized pots in the same experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhat is the final statement based on data obtained in an experiment called?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhy is it necessary to record data in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhat may be the next scientific step after completing a test of a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhere should experimental results be recorded?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceWhat is the main purpose of an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationEasy ScienceA hypothesis allows two possible outcomes but both are treated as confirming it. What should change for scientific testing?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpert ScienceAn experimental result contradicted the hypothesis. Which response is closest to a scientific attitude?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard ScienceWhat is the main reason for conducting an experiment?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceEasy