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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।

ScienceA study found a very small effect with an extremely large sample. Why is judging only by statistical difference incomplete?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceIn which situation would a control group be least useful for interpreting an experiment?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceAn instrument repeatedly gives nearly identical readings but remains far from the known value. Which description is correct?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceIf a claim only accounts for already known results and allows no new test what is its main limitation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceIn an experiment the treatment group received both a new teaching method and extra study time while the control group received neither. What is the main obstacle to interpretation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceA researcher observed that students with more books also had higher marks. Which conclusion is scientifically most cautious?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceWhy is a scientific theory not treated as complete and final truth even after long-term success?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1ExpertScienceWhich is the most balanced description of the meaning of science?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific claim is found valid only under limited conditions because of new evidence. What conclusion follows?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhat does calling scientific knowledge a social process indicate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific conclusion is supported by different kinds of evidence such as observations experiments and models. What is its importance?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceIf risks exceed benefits in a scientific study what is ethically necessary?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhat is the ethical purpose of keeping participants' identities confidential in a study?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific claim is tested only for supportive outcomes with no plan for opposing results. What is the main weakness?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific explanation also explains several different facts together. What can this quality be called?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhen is the internal validity of an experiment considered strong?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA study reports only the average but not the spread of data. What information may be hidden?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhen is criticism in the scientific community useful rather than personal opposition?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceIf the answer to a question depends only on personal preference what type of question is it?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA result was obtained repeatedly but only under similar conditions. What is needed before applying it to other conditions?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2Hard

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