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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।

ScienceAn experiment has very few groups but many individuals in each group. Which limitation may remain?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA researcher reported only the average while some values were beyond the measurement range. What should have been done?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA model is highly complex and perfectly fits all available data but its prediction changes with small adjustments. What is the main concern?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf an experiment testing a scientific idea is conducted only by its supporters what next step would be most valuable?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceAn experiment did not define what would count as improvement before measuring outcomes. What problem may arise?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientific report states its conclusion with greater certainty than the evidence allows. What can this be called?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf no evidence against a claim was found because no proper attempt was made to search for it what conclusion is appropriate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceOnly successful examples are given in support of a scientific conclusion while the number of failures is unknown. What problem is this?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf an experiment is highly controlled but very different from real life what trade-off is visible?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA famous study supports a scientific claim but its method is unavailable. What is the main concern?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf participants were randomly assigned to groups but the sample came from only one school which quality is stronger and which is limited?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA study found an effect but several alternative causes remain possible. How should the scientific conclusion be framed?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientist decided which measurement would be the main outcome only after seeing the results. What risk arises?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceWhy is scientific testing weak if a claim can be adjusted to explain every possible outcome?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceWhy is it inappropriate to reject a scientific explanation merely because it seems contrary to common experience?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA study result occurs only under highly specific conditions. How should the scientific claim be written?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIn which situation may the original conclusion still be wrong despite successful reproduction?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientific report gives a conclusion but does not discuss contrary evidence. Which quality is weakened?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA study had a control group but the two groups were kept in different environments. What is the main interpretative problem?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf the scientific community agrees on a claim but strong new contrary evidence appears what should happen?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2Expert

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