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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 sample represents the population well but group assignment was not random. Which conclusion is correct?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceIf participants know they received a sham treatment which effect may be difficult to assess?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceThe treatment and control groups differed at the start of an experiment. Which improvement would most strengthen causal testing?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceA hypothesis is so flexible that its interpretation can be changed after every result. What is the scientific problem?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceIf an instrument gives readings close to one another but always below the true value which description is correct?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceA scientific model explains old data perfectly but fails on new independent data. What problem does this indicate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceA study claims causation but the researcher did not control the independent variable. What is the greatest limitation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceSeveral studies support a scientific claim but all contain the same measurement error. What is the most appropriate conclusion?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 3ExpertScienceWhich statement most comprehensively represents the nature of science?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceWhen is it appropriate to express a scientific conclusion in probabilistic terms?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientific report contains all necessary data but the conclusion does not logically follow from them. What is the main problem?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf an experiment to test a claim is ethically impossible what can science do?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceWhat is the role of creative imagination in a scientific idea?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientific conclusion is supported by several studies but all are small and share the same bias. What conclusion is appropriate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf an experimental result is explained only through a narrative with no quantitative measurement what is the main limitation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA source supporting a scientific claim is an expert but the topic lies outside that expert's field. What should be done?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA report gives only percentage increase but not the starting value. What confusion may arise?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceIf a scientific result shows a very large effect but the study method is weak what conclusion is appropriate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceA scientific study claimed causation using only observational data. What would improve the claim?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2ExpertScienceHow can a conclusion remain useful even when disagreement persists in the scientific community?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2Expert

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