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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।

ScienceHow can a scientific model be useful even if it does not include every real detail?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceIf a sample is large but selected with bias which statement is correct?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA sample was selected randomly in a study. What is its main benefit?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceThe dependent variable was measured in an experiment but the measurement method was unclear. What is the main problem?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceOther scientists obtain the same experimental result using the same method. Which quality does this demonstrate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhich statement about a scientific law is most appropriate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhy is it incorrect to call a scientific theory merely a guess?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientist published only those results that supported the original belief. Which problem arises?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceIf all measurements are close to one another but far from the true value how should the measurement be described?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceWhich condition is necessary for a hypothesis to be scientific?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceIn an experiment light was varied for plants but temperature also kept changing. What is the correct improvement?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific claim has been verified many times but a new study gives an opposite result. What is the most appropriate scientific response?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 2HardScienceA scientific study provides data supporting its results but does not describe the measurement method. Why does this weaken verification of the claim?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceWhich statement most broadly expresses the nature of science?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceA study reports benefits but gives no information about possible harms. What is the most appropriate scientific evaluation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceWhat does revising a scientific model after new evidence appear demonstrate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceWhy is knowledge construction in science more of a collective process than an individual achievement?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceWhat is the external validity of a scientific conclusion related to?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceA researcher selects only sources supporting a claim and ignores opposing studies. What does this show?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1HardScienceWhat is the most important difference between a scientific prediction and an ordinary guess?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceLevel 1Hard

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