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

ScienceIf an experimental sample is chosen only from fast runners what is the main limitation of the conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn which experiment would random sample selection be most useful?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhat is the main benefit of random selection in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich experiment shows the greatest sampling bias?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhat should be checked before applying an experimental conclusion from a sample to an entire population?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn a field study only plants near a road were selected. What difficulty arises when drawing conclusions about the entire forest?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceIn a field study only plants near a road were included in the sample. What problem may arise?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard 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 scienceExpert ScienceA research conclusion is based on people from a small region. What should be examined before applying it to the entire country?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard ScienceWhat should be considered before applying a conclusion to a wider group?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceMedium ScienceWhat does sampling mean in a scientific investigation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceEasy