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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।

ScienceIn which situation will the validity of an experiment be affected most?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIf results keep varying in an experiment what should be the first improvement?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhy may an initial measurement be necessary in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn which experiment will reproducibility be tested best?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIf the initial heights of plants in two groups are very different what problem will arise?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn which hypothesis is the independent variable unclear?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhat can be the most serious result of not following safety instructions during an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceA student selects only the tallest plant to report the effect of fertiliser. What problem does this illustrate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceHow can a non testable hypothesis be improved?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhat is the correct meaning of a hypothesis being supported?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhat is the main benefit of keeping all measurements in the same unit?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn which experiment is a control group most needed?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhat does obtaining similar results repeatedly in an experiment indicate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn which experiment would increasing the sample size be most useful?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhich step is most scientific when an unusual result is obtained?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIf an instrument used in an experiment is not showing a correct value what should be done first?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhy is it necessary to write an experimental procedure step by step?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn an experiment all plants receive the same amount of water. What type of variable is the amount of water?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceWhich statement shows the correct relationship between a hypothesis and a prediction?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9MediumScienceIn which situation will the reliability of an experiment increase most?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationLevel 9Medium