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Fertilizer

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

ScienceA student investigates the relationship between fertilizer amount and number of leaves. The plants are kept in pots of different sizes. What can pot size become?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceIn an experiment average plant growth increased as fertilizer amount increased but soil acidity was not measured. Which is the most scientific conclusion?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceIn an experiment plant growth is measured at five different fertilizer amounts. What is the purpose of using three plants at each amount?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhile testing the effect of fertilizer amount on plant height what type of variable is plant height?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceA student gives different amounts of fertilizer and counts the number of leaves. What type of variable is the number of leaves?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe amount of fertilizer is changed and plant height is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf every group in an experiment receives a different amount of water and a different amount of fertilizer what is the main problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhat is the main purpose of randomly assigning plants to groups when comparing two fertilizers?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn an experiment the amount of fertilizer is changed and plant height is measured. Which factor is most essential to keep constant for a fair test?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn an experiment on the effect of fertilizer how should the pot size be kept?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceIn a fertilizer experiment the number of leaves is measured. What is the number of leaves?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceA student gives different amounts of fertilizer to plants. What is the amount of fertilizer?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentEasy ScienceA student concludes that fertilizer increases plant growth because the treatment group was taller on average. What else is needed to strengthen the conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student investigates whether fertilizer amount affects plant growth. If the pot with more fertilizer also receives more light what is the main problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceWhich observation would make it inappropriate to conclude that fertilizer alone caused the growth?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student applies a new fertilizer to five plants and leaves only one untreated. What is the best way to improve reliability?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIn an experiment the amount of fertilizer is changed and plant height is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard