
Are you smarter than a 7th grader?
Quiz by Risa Formisano
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10 questions
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- Q1Which variable in an experiment is not controlled by the experimenter but rather responds to the manipulated variable?ControlIndependentDependentReoccurring20s
- Q2Using the pie chart, approximately how many hours a day are spend in school and doing homework?7.5 hours7 hours8 hours9 hours30s
- Q3Some snapdragon seeds were studied in the pictured experiment. The seeds were placed in a dish lined with a moist paper towel. Which of these is the independent (manipulated) variable in this experiment?The temperature of each dishThe type of seedThe amount of water usedThe number of sprouts30s
- Q4John and Emily were experimenting with the effects of road salt on plant growth. To do this, they watered plants daily with the same amount of salt water. They could BEST improve their experiment by ____.Watering half the plants with pure water and half with salt water.Cooling the salt water before watering the plants.Adding food color to see how far the salt penetrates the plant.Increasing the amount of salt added to the water each day.30s
- Q5What cell organelle is responsible for the process of photosynthesis?MitochondrionChloroplastLysosomeCell Wall20s
- Q6The picture shows a pond ecosystem. What would MOST LIKELY happen if all the lily plants were removed from this community?There would be more oxygen in the air.The pond water currents would be slower.There would be more kinds of animals in the pond.The animals would have fewer places to hide and thus decrease in population size.20s
- Q7Asexual reproduction involves only one parent. The offspring of this type of reproduction have ____.DNA that is incompleteDNA that is different from the parentone-half of the DNA of the parentDNA identical to the DNA of the parent20s
- Q8Which type of characteristics CAN be inherited?Those caused by accidentsThose produced by exerciseThose controlled by genesThose produced by diet20s
- Q9Mendel's early work with pea plants demonstrated a significant genetic discovery. The crossing of homozygous tall pea plants (TT) with homozygous short pea plants (tt) always resulted in tall plants and demonstrated that tallness in pea plants is a trait that is _____.recessivemutatedshareddominant20s
- Q10Which of these populations is most likely to increase if the number of grasshoppers decreases?FrogsBearMousePlants30s