Biology, 29.12.2020 22:20 jasminesilva07oql1a9
02: A student carried out an investigation to find the effect of carbon dioxide concentration
on the rate of photosynthesis of an aquatic plant.
The apparatus that the student used is shown in Fig. 2.1. The student was advised to use a
light meter positioned at the same distance from the lamp as the pond plant. The student
counted the number of bubbles produces by the cut end of the stem.
de sodium
hydrogencarbonate
solution
thermometer
movable lamp
stop watch
water-bat
pond plant
ru
Fig. 2.1
(a) Explain why the student included the following in the apparatus.
) The beaker of water and the thermometer
(1)
The light meter and the ruler.
Answers: 3
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Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?
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What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad
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Do you think the gene eef1 alpha1 supports cell theory? explain your response.
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02: A student carried out an investigation to find the effect of carbon dioxide concentration
on th...
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