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How do different temperatures (15°C, 20°C, 25°C, 30°C, 35°C) and light intensities (30%, 40%, 50%, 60%, 70%) affect oxygen production during photosynthesis in aquatic plants?e
Biology
IA
4
SL
Pro
To what extent do fruit juices with differing pH levels (1.8, 3.2, 4.2, 5.2, 7) prevent the growth of microbial growth on Plain/White bread?
Biology
IA
4
HL
To what extent does the percentage cover of Padina algae (Padina pavonica) differ between a more undisturbed and and disturbed intertidal ecosystem in Malina Beach, Tioman
Biology
IA
4
HL
Pro
Investigating whether there is a correlation between the concentration of copper sulfate (62.5 ppm, 125 ppm, 250 ppm, 500 ppm, 1000 ppm) and the germination and early growth of mung beans (Vigna radiata) as measured through the change in shoot length of germinated mung bean seeds after 5 days?
Biology
IA
4
SL
Pro
What are the effects of increasing the concentration of coffee grounds (0%, 5%, 10%, 15%, 20%) in the soil on providing an optimal environment for the growth of Vigna radiata in 7 days?
Biology
IA
5
HL
Pro
How does Salinity Concentration (in percentage) Affect Average Growth Rate (grams/day) of Mung Bean Species?
Biology
IA
4
HL
What is the effect of changing iron (II) sulfate concentration (0.00mg/L, 2.00mg/L, 4.00mg/L, 6.00mg/L, 8.00mg/L, 10.0mg/L) on the growth of Lemna minor over 6 days?
Biology
IA
5
HL
Pro
How does the pH of lactose (2, 4, 6 , 8 ,10) affect the concentration of glucose (mmol/liter) after 5 minutes?
Biology
IA
4
HL
Pro
Is there a relationship between the abundance of sea lettuce (Ulva lactuca) (categorized by SACFOR) and the density of common limpets (Patella vulgata) in a marine environment at Helwell Bay?
Biology
IA
5
HL
Pro
How do varying concentrations of lead nitrate (0 mol/dm3, 0.1 mol/dm3, 0.2 mol/dm3, 0.3 mol/dm3, 0.4 mol/dm3 and 0.5 mol/dm3) affect the rate of enzyme activity of liver catalase in the decomposition of hydrogen peroxide, by measuring the amount of oxygen produced in 2 minutes using a gas syringe?
Biology
IA
6
HL
Pro