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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
To what extent does the variety of apple (Malus domestica: Granny Smith, Jazz, Pink Lady, Golden Delicious, Honey Crisp)1 affect the rate of osmosis measured using the percentage change in mass over 5 hours in a 2M NaCl solution?
Biology
IA
5
HL
Pro
How do different pHs (2 to 8) affect the solubility of cod fish protein (Gadus morhua) measured using the absorption of light through the supernatant of centrifuged fish solution?
Biology
IA
6
HL
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
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
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 does iron(ii)sulfate concentration (0.0M, 0.1M, 0.2M, 0.4M, 0.8M) affect the enzymatic activity of catalase (from Bos taurus) measured from the increase in pressure (kPa) inside an Erlenmeyer flask when hydrogen peroxide decomposes over a 60 second period?
Biology
IA
6
HL
Pro
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
How do different sweeteners (white sugar, brown sugar, honey, maple syrup and stevia) affect the fermentation rate of black tea kombucha measured by the change in pH using the pH meter over eone week at room temperature?
Biology
IA
5
HL
Pro