4.1 Photosynthesis

EasyMedium
12345678910
Question 1
Easy52%

A researcher investigated the rate of photosynthesis in the freshwater macrophyte Ceratophyllum demersum by measuring the volume of oxygen gas produced in different concentrations of sodium hydrogencarbonate (NaHCO3\text{NaHCO}_3NaHCO3​) solution. The results of this investigation are shown in the table below:

Concentration of NaHCO3\text{NaHCO}_3NaHCO3​ (%)Volume of oxygen collected in 12 minutes (cm3\text{cm}^3cm3)Rate of oxygen production (cm3/hour\text{cm}^3/\text{hour}cm3/hour)
0.10.241.20
0.20.522.60
0.30.76ZZZ
0.40.924.60
0.50.984.90

Calculate the value of Z Z\,Z in the table.

[2]

4.1 Photosynthesis Questions

  1. GCSE
  2. /Biology
  3. /4.1 Photosynthesis