Is light required for oxygen production?
Answer 1: By using the energy of sunlight, plants can convert carbon dioxide and water into carbohydrates and oxygen in a process called photosynthesis. As photosynthesis requires sunlight, this process only happens during the day. Oxygen is required to do this.
What is the rate of oxygen production when there is no carbon dioxide available?
0.0ml/hr
Does increasing light intensity always have the same effect on oxygen production?
up to 40% increasing the light intensity increases the oxygen production. Beyond 40% there is no effect. if the temp were extremely hot or cold, then oxygen production would be near zero no matter what light intensity value you use.
Why would it be hard to find the ideal CO2 level of the light intensity were low?
Why would it be hard to find the ideal CO level if the light intensity were very low? – It would be difficult to find the ideal CO2 level with a low light intensity because the plant will have a difficult time trying to survive.
What is the ideal CO2 level for photosynthesis?
Photosynthesis. Plants during photosynthesis use carbon dioxide. Rate of consumption varies with crop, light intensity, temperature, stage of crop development and nutrient level. An average consumption level is estimated to be between 0.12–0.24 kg/hr/100 m2.
How can light intensity be increased?
As Dr. Lavelle said, the intensity is directly proportional to the number of electrons, so you can’t increase the intensity, but rather you increase the intensity of the light ray by increasing the number of photons.
How is oxygen production rate of elodea affected by light intensity?
In this experiment, the light intensity is changed by changing the distance of the source of light closer or further away from the elodea, so theoretically, when the intensity becomes stronger due to the light source being closer to the Elodea, the rate of photosynthesis should increase and therefore the number of …
How do you vary light intensity in an experiment?
the light intensity is proportional to distance – it will decrease as the distance away from the bulb increases – so light intensity for the investigation can be varied by changing the distance from the lamp to the plant.
How light intensity affects the rate of photosynthesis experiment results?
More oxygen bubbles are produced when the light is closer to the beaker. So a greater light intensity gives a greater rate of photosynthesis.
How can light intensity and carbon dioxide levels affect photosynthesis?
Light provides the energy for photosynthetic pig- ments to convert carbon dioxide (CO2) and water into sugars and oxygen. As light intensity increases – until a point – the amount of sugars increases and thus, more energy is available for plant growth and maintenance.
How light intensity affects plant growth experiment?
Medium light plants can grow in the 15-watt range, but higher intensities of light can promote faster growth rates. High light plants require at least 20 watts per square foot of growing space, though higher intensities will further promote growth and flowering.
How does light intensity affect growth?
When determining the effect of light on plant growth there are three areas to consider: intensity, duration and quality. Light intensity influences the manufacture of plant food, stem length, leaf color and flowering. Generally speaking, plants grown in low light tend to be spindly with light green leaves.
Do plants grow more at night or day?
During the day, they use sunlight and CO2 to make sugars, which the plants store and use for growth. During the night, plants use the stored sugars made during the day and combine them with O2 (Oxygen). Most of the cell growth is done at night, and plants tend to stretch or grow more during the dark phase.