Question
Last Answered 11/3/2 Which of the following is a factor that can LIMIT the rate of PHOT OSYNTHESIS? [ALL of these] Light intensity Carbon dioxide concentration Temperature
Answer
4
(397 Votes)
Kellan
Master · Tutor for 5 years
Answer
A, B, C
Explanation
Photosynthesis is the process by which plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose (or other similar molecules). This is an essential process for these organisms as it allows them to create energy from the compounds in their surroundings. The rate of photosynthesis can be influenced by several factors:1. Light intensity: Photosynthesis requires energy in the form of light. When light intensity increases, the rate of photosynthesis initially increases and then levels off to a plateau as all the available chlorophyll molecules responsible for photosynthesis are saturated and cannot process additional light energy.2. Carbon dioxide concentration: Carbon dioxide is one of the main reactants in photosynthesis. Its availability can thus significantly influence the rate of photosynthesis. Generally, increasing carbon dioxide concentration promotes higher rates of photosynthesis to a certain point.3. Temperature: Photosynthesis is catalyzed by enzymes, and thus, temperature can affect these processes as it does for all enzymatic reactions. An optimal temperature exists for photosynthetic enzymes – often around room temperature. If the temperature is too low, the enzymes are not as effective, and if it is too high, they degrade, slowing photosynthesis.Given the options provided, all of them (Light intensity, Carbon dioxide concentration, Temperature) have an impact on the rate of photosynthesis. Hence, 'All of these' is the correct answer.