1.Discuss why plants have two types of chlorophyll instead of just one. How does this benefit them? What would you expect concerning the rate of photosynthesis for a plant that had only one type of chlorophyll?
2. How does the color of the chlorophyll impact the photosynthesis process?
1.Discuss why plants have two types of chlorophyll instead of just one. How does this benefit them? What would you expect concerning the rate of photosynthesis for a plant that had only one type of chlorophyll?
2. How does the color of the chlorophyll impact the photosynthesis process?
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Related questions
Chlorophyll is a pigment that absorbs specific wavelengths of light, and the absorption of that light leads to the passage of electrons to a higher energy state, where chemical energy can then be harvested from them. You would expect that a plant exposed to which color of light would produce the most photosynthesis?
green |
orange |
yellow |
blue |
Which color of light would you expect chlorophyll to absorb the least?
green |
red |
yellow |
blue |
Most plants are green because....
chlorophyll absorbs green light well |
chlorophyll does not absorb green light well |
chlorophyll reflects green light well |
both of the last two answers are correct |
Thinking about the gases involved in respiration and photosynthesis, during the day, a plant is producing____ from respiration and releasing_____ from photosynthesis. But at night, a plant is only producing_______ from respiration.(spell your answers out completely).
Plants perform cellular respiration to produce.......
ATP |
NADPH |
sugar |
oxygen |
Which of the following is true about plants and cellular respiration?
plants perform cellular respiration only during the night |
plants perform cellular respiration only during the day |
plants perform cellular respiration during the night and day |
plants do not perform cellular respiration |
Which of the following is true regarding plants and photosynthesis?
plants perform photosynthesis only during the night |
plants perform photosynthesis only during the day |
plants perform photosynthesis during the night and day |
plants do not perform photosynthesis |
Is it possible for this plant to consistently do more cellular respiration than photosynthesis?
yes, plants use excess ATP for growth |
yes, but only during winter months |
not today, but fossil records shows they did in the past |
no, plants can't consume food faster than they make it |
Photosynthesis Lab Report
- Plant Structure and Function
- Through the process called __________ plants convert lightenergy into
__________ energy. Record your answerbelow.
- In which structure of the plant does photosynthesis occur?
- What is the difference between xylem and phloem?
- Based on lab, Exercise 1, what is the name and function of thestructure labeled with the letter âHâ?
- Chloroplast
- Based on Lab, Exercise 2, draw and label each part of thechloroplast. Sign, date and prepare an image of your drawing andinclude it with this lab report.
- What part of the process of photosynthesis occurs in thethylakoid compartment?
- What is the name and function of the structure labeled with theletter âEâ in Exercise 2?
- Photosynthetic Products
- What are the three products of photosynthesis?
- What happens to the glucose that is not metabolizedimmediately?
- In the test for starch, which tube demonstrated a positive testfor starch? How do you know?
- Based on Lab, Exercise 3 explain why part of the leaf was amberin color.
- Light Absorption
- What pigment is used by plants to absorb light?
- In the video demonstration in Exercise 4 what happens to thelight spectrum when a green filter is placed in front of the lightsource?
- In step 3 of Exercise 4, which color was not absorbed by thespinach pigments?
- Photosynthetic Pigments
- What process is used in Exercise 5 to separate the plantpigments?
- Look at the chromatogram results in Exercise 5. What color isreflected by chlorophyll a?
- Which pigment reflected an orange color?
VI. Effect of Light and Temperature onPhotosynthesis
- What was the conclusion of Blackmanâs first experiment on theeffect of light on photosynthesis?
- In his second experiment, what effect did increasingtemperature have on the rate of photosynthesis?
- Record the data from Exercise 6 below.
Lamp Distance | Temperature | Ave Bubble/min |
75 cm | ||
50 cm | ||
25 cm |
- In the experiment in Exercise 6, what conclusion can be drawnabout the effect of light and temperature on rate ofphotosynthesis?
Summary Questions
- Why do heterotrophs depend on autotrophs?
- Name two reactants necessary for photosynthesis to occur.
- How would the process of photosynthesis be affected if a planthad no stomata?
- What tool is used to separate white light into differentwavelengths of color?
- Explain why we see the color green on the leaves ofplants.
- What color is absorbed the least by the petals on asunflower?
- Photosynthesis consists of two phases. Which phase would beleast affected by living in an area where there are shorter daysand long periods of darkness?
- How could air pollution affect food production and the priceyou pay for food at the supermarket?