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Free Photosynthesis Notes PDF - GCSE & A Level Biology, Factors and Methods of Measurement

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photosynthesis notes

11,320

Jul 2, 2025

4 pages

Free Photosynthesis Notes PDF - GCSE & A Level Biology, Factors and Methods of Measurement

user profile picture

Tia

@tiawilliams_pzgi

Photosynthesis and Its Key Factors- A comprehensive guide exploring... Show more


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Page 2: Biosynthesis and Glucose Utilization

This section explores how plants utilize the glucose produced during photosynthesis for various biological processes and structural components.

Definition: Biosynthesis is the process of converting glucose into other essential plant materials.

Highlight: Glucose serves as the foundation for producing:

  • Starch storagecarbohydratestorage carbohydrate
  • Cellulose cellwallstructurecell wall structure
  • Lipids energystorageinseedsenergy storage in seeds
  • Proteins whencombinedwithsoilnitrateswhen combined with soil nitrates

<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Page 3: Measuring and Factors Affecting Photosynthesis

This page discusses the various methods of measuring photosynthesis rate and explores key factors influencing photosynthetic efficiency.

Vocabulary: Limiting factors - Conditions that restrict the rate of photosynthesis when at suboptimal levels.

Example: Plants in poor lighting conditions produce more chlorophyll to compensate for reduced light availability.

Highlight: Light intensity shows a linear relationship with photosynthesis rate until another factor becomes limiting.


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Page 4: Environmental Factors and Temperature Effects

The final page examines how carbon dioxide concentration and temperature influence photosynthetic rates, with particular focus on enzymatic reactions.

Definition: Enzyme denaturation occurs at high temperatures, severely impacting photosynthesis rates.

Highlight: CO₂ concentration directly correlates with photosynthesis rate until another factor becomes limiting.

Example: Low temperatures limit photosynthesis by reducing molecular collisions between enzymes and substrates.


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Page 1: Fundamental Mechanisms of Photosynthesis

This page details the core process of photosynthesis, explaining how plants manufacture their own food through this vital chemical reaction. The process combines carbon dioxide and water using light energy to produce glucose and oxygen.

Definition: Photosynthesis is an endothermic reaction requiring light energy absorbed by chlorophyll to produce glucose from CO₂ and water.

Vocabulary: Chlorophyll - The green pigment found in chloroplasts responsible for absorbing light energy.

Highlight: The chemical equation: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Example: During daylight hours, plant leaves release oxygen as a byproduct of photosynthesis, benefiting other organisms.



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Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

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Is Knowunity really free of charge?

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Can't find what you're looking for? Explore other subjects.

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App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

 

Biology

11,320

Jul 2, 2025

4 pages

Free Photosynthesis Notes PDF - GCSE & A Level Biology, Factors and Methods of Measurement

user profile picture

Tia

@tiawilliams_pzgi

Photosynthesis and Its Key Factors - A comprehensive guide exploring the fundamental process of photosynthesis, its mechanisms, and influencing factors.

• The process converts carbon dioxide and water into glucose using light energy and chlorophyll
• Biosynthesis pathways utilize glucose... Show more


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 2: Biosynthesis and Glucose Utilization

This section explores how plants utilize the glucose produced during photosynthesis for various biological processes and structural components.

Definition: Biosynthesis is the process of converting glucose into other essential plant materials.

Highlight: Glucose serves as the foundation for producing:

  • Starch storagecarbohydratestorage carbohydrate
  • Cellulose cellwallstructurecell wall structure
  • Lipids energystorageinseedsenergy storage in seeds
  • Proteins whencombinedwithsoilnitrateswhen combined with soil nitrates

<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 3: Measuring and Factors Affecting Photosynthesis

This page discusses the various methods of measuring photosynthesis rate and explores key factors influencing photosynthetic efficiency.

Vocabulary: Limiting factors - Conditions that restrict the rate of photosynthesis when at suboptimal levels.

Example: Plants in poor lighting conditions produce more chlorophyll to compensate for reduced light availability.

Highlight: Light intensity shows a linear relationship with photosynthesis rate until another factor becomes limiting.


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 4: Environmental Factors and Temperature Effects

The final page examines how carbon dioxide concentration and temperature influence photosynthetic rates, with particular focus on enzymatic reactions.

Definition: Enzyme denaturation occurs at high temperatures, severely impacting photosynthesis rates.

Highlight: CO₂ concentration directly correlates with photosynthesis rate until another factor becomes limiting.

Example: Low temperatures limit photosynthesis by reducing molecular collisions between enzymes and substrates.


<p>Plants can make their own food using the process of photosynthesis. During photosynthesis, plants produce glucose from simple inorganic

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 1: Fundamental Mechanisms of Photosynthesis

This page details the core process of photosynthesis, explaining how plants manufacture their own food through this vital chemical reaction. The process combines carbon dioxide and water using light energy to produce glucose and oxygen.

Definition: Photosynthesis is an endothermic reaction requiring light energy absorbed by chlorophyll to produce glucose from CO₂ and water.

Vocabulary: Chlorophyll - The green pigment found in chloroplasts responsible for absorbing light energy.

Highlight: The chemical equation: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Example: During daylight hours, plant leaves release oxygen as a byproduct of photosynthesis, benefiting other organisms.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

You have the choice, we offer a 100% secure payment via PayPal or an Amazon gift card. There is no limit to how much you can earn.

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user