GCSE Biology - Factors Affecting the Rate of Photosynthesis #49

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  • čas přidán 12. 12. 2018
  • The rate of photosynthesis is affected by light intensity, temperature, carbon dioxide concentrations, and chlorophyll. In this video we explore exactly how, and also how farmers can use this knowledge to increase the yields of their crops.
    Video on photosynthesis:
    • GCSE Biology - Photosy...

Komentáře • 173

  • @Cognitoedu
    @Cognitoedu  Před 2 lety +25

    If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision easy as possible. The main features are:
    - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
    - Automatic progress tracking. Progress bars tell you at a glance what you’re doing well at, and what you need to spend some time on.
    - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like.
    - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
    - A comprehensive bank of past exam papers, organised both by year, and also by topic.
    Amadeus & Tom

  • @hqlema
    @hqlema Před 2 lety +271

    POV: you have your gcse biology exam and you're cramming in last miniute revision

  • @daniyaljamil1218
    @daniyaljamil1218 Před 4 lety +289

    Thank u sooo much just got a 9 in Biology, I'm honestly over the moon!!!

    • @Cognitoedu
      @Cognitoedu  Před 4 lety +71

      That’s amazing well done!!!

    • @s.s4661
      @s.s4661 Před 3 lety +19

      I’m so happy for you weLL done

    • @DoubleDeckerDave
      @DoubleDeckerDave Před 3 lety +7

      Well done, were you doing your GCSEs?

    • @ytfresh4741
      @ytfresh4741 Před 3 lety +11

      Nice, i have exams in 2 days and I'm just binging Cognito and freescience lessons, we had less than 2 weeks notice for exams in all topics....

    • @Wojbest_YT
      @Wojbest_YT Před 3 lety +6

      i hope one day ill be there too

  • @yuck9510
    @yuck9510 Před 4 lety +71

    love the sound effects at 4:47, top stuff

  • @karinamarwaha4412
    @karinamarwaha4412 Před rokem +15

    Here's me panicking about my gcse exam in a few days but this popped up- thank you SOmuch!!! quick question- could you please compile the plant and photosynthesis into one jumbo video please? I keep getting mixed up and my exam is laid out like that so I would really appreciate it.

  • @karenribeiro675
    @karenribeiro675 Před 4 měsíci +1

    i just started gcse coming from cbse and they told me i start mocks next week… honestly i still dont know alot about gcse yet but this video has helped me alot ao thankyou ❤️❤️

  • @binishmasood9374
    @binishmasood9374 Před rokem +5

    Best material for revision...no need to do hosh posh things and wander here and there👏👍

  • @denoreno5824
    @denoreno5824 Před 3 lety +13

    5:02 Wakes up confused and itching

    • @blakelam4251
      @blakelam4251 Před 5 měsíci

      Lol I was so annoyed I hate the sound. Still a great video for Biology revision though, I got predicted 9 because of this!!

  • @Kpopfangirl6657
    @Kpopfangirl6657 Před 5 měsíci +2

    Thanks I have exam tmrrw biology from chapter 1 -10 IGCSE and watching your videos help me so tysm

  • @sophie114
    @sophie114 Před 3 lety +25

    i have a massive biology test in a couple days so i’m watching all these videos thank you so much

  • @JustAMonty
    @JustAMonty Před 2 lety +6

    Thank you so much i have a test on Tuesday and this was really useful

  • @Harini_24
    @Harini_24 Před 2 lety +9

    Thank you so much for these videos!!!! You have no idea how helpful they are. Would you be able to do a video on the uses of glucose? Again, thank soooo much :)

    • @amnaahmad8621
      @amnaahmad8621 Před rokem

      he briefed on the uses of glucose in the last video that's titles as 'Photosynthesis'
      :)

  • @bethanhadley2889
    @bethanhadley2889 Před 3 lety +5

    This has helped me with my work for school!

  • @mehnazsreya
    @mehnazsreya Před 3 lety +2

    this helped me with o/n 18 v21 q9 :)

  • @user-ct2bn7md5x
    @user-ct2bn7md5x Před 2 měsíci

    btw cheers mate my teachers NEVER specify the topics in any of my tests, so i have to look over my topics in my book, these vids hv been a lifesaver

  • @nath5415
    @nath5415 Před 4 lety +7

    does the graph always plateau because of the temperature, and the enzymes denaturing?

    • @javadshirinov3750
      @javadshirinov3750 Před 4 lety +3

      If the temperature is to high an goes over the optimum temperature for the plant it will denature the enzymes, which means the active site of the enzyme is changed so it no longer can react with substrates so the enzymes are denatured. Because of the denatured enzymes there is no reaction that is why the line will plateau or even drop to 0.

  • @astonvirgo6125
    @astonvirgo6125 Před 3 lety +6

    Big biology test tomorrow, thank you so much

  • @PrettyFuckingBitch
    @PrettyFuckingBitch Před 4 lety +1

    Thank you very much it helped me in exam 👍

  • @omegaoctagon9668
    @omegaoctagon9668 Před 4 lety +26

    SHIT I DID FURTHER BIOLOGY WITHOUT REALISING IT

    • @Cognitoedu
      @Cognitoedu  Před 4 lety +11

      Oopsie! We’ve all been there 👀

  • @gunashreejoshi
    @gunashreejoshi Před 2 lety +11

    Thank you so much! Fully confident about my tomorrow's presentation now!

    • @Cognitoedu
      @Cognitoedu  Před 2 lety +7

      Glad we could help you out, best of luck! 🤞

  • @thaashalingeswaran5412
    @thaashalingeswaran5412 Před 2 lety +6

    Thank you so much...I've never understood this any better 😁

    • @Cognitoedu
      @Cognitoedu  Před 2 lety +2

      That's great, glad we could help 👍

  • @adaywithcharles3361
    @adaywithcharles3361 Před rokem +2

    I’m watching right now cause this morning I have an exam

  • @noice1656
    @noice1656 Před 4 lety +16

    Thank you very much for the detailed explanation! I can revise my work much quicker now :)

  • @animeworld6730
    @animeworld6730 Před 2 lety +1

    The sound that little red thingy made is hilarious.. Ima subscribe cause of it😂

  • @sadmanmahye6854
    @sadmanmahye6854 Před 2 lety +1

    Thanks a lot...
    Take love and respect from USA..

  • @paulmomwige4611
    @paulmomwige4611 Před 3 lety +3

    u ar th best guider

  • @sebastienbegue6778
    @sebastienbegue6778 Před 2 lety +1

    Thank you soo much sir!

  • @mutinycreator
    @mutinycreator Před 3 lety +7

    Thanks a lot, these videos help out a ton. By the way, does the 'higher tier' mean that it is outside of GCSE? As in, if I am only studying for a grade 9 in GCSE and do not plan on taking it after GCSE, do I or do I not need to know the 'higher tier' stuff?

    • @Cognitoedu
      @Cognitoedu  Před 3 lety +7

      You’ll need the higher tier stuff if you’re aiming for a 9 👍

    • @not_anii7003
      @not_anii7003 Před rokem +1

      Higher tier is the tier that gets u from a 1 to a 9, if u wanna maximise your grades learn the higher stuff,if not then do foundation but you're capped at a 5 or 6 I think

  • @asafcassuto9152
    @asafcassuto9152 Před 4 lety +5

    This helped me a lot thank you very much

    • @Cognitoedu
      @Cognitoedu  Před 4 lety

      Hi Asaf, thank you for the comment! Really happy it helped you out 🙌

  • @officialpex6759
    @officialpex6759 Před rokem +2

    Exams next week.x_x
    These videos are really good thank you

  • @Mustang-qr9ht
    @Mustang-qr9ht Před 2 lety +5

    Still saving lifes years later... 😁😁😎😎

  • @tiaranair144
    @tiaranair144 Před 3 lety +3

    Thanks, helped me a lot!!!

  • @shahramahmedkhan1331
    @shahramahmedkhan1331 Před 2 lety

    Does higher tier means that the content isnt included in GCSe syllabus and u dont need to memorise it?

  • @crankME
    @crankME Před 7 měsíci +1

    5 years ago still hella useful, bio paper in 2 days. Wish me luck!

  • @nelaomuunda-db8oj
    @nelaomuunda-db8oj Před rokem +3

    4 years later there's me😊😂

  • @PrettyFuckingBitch
    @PrettyFuckingBitch Před 4 lety +2

    Keep it up ☺️

  • @rubab3769
    @rubab3769 Před 4 lety +10

    In quarantine but still studiying ..........🙌🏻

  • @Jordan-bb4xt
    @Jordan-bb4xt Před 4 lety +2

    Thanks for the video! Really helped me out!

  • @zoromo4434
    @zoromo4434 Před 8 měsíci +1

    I love you so much you're saving my life

  • @user-fs7is2qo1u
    @user-fs7is2qo1u Před 3 měsíci

    what should i do once i’ve took notes from these videos? should i create flashcards etc?

  • @user-jv1qk4qf4f
    @user-jv1qk4qf4f Před 5 lety +5

    This video is very helpful. Keep up the good work👍🏼😊

    • @Cognitoedu
      @Cognitoedu  Před 5 lety +1

      Thank you Andrea - really happy to hear it was useful! :)

  • @ompatel4630
    @ompatel4630 Před 4 lety +4

    Thanku very much diagrams really help me earned a sub

    • @Cognitoedu
      @Cognitoedu  Před 4 lety +1

      Thank you Om! Really happy to hear it helped you out :)) cheers for leaving us a comment too - it really helps the videos get seen 🙌

  • @u.6595
    @u.6595 Před 2 lety

    did you mean higher tier combined or triple

  • @taliyaseedrashouly791
    @taliyaseedrashouly791 Před rokem +1

    when i heard that fly i jumped out of my seat so fast 💀💀

  • @enginnergaming3659
    @enginnergaming3659 Před 2 lety

    The bit were it’s saying all plants do it is inaccurate as we have cavernous plants: eg Venus fly trap

  • @h3wrt13ss
    @h3wrt13ss Před 5 měsíci +1

    is therer a video explaining limiting factor im really confused about it

    • @Palakmishra11
      @Palakmishra11 Před 5 měsíci

      I can explain to you what is the limiting factor if you want

  • @stuartkemp2391
    @stuartkemp2391 Před 3 lety +2

    Great video

  • @taniaakter2727
    @taniaakter2727 Před 3 lety +1

    Thank you

  • @inthezone2304
    @inthezone2304 Před 2 lety +1

    Have an up coming exam & hope the video are quite effective

  • @mo4515
    @mo4515 Před 3 lety +1

    just amazing soooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo helpful

    • @mo4515
      @mo4515 Před 3 lety

      i know this comment is very late but keep up the good work

    • @schoolwkgs8918
      @schoolwkgs8918 Před rokem

      BRO REPLIED TO HIS OWN COMMENT

  • @vapaus831
    @vapaus831 Před rokem +1

    4:48 Funny noises 😂😂

  • @naeemakbar2780
    @naeemakbar2780 Před rokem +1

    The effect at 04:47 and 05:00 >>>>>

  • @temsunarolongchar4567
    @temsunarolongchar4567 Před 3 lety +1

    What is the most important factor?

    • @neeldasgupta2441
      @neeldasgupta2441 Před 3 lety +1

      all of them mate. one won't work on its own without the other 2

    • @nabiha5942
      @nabiha5942 Před 3 lety

      @@neeldasgupta2441 NOT EXACTLY NO OFFENSE BUT........ACCORDING TO GCSE.....LIGHT INTENSITY IS THE MOST IMPORTANT LIMITING FACTOR ........ SINCE THE REST MAY VARY ACCORDING TO PROPOTIONS........VARIATION IN LIGHT INTENSITY EFFECTS THE RATE OF PHOTOSYNTHESIS :}

  • @MaddenedInvader
    @MaddenedInvader Před 3 lety +2

    Good vid

  • @stuartkemp2391
    @stuartkemp2391 Před 3 lety +1

    The sound effects sound like Brando!

  • @MI-lo2hj
    @MI-lo2hj Před 3 lety +3

    ROUND 1:
    Cognito VS FREESCIENCELESSONS

  • @puspabatidas4342
    @puspabatidas4342 Před 3 lety +1

    I have a doubt sir. May I ask you?

  • @jamesmcgrane9382
    @jamesmcgrane9382 Před 2 lety +1

    thank you that really helped 😃

  • @rifat1383
    @rifat1383 Před 2 lety +1

    Idk what to do, you have helped me soo muchh thank youuu but I still seem to not get good marks in my tests can you please tell me an efficient way to get higher marks in my tests?

  • @user-vi2mj5uy7r
    @user-vi2mj5uy7r Před 3 měsíci +1

    3:23

  • @hgamer1352
    @hgamer1352 Před rokem +1

    another great video 😊

  • @user-li7gq4pq2g
    @user-li7gq4pq2g Před rokem +1

    thnk

  • @alihaidarhaidar1370
    @alihaidarhaidar1370 Před 4 lety +2

    Is this also known as control of photosynthesis??

  • @AayushChitnis
    @AayushChitnis Před 3 lety +6

    Put this video speed on 0.75 trust me you will understand much better thank me later

    • @freddielees3534
      @freddielees3534 Před 2 lety +1

      Fuck me your a genius, well not really because you wouldn’t be watching these vids for desperate people if u were

  • @ahmadqasim4773
    @ahmadqasim4773 Před 9 měsíci +1

    296k views= 2986k students saved
    Mission Accomplished ✅✅

  • @tobiplaysroblox233
    @tobiplaysroblox233 Před 3 lety +1

    I don't know how i got to start this when im only in yr 7

  • @fouadsaleh8211
    @fouadsaleh8211 Před rokem +1

    Is water or magnesium affect chlorophyll synthesis?

  • @xenoX12313
    @xenoX12313 Před 8 měsíci +1

    thank u

  • @liliamargret
    @liliamargret Před 4 lety +5

    Whoever founded this channel is a god

  • @1thdayoftheyear276
    @1thdayoftheyear276 Před 3 lety +1

    spoder man

  • @aquafox8426
    @aquafox8426 Před rokem +1

    Pov: you have to watch this as homework

  • @vaibhav1661
    @vaibhav1661 Před rokem +1

    1:10

  • @roostervii8788
    @roostervii8788 Před 4 lety +4

    wow epic can you sign my pickaxes

  • @guyhawked8024
    @guyhawked8024 Před 3 lety +1

    69,000th view 😎

  • @Wojbest_YT
    @Wojbest_YT Před 3 lety +5

    imagine disliking this vid

  • @divyamanoj3153
    @divyamanoj3153 Před 2 lety +1

    awesome 👍👍

  • @jcpenterprisesjavid7912
    @jcpenterprisesjavid7912 Před 5 lety +3

    💯😊

  • @anonymousbeing5510
    @anonymousbeing5510 Před 2 lety

    You didn't include water .

  • @habiba419
    @habiba419 Před 5 měsíci

    when u say higher tier does combined science higher count

  • @maximemais5136
    @maximemais5136 Před 4 lety +1

    whats up jeff

  • @protundra6098
    @protundra6098 Před 3 měsíci

    Bio paper day at
    Fter tommorow ☠️

  • @emilygreen1399
    @emilygreen1399 Před 3 lety +2

    Lmao carbon deroxide

  • @locrynp2161
    @locrynp2161 Před 3 lety +3

    who is here period 5 on Wednesday at exactly 14:23

  • @Cpt005
    @Cpt005 Před 4 lety +4

    IN-cognitio ?!

  • @user-bq3ch1ps8q
    @user-bq3ch1ps8q Před rokem

    why dont teachers do this?

  • @user-od7mf1xj8j
    @user-od7mf1xj8j Před rokem

    Enzememes 2:28 ,😂😂😂😂😂

  • @smellygamer706
    @smellygamer706 Před 2 měsíci

    all this and yet americans wont know why they are speaking vietnamesse

  • @harithmustafa7649
    @harithmustafa7649 Před 10 měsíci +1

    sir I want tall you some thing your vouse is not too much good I hope to make it better.