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q26, they're basically asking you which is the correct pair not the actual process of water passing through cells or the apoplast pathway being blocked. A is correct because the apoplast pathway involves moving through intercellular spaces, and the molecule in the Casparian strip in suberin. none of the other options have the right pair so A is the correct answer (just wanted to put it here in case anyone else was confused by this question, because i was too :))
In q17, shouldn't the surface area of D be 864 (12x12x6), which makes the SA:V ratio as 0.5? So shouldn't the answer be B because it has the highest surface area? Also can I know what book you are using for references? Thanks in advance :)
hello sir, i struggle alot with question no. 33 type of questions as i dont understand the concept. do you have any videos where you explain in details? about the chapter? or do you recommend anything from the book? 1:02:01
GOT MY BIO PAPER 1 TMR SUCH A LIFE SAVER ONG TYY TYSMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM WISH ME LUCK GUYSSSSSSSSSSSSS
hey, thank you for the video, i had a question with respect to question number 9, but even so in general, why does the solubility of fats decrease as they go from being unsaturated to saturated? don't they now as saturated compounds have more hydrogen and should be able to form more hydrogen bonds with water?? please let me know, thanks in advance
when sucrose moves into the companion cell doesnt the H+ also move back into the cell from cell wall so doesnt the cell wall become less acidic and the ph increase for question 29
It's simply a matter of ridiculous wording by Cambridge. By using the word as, we're lead to believe that the statement refers to the changes happening *at the same time* as sucrose moving into the cell. But what they're referring to is the total process, to bring sucrose into the companion cell, the first step- pumping hydrogen ions into cell wall- reduces the pH. So to bring sucrose into the cell, the pH does decrease *in the beginning*. This nonsensical wording and trick is normal for cambridge.
q6, i didnt understand your explanation? I mean there is already glucose and when hydrolysis of sucrose happens there's EVEN MORE glucose AND fructose, and like you said there is a high concentration of reducing sugars, so i dont see why the answer cant be D. please help
the answer cannot be D because for N you are testing for a non-reducing sugar hence the color change for the row with glucose cannot be darker in N than the color change in M. Hence for N if M turns yellow N cannot be red because glucose is not a non reducing sugar therefore the test for non reducing sugar on glucose cannot give a darker color change because then that would mean there is a non reducing sugar present which is not the case.
when hydrolysis of sucrose happens yes there will be glucose and fructose so when the benedicts test is done the color change should be darker in N where the test for a non reducing sugar occurs compared to in M when they only did the benedicts test alone. Therefore the row with sucrose for C and D is correct, but D is ruled out because of the reason I first mentioned. A and B are obviously out because for A the row with glucose cannot remain blue because this shows that no sugars are present which is not true. B is out because the row with the mixture for M it cannot be blue because some glucose is present hence it should at least turn yellow( there has to be some sort of color change to show the presence of glucose)
I'm trying to follow number 23 but what you're saying isn't working on my calculator. I can't seem to work it out because I can't see your calculations
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q26, they're basically asking you which is the correct pair not the actual process of water passing through cells or the apoplast pathway being blocked. A is correct because the apoplast pathway involves moving through intercellular spaces, and the molecule in the Casparian strip in suberin. none of the other options have the right pair so A is the correct answer
(just wanted to put it here in case anyone else was confused by this question, because i was too :))
In q17, shouldn't the surface area of D be 864 (12x12x6), which makes the SA:V ratio as 0.5? So shouldn't the answer be B because it has the highest surface area?
Also can I know what book you are using for references?
Thanks in advance :)
Same but ms says its A
hello sir, i struggle alot with question no. 33 type of questions as i dont understand the concept. do you have any videos where you explain in details? about the chapter? or do you recommend anything from the book? 1:02:01
Your videos are awesome as always💯
Glad you like them!
GOT MY BIO PAPER 1 TMR SUCH A LIFE SAVER ONG TYY TYSMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM WISH ME LUCK GUYSSSSSSSSSSSSS
Same. Good luck
@@kabeersuleman5359 TYYYYYYYYYY MEANS ALOTT
chill
Hope it went well for you guys! :)
@@CAIEPapersSolved i only did concepts n watched all ur bio yearly vids rlly helped me it was so easyy thank you soo muchh❤❤❤
Hello could you please make a detailed video on the graph in question 32
On it! Will be uploaded along with my paper 13 solve video. Gave you a shoutout :)
hey, thank you for the video, i had a question with respect to question number 9, but even so in general, why does the solubility of fats decrease as they go from being unsaturated to saturated? don't they now as saturated compounds have more hydrogen and should be able to form more hydrogen bonds with water?? please let me know, thanks in advance
To form hydrogen bonds the H must be covalently bonded to either N,O or F
Pls most of ur working weren't visible could u pls find a way to correct that?
Hey! Thanks for pointing this out. I didn’t realise this when i uploaded this video. I’ll be re uploading this video as soon as possible!
@@CAIEPapersSolved alright thank you so much
Please do it sir. Thank you @@CAIEPapersSolved
Funny how the options to question 7 were right there 😂😂
Believe me,it wasnt.
Ikr 😂
Mam, how can we interpret black and white photomicrographs?
is there any website where they are available so we can see them before exams
give it a break son.
@@joy4467💀
hii in q36, do we have the term SURFACTANT in our coursebook/syllabus?
Can’t find anything
Yes we do
The 2022 version does have it. It is not a huge portion, just a paragraph. Check your textbook :)
when sucrose moves into the companion cell
doesnt the H+ also move back into the cell from cell wall
so doesnt the cell wall become less acidic and the ph increase
for question 29
It's simply a matter of ridiculous wording by Cambridge. By using the word as, we're lead to believe that the statement refers to the changes happening *at the same time* as sucrose moving into the cell. But what they're referring to is the total process, to bring sucrose into the companion cell, the first step- pumping hydrogen ions into cell wall- reduces the pH. So to bring sucrose into the cell, the pH does decrease *in the beginning*.
This nonsensical wording and trick is normal for cambridge.
q6, i didnt understand your explanation? I mean there is already glucose and when hydrolysis of sucrose happens there's EVEN MORE glucose AND fructose, and like you said there is a high concentration of reducing sugars, so i dont see why the answer cant be D. please help
the answer cannot be D because for N you are testing for a non-reducing sugar hence the color change for the row with glucose cannot be darker in N than the color change in M. Hence for N if M turns yellow N cannot be red because glucose is not a non reducing sugar therefore the test for non reducing sugar on glucose cannot give a darker color change because then that would mean there is a non reducing sugar present which is not the case.
when hydrolysis of sucrose happens yes there will be glucose and fructose so when the benedicts test is done the color change should be darker in N where the test for a non reducing sugar occurs compared to in M when they only did the benedicts test alone. Therefore the row with sucrose for C and D is correct, but D is ruled out because of the reason I first mentioned. A and B are obviously out because for A the row with glucose cannot remain blue because this shows that no sugars are present which is not true. B is out because the row with the mixture for M it cannot be blue because some glucose is present hence it should at least turn yellow( there has to be some sort of color change to show the presence of glucose)
Can I get pdf of this coursebook?
very grateful for u! pls never stop makin videos.. 🤍
❤️
@@CAIEPapersSolved will u ever solve topical past papers ?
I'm trying to follow number 23 but what you're saying isn't working on my calculator. I can't seem to work it out because I can't see your calculations
put (26/100 x 2600150) x 2 in your calculator
@@madi7442 thank you
Thank you so much
Goated!!!
you the goat
Нуржигит отсюда списал
bro talking a whole lotta nothing
🖐️🤠
🙌🫡
Thank you very much
You are welcome