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A level Biology: Post your doubts here!
i just did the working before, check the last pages, i have also attached an image of my working! -
biology practical
Nah it depends on us that how we add it up to 43. and check the variant 31, it explains well, The N in that variant can be ignored but J here cannot be. -
biology practical
Count the eye div for each layer, like for J i think they are 5, then for M they are 7 and so on, write the div and make sure that they all sum up to 43(Div given from K to R) and then make the diagram in the next part accordingly -
biology practical
Just count the div of eyepiece for each layer and then adjust them accordingly so that they all add up to the total no given to us. then according to those div draw in the next part proportionally. -
biology practical
hey, well i couldnt get u here, i didnt do it this way now that we have 16 stomata(as in ur case) in 1/4 part so for the whole we have 16x4=64. so there are 64 stomata in 0.8 mm^2 and per 1 mm^2 we should divide 64 by o.8mm^2 to get for 1mm^2. isn't it? -
A level Biology: Post your doubts here!
Refer the working first, they have given us keh 1 micrometer div is 0.01mm and look i can see that 10 micrometer div(bigger ones) equals to 42 eye piece div(smaller ones), so i'll work out that what is the length of 10 micrometer div. and the length is equal to 42 eyepiece div, so for one... -
A level Biology: Post your doubts here!
okay i'm posting a picture for the working in a while then i can explain u with that -
biology practical
But we aint using any kind of enzyme in the question? -
biology practical
Please help me with this, why are there two answers to the (V) part and the second one has no relation with the question itself. W10/35 -
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biology practical
Ohhokay, well, i personally think that yeast thing might not be there this time. Well lets see what it brings for us. May Allah help us all. Ameen -
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biology practical
For variant 34? How did you know that? i dont think so, yeast was there last year. -
biology practical
My pleasure, Ameen :) Stay blessed you too :) Remember me in ur prayers :) The proportion must be checked, like cuticle layer must be in the right proportions to the whole section, it must be thinner than palisade layer... etc :) Tough not as such, but the Mayjune 2013/34 question 1 was quite... -
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biology practical
Well Practice as many papers as u can find and that are easy to conduct in ur school lab, ask your school teacher to make u ppl carry out different kind of experiments like dilutions, food tests, use of visking tubing and etc. For plan diagram just draw whatever u are asked and whatever u see... -
A level Biology: Post your doubts here!
Why are there two parts of (V) in this question, this is w10, paper 35 Q1. i cant figure out any relation of this part with the question. Like from where did the enzyme come. -
biology practical
Why are there two (V) parts and the second (V) part is not related to the experiment. please i need help with this. Cant figure out if it is related or not! -
Percentile of AS Biology 9701
Well biology p.22 was quite average, it was difficult from all past years and not so very easy. Hoping for the threshhold to fall down. Inshaa Allah.