Don't take my word for this, but I don't think you will - I did the same thing for another question where you have to state the name for the hard protective surface on the eye, and I wrote Conjunctival instead of Conjunctiva

Reply 49

gabrieleluberti

4

Original post by Aeoleus

Don't take my word for this, but I don't think you will - I did the same thing for another question where you have to state the name for the hard protective surface on the eye, and I wrote Conjunctival instead of Conjunctiva

bloody hell... lets hope we both get it but its difficult.I got confused with exoplanet and forgot the word hahah

Reply 50

booksandcats

17

This gave me hope as I put most of the answers, yay!!! :smile:

Reply 51

ursulab1

4

Wait what the question about heart rate? Did it ask to explain or describe the change in heart rate?

Reply 52

Leah0

1

I also wrote white blood cell i think we'll get a point for that

Grade Boundaries ?

basically i took some questions asked my teacher and this is what he said...

1) Organelles
cell wall
cytoplasm

2)graph is lower

3)75%

9) when ur on your period you might have violent sex and therefore that is not reliable

Reply 55

Efe0909

2

For the greenhouse gas question would I get a mark for a).Burning fossil fuels and for b). Carbon Dioxide? Aswell for the menstrual cycle graph, should M not be before the first peak? Also, did we need for 11d would oxygen availability and the type of exercise the children are doing be valid control variables? Thanks in advance

Reply 56

jamesj477

10

Original post by niralishah

basically i took some questions asked my teacher and this is what he said...

1) Organelles
cell wall
cytoplasm

2)graph is lower

3)75%

9) when ur on your period you might have violent sex and therefore that is not reliable

Ur teacher is **** then haha
1 - an organelle is an organised structure within a cell, the answers are cell wall, vacuole and chloroplast
2 - thats pretty vague, u need to go into way more detail and use figures
3 - 13 x 6 = 78 million tonnes
9 - wtf, that doesn't even have anything to do with it. Sperm can stay in the fallopian tube for a while living of nutrients, and also menstruation doesn't necessarily mean the egg is released, it happens over a couple of days. The day of menstruation can also vary by a couple of days.

Reply 57

Leah0

1

Original post by nicoledaysie

THANK YOU SO MUCH FOR THIS! :smile:

I put Antibody and Lymphocyte for that protein table (don't know if i'm right though) and I wrote Carbon Dioxide for 3(b) - Is that right or did it have to be one of the 3 you mentioned?

I don't think you'll get a point for that as it said you had to give THREE OTHER gases, and carbon dioxide was already given in the question

Reply 58

niralishah

Guys listen yeah don't worry about the exam am like intuit man sometimes life gives us troubles but like mans we gotta oversome em in spirit and brotherhood. lets not loose all our oxygen worrying about the exam- cause we don't wanna be respiring anaerobically- producng lactic acid.

Reply 59

JackCollard

OP

2

Will add the Corrections.

Lots of you are asking for grade boundaries etc.

This was quite a hard paper in consideration of recent years as there wasn't much on the ',ain topics of biology that people tend to focus on.

Therefore the grade boundaries are likely to be slightly lower.

Recent 'Raw Mark Grades' which are the marks of ?/120 (P1) and ?/60 (P2) added together have been as low as 129/180 to as high as 138/180. [For ASTAR]
These have averages around 133/180 but i should imagine that we would be looking at 130-133 out of 180 overall.

In turn 90+ is a great score for this paper leaving you to get 40+ on paper two which is easily doable with some question predictions and some hard studying.

I hope this helps and thanks to all of you for you responses and discussion.

Provisional Mark Scheme For Edexcel IGCSE Biology Paper One 17th may 2016

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