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** LC BIOLOGY 2014 - Before and after discussion **

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    #332
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    BlueCat01 wrote: »
    Did anyone get the answer to this?

    Name a group of organisms in which the XY chromosome pair gives rise to a different sex than in cattle.

    I said seahorse but not sure

    not on the course apparently. Answer was butterflies


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    #333
    BlueCat01
    Registered Users Posts: 14 ✭BlueCat01


    I was just wondering! I was wrecking my brain through that exam for an answer


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    #334
    Fiske
    Registered Users Posts: 65 ✭✭Fiske


    Totally avoidable Plants and non-existant Human Rep, lots of Blood and Heart goodness and I still can't believe the Microscope exp. This paper was so tailored to my needs that I just wanna hug whoever made it. But now...on to le francais.


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    #335
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    BlueCat01 wrote: »
    I was just wondering! I was wrecking my brain through that exam for an answer

    Yeah I was so unsure i was thinking that mabye female angus cattle were XY :S

    In the end I made a slightly un educated guess of 'fish'.


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    #336
    LmnadZ
    Registered Users Posts: 71 ✭✭LmnadZ


    XtotheZ wrote: »
    not on the course apparently. Answer was butterflies
    Hey you could have said humans or am I wrong?
    Fiske wrote: »
    Totally avoidable Plants and non-existant Human Rep, lots of Blood and Heart goodness and I still can't believe the Microscope exp. This paper was so tailored to my needs that I just wanna hug whoever made it. But now...on to le francais.

    Very true.Those Who made this paper deserve a round of applause in my opinion:D.How easy could it get with that breathing question(long q).


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    #337
    Fiske
    Registered Users Posts: 65 ✭✭Fiske


    LmnadZ wrote: »
    Hey you could have said humans or am I wrong?

    Nah, XY is male in humans as well.

    I guessed seahorses but I'm pretty sure the XYs are male there too, it's just that the males get preggers. Never knew that about butterflies at all, that's my fact for the day :D


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    #338
    Peregrine
    Moderators, Education Moderators Posts: 26,399 Mod ✭✭✭✭Peregrine


    LmnadZ wrote: »
    Hey you could have said humans or am I wrong?

    Human males have XY chromosomes.


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    #339
    bb1234567
    Registered Users Posts: 5,496 ✭✭✭bb1234567


    forevergold22 wrote: »
    Would you mind expanding on this please? I wrote something and I want to know if it's similar to what I said thanks :)

    Capture animals, mark them in a way that doesnt hurt them or make vulnerable to prey. Let them go. Come back a few days later and catch the same number of animals again. Count the ones that have a mark from the first time you caught them.
    Number of animals caught first time x number of animals caught second time divided by number of animals caught second time who were marked first time = estimated population
    Hope I helped :)


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    #340
    LmnadZ
    Registered Users Posts: 71 ✭✭LmnadZ


    Nimrod 7 wrote: »
    Human males have XY chromosomes.

    Fiske wrote: »
    Nah, XY is male in humans as well.

    I guessed seahorses but I'm pretty sure the XYs are male there too, it's just that the males get preggers. Never knew that about butterflies at all, that's my fact for the day :D

    Oh thx guys read the Q wrong oh we'll there is some marks.


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    #341
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    If I just said a quantative survey and talked about capturing the animals by non lethal means and counting them would I get marks?


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    #342
    alanwutrudoing
    Registered Users Posts: 1 ✭alanwutrudoing


    Nimrod 7 wrote: »
    Human males have XY chromosomes.

    The answer was butterflies </3 I just randomly put down bacteria?


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    #343
    Brensthehen
    Registered Users Posts: 2 ✭Brensthehen


    kates339 wrote: »
    I did!! Thankfully someone else :o did the plant cell experiment instead of animal :(:( only realised when i came out!

    not really sure how to use this ! but my god it was truely sick! awh no that's Awful! i tell yah i think i have brought rambleing in a biology exam to a whole new level ahhaha!


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    #344
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    BpysNRMIMAATZH0.png


    Few more marks??


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    #345
    MegGustaa
    Registered Users Posts: 232 ✭✭MegGustaa


    XtotheZ wrote: »
    BpysNRMIMAATZH0.png


    Few more marks??

    If you've managed to live for 18 years and not know that memory loss is a symptom of Alzheimer's you need to get your own head checked


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    #346
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    MegGustaa wrote: »
    If you've managed to live for 18 years and not know that memory loss is a symptom of Alzheimer's you need to get your own head checked

    Completely agree but I can see where there coming from


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    #347
    Fiske
    Registered Users Posts: 65 ✭✭Fiske


    MegGustaa wrote: »
    If you've managed to live for 18 years and not know that memory loss is a symptom of Alzheimer's you need to get your own head checked

    Yeah the Alz bit of that question was mostly common sense from what I saw and the little bone bit was really nice in fairness, only reason I didn't do the Q is because of that bit about neurons and stuff in the middle which I hadn't got to revise.


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    #348
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    Completly agree with the diagram! at first I thought it was a foot then when I turned it side ways it looked like a flexed bisep then upside down it looked like a guy kneeling and DAMMIT


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    #349
    Mario95
    Registered Users Posts: 131 ✭✭Mario95


    MegGustaa wrote: »
    If you've managed to live for 18 years and not know that memory loss is a symptom of Alzheimer's you need to get your own head checked

    u mad? If it really is so obvious then why put in on HL Biology????
    I had no idea what Alzheimer's was, and asking that was't fair.

    I assumed its Parkinson's since it was the only one in the book.
    They are asking whatever they want, they don't care about the students... they are some incompetent lazy retards.


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    #350
    Ace_Ace
    Registered Users Posts: 9 ✭Ace_Ace


    Okaay im probably totally stupid for asking this but was the first experiment on germination or digestion? It seemed like digestion although it said germination..?


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    #351
    Fiske
    Registered Users Posts: 65 ✭✭Fiske


    Ace_Ace wrote: »
    Okaay im probably totally stupid for asking this but was the first experiment on germination or digestion? It seemed like digestion although it said germination..?

    It was germination in seeds, wasn't it? The one where you put one in the freezer, one without water, one without...I don't know, I didn't revise plants at all xD But I think that's what it was.

    edit: nope I'm full of sh*te it was germination first and then digestion for the rest xD


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    #352
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    Ace_Ace wrote: »
    Okaay im probably totally stupid for asking this but was the first experiment on germination or digestion? It seemed like digestion although it said germination..?

    digestion... I hope??????


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    #353
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    It was digestion, the first part of the question was all about germination, then the rest was digestion


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    #354
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    what was the neutrient medium? It was something I heard before the exam but couldnt remember. Not agar


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    #355
    MegGustaa
    Registered Users Posts: 232 ✭✭MegGustaa


    Mario95 wrote: »
    u mad? If it really is so obvious then why put in on HL Biology????
    I had no idea what Alzheimer's was, and asking that was't fair.

    There is an expectation that as a student of Biology you have a certain general knowledge about common disorders. Alzheimer's is a very well-known illness, most people would know it has something to do with memory loss at the very least.

    I know strictly speaking they shouldn't put stuff on the paper that isn't on the course but, unlike that XY question that was very obscure, Alzheimer's sort of falls into that general knowledge realm. I think it was fair enough.


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    #356
    Ace_Ace
    Registered Users Posts: 9 ✭Ace_Ace


    Badwulf wrote: »
    It was digestion, the first part of the question was all about germination, then the rest was digestion

    Yeah thats what i thought, it was very amibiguously phrased though..


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    #357
    MegGustaa
    Registered Users Posts: 232 ✭✭MegGustaa


    XtotheZ wrote: »
    what was the neutrient medium? It was something I heard before the exam but couldnt remember. Not agar

    I said Agar for the medium and Starch for the substance added to it. We used Starch Agar plates for this experiment in school so...


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    #358
    Ace_Ace
    Registered Users Posts: 9 ✭Ace_Ace


    XtotheZ wrote: »
    what was the neutrient medium? It was something I heard before the exam but couldnt remember. Not agar

    Malt extract agar i think


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    #359
    XtotheZ
    Registered Users Posts: 391 ✭✭XtotheZ


    Ace_Ace wrote: »
    Malt extract agar i think

    I said skimmed milk agar and yes i just googled it and its a real thing.

    Yeah i said i added starch but didnt really have a clue


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    #360
    krisfoster8
    Registered Users Posts: 98 ✭✭krisfoster8


    Not a bad paper overall I thought, just a different type of paper than we're used to.. What did yous get for this?

    "Suggest what could happen to biological diversity as the human population continues to increase?"


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    #361
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    MegGustaa wrote: »
    There is an expectation that as a student of Biology you have a certain general knowledge about common disorders. Alzheimer's is a very well-known illness, most people would know it has something to do with memory loss at the very least.

    I know strictly speaking they shouldn't put stuff on the paper that isn't on the course but, unlike that XY question that was very obscure, Alzheimer's sort of falls into that general knowledge realm. I think it was fair enough.

    Just because you think the signs of Alzheimer's are general knowledge it doesn't mean everyone knows it? Do you know the signs of Tardive Dyskinesia? You should because its common sense in my opinion.


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