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  1. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    tyvm, and yes, fior Q.4 the sepal is removed and for Q.40 yea u r right, i made a stupid mistake. ty again :)
  2. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    ok i will show u what is wrong on what u said, first of all the uterus lining is repaired by the oestrogen which is released by the follicle, the oestrogen also stimulates ovulation, and so before ovulation the lining is actually fully repaired, and u can see that from the question and u can see...
  3. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    repair the broken uterus lining means building it :/
  4. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    no u need the graph, u use week 2 not 3 :/, he is saying ovulation which occurs after two weeks, u dont need this explanation imnot even sure if its correct :/, because oestrogen is used to repair the lining but then when the egg is released, the follicle which released the oestrogen is turned...
  5. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    :)
  6. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    look at the graph, ovulation usually occurs after about two weeks and if u looked at the point 2 weeks u will find that both levels are high
  7. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    tyvm :D i have another question srry for may/june 1994 Q.17 and Q.40 and for Q.4 are the sepals rlly removed after fertilisation??
  8. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Q.37 may/june 2002 :D
  9. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    ty and srry to bother you again but Q.29 may/june 2001, i have no idea how to do it :/
  10. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    huh? Q.23 talks about the eye not the kidneys and i dont know rlly about if it is B or A
  11. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    it is an organ, i did a paper today and it said what is the level of organisation of an artery and the answer was organ, i think it is may/june 1999 but im not sure though :/, it is an artery because it has a muscle tissue and an elastic tissue forming an organ :D
  12. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    but shudnt it take time for the breathe rate to increase? i mean when u do sport u dont breathe deep and fast that fast, it takes some time doesnt it? also i have a question for O/N 2000 Q.23 X and Y are both pointing at the same exact thing :/
  13. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    oct/nov 1999 Q.18 and Q.37 is there something wrong in the ms or not? may/june 1999 i dont understand Q.18 and Q.22 plz help and ty :D
  14. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    it is C, u mean 14 right?
  15. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Yes, he need muscles to do the hard work and so he needs proteins, water because it's hot and also energy is needed for hard work
  16. Abu mota

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    soda lime absorbs the CO2 produced and so O2 and CO2 concentration decrease, decreasing the pressure and so liquid moves to the left, but at Q, the CO2 produced is not absorbed and the concenetration of gases stays the same (oxygen in=carbon dioxide out) and so there is no change in pressure...
  17. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    yea ur right for Q.10 i didnt read the part where it said cut into two srry, i thought they are different potatoes but for Q.8 the time increases for the nerve impulse to pass, impulse travels slower under the effect of alchohol :)
  18. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    shudnt 8 be D? shudnt 10 be D also? because they dont have the same parent, i think :/
  19. Abu mota

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    first column is just to confuse you, look at the last two, only water and glucose decrease and so the answer is A
  20. Abu mota

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    oct/nov 1999 Q.18 and Q.37 is there something wrong in the ms or not? may/june 1999 i dont understand Q.18 and Q.22
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