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  1. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    no, they contain cell sap, sugars, salts, but they dont have starch, dont overthink the questions :D
  2. Abu mota

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

    and for Q.18 how did u know that the oxygen isnt allowed to enter?
  3. Abu mota

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

    for Q.18 shudnt it take some time because he starts to breathe rapidly? u cant start directly i think for Q.37 it says there is no limiting factors...
  4. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Q.6 photosynthesis occurs at the chloroplasts Q.27 it is B, this is the definition of development
  5. Abu mota

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

    also Oct/nov 1999 Q.18 and Q.37, i think there is something wrong with the MS, i think i did both of these questions and the answer for 18 was A and the answer for 37 was B, but imnt sure which papers. ty :D
  6. Abu mota

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

    Q.18 and Q.22 Summer 1999 Biology
  7. Abu mota

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

    Tyvm :)
  8. Abu mota

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

    yea sure, btw np i found out why for Q.16 but not sure about the one about the sea and river
  9. Abu mota

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

    tyvm but why isnt it the sea? also cud u help me with Q.16 in oct/nov 1998
  10. Abu mota

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

    Q.36 may/june 1998 Bio Q.27 may/june 1998 Bio and does anyone have 1998 paper? because in free exam paper Q.18,19,20,21 arent there :/ ty :D
  11. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    i also need help in may/june 1998 Q.36 i did it correct C but imnot sure why, can anyone plz explain it.
  12. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    does anyone have may/june 1998 for biology on free exam papers it isnt complete :/, or can anyone write for me Q.18,19,20,21 because they arent available at free exam paper plz and ty :D
  13. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    for Q.22 if u looked carefully u will see that they are all muscles and so they are affected directly either conract or relax, however at A they are not controlled by muscles it tells the liver to release the hormones, so this is the only one not affected directly. for Q.40 u need to add the...
  14. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    O/N 03 Q.13 doesnt open on xtremepapers J 04 Q.40 it isnt B because the direction of the flow is away from the garden so the sewage cant come back to the garden J 06 Q.12 it cant be A because there is a shape of a graph which u have to memorize and also when you increase the temperature from 20...
  15. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Q.9 in O/N 07 is D because barium sulfate is an insoluble salt and the B and C arent salt at all but potassium sulfate is the only soluble salt. Q.37 M/J 07 is C because only adding steam rquires a catalyst but the adding bromine doesnt. Q.37 O/N 06 doesnt open on xtremepapers :/
  16. Abu mota

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

    this didnt make sense :/ the shoot will only grow that way because of the light, there is no other factor which will cause it to grow that way, anyways im now sure that the tip detects the light and auxin is resposible for growth only.
  17. Abu mota

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

  18. Abu mota

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

    the auxin doesnt detect the light, only the tip does, auxin is just resposible for growth :/ as far as i know im not pretty sure though
  19. Abu mota

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

    ok i didnt read it carefully, but im very sure that it is D because tip is responsible for detecting the light and responding to the light and so without the tip the plant willnot know where is the light and so it will just grow upwards and so it is D and im very very sure EDIT: which paper is...
  20. Abu mota

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

    It is A because it says tip is removed so the plant won't grow at all
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