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  1. X

    Physics MCQs thread.

    oh, its that question from O/N 2010 right? i don't get it either.
  2. X

    Biology mcq's help ...

    cause the answer option has the word ONLY. which makes it not so true anymore because earthworm and beetles which are not invertebrates can move in too. plus, they don't have the word ONLY in option A.
  3. X

    Error In Biology Mcq's!!!!

    note that in jun08, the question wants SOLUTE POTENTIAL and that in nov 03, the question wants SOLUTE CONCENTRATION to make it easy for a lot of solute, the solute concentration is high and the solute potential is low. CLEAR?
  4. X

    Physics MCQs thread.

    can i have them? and O/N 01, do u have them too?
  5. X

    Physics MCQs thread.

    YUBAKKKK!!! where are you, time to reveal the answer before it's too late!!!! you don't reveal the answer we cannot answer your doubts for sure!
  6. X

    Biology MCQ thread..!!

    answer is D. HIV is a virus, not a bacteria. HIV does not have cell surface membrane, no ribosomes and does not respire.
  7. X

    Physics MCQs thread.

    whats the ans? c?
  8. X

    Physics MCQs thread.

    yup. the question wants to know at which time base setting we can see and differentiate impulses clearly if we use A, then the impulses will b too close togther C and D are too large that one impulse cannot fit into the 10cm screen.
  9. X

    Physics MCQs thread.

    Q5 O/N10 rotating 3000 revolutions per minute meaning 1 revolution = 60/3000 = 0.02s now moving to the answers. A. 1s B. 0.01s C. 0.0001s D. 0.0000001s so obviously its B
  10. X

    Biology MCQ thread..!!

    Q38. the ans is D because plants respire in order for photosynthesis to occur photosynthesis helps them grow and and the chemical reactions of photosynthesis are the 'other life processes' Q27. ans is D low atmospheric humidity leads to a great difference in the water potential of plants and...
  11. X

    bio mcq....?

    quit freaking cursing. In our mind, we always think that from each level to another level it would be 10%. This is not true. The 10% is the overall efficiency of transfer of energy from the producer to primary consumer (in the textbook, it says that it is rarely greater than 10% , pp 93). That...
  12. X

    Physics MCQs thread.

    m1v1 = m2v2 2 x 2 = 1 x v v = 4ms-1 E = 1/2 x m x v2 + 1/2 x m x v2 E = 1/2 x 2 x 2^2 + 1/2 x 1 x 4^2 E = 12J
  13. X

    bio mcq....?

    quit freaking cursing. In our mind, we always think that from each level to another level it would be 10%. This is not true. The 10% is the overall efficiency of transfer of energy from the producer to primary consumer (in the textbook, it says that it is rarely greater than 10% , pp 93). That...
  14. X

    Physics MCQs thread.

    F= Eq F = 3 x 10^7 x 1.6 x 10 ^(-19) F = A the q is always the charge of the charge that is moving, not the charge of the electric field
  15. X

    Physics MCQs thread.

    it wants the ADDITIONAL strain energy. so at 6N, the extension is 0.03m, E = 0.09 then when it is extended another 0.01m, it becomes 0.04m which is 8.0N the E = 0.16 0.16-0.09 = 0.07J
  16. X

    oct nov 2007 bio mcq help

    ans : C?
  17. X

    oct nov 2007 bio mcq help

    the answer is C phospholipid dissolves in ethanol protein denatures is extreme pH
  18. X

    oct nov 2007 bio mcq help

    shorter the wavelength, the higher the resolution
  19. X

    bio mcq's ..may / june 2006 help

    oh yes, all BACTERIA have ribosomes and cell surface membrane BUT HIV is a virus, not a bacteria hence HIV does not have ribosomes, no cell surface membrane and does not respire
  20. X

    Physics MCQs thread.

    the PRINT NOT CLEAR explains ALOT!! wth..lol
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