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  1. S

    General paper discussion

    How was bio? Like generally
  2. S

    Guess Paper of Biology paper 2

    Are u sure? Cause I've noticed all the difficult essay type questions come in the winter session :s
  3. S

    Guess Paper of Biology paper 2

    Highly doubt that would come..it's much too simple a prediction. But listen. June papers are always easier than the November ones na?
  4. S

    Biology; Chemistry; Physics: Post your doubts here!

    For artificial selection we can use sugar cane. A plant with high sugar content is bred with one which is resistant to diseases. Hybridisation results and the process is repeated over generations, with the traits passed down to offsprings. A time will arrive when a homologous is produced with...
  5. S

    Biology; Chemistry; Physics: Post your doubts here!

    I think you probably describe a vegetative propagation method. Like for layering you use lime tree as an exàmple and explain how a low branch with a node is bent down and a ring of bark about 5 cm wide is removed from it. The ringed portion is completely covered with moist soil while the end of...
  6. S

    General paper discussion

    The descriptive essay :) it's what I'm best at
  7. S

    Biology; Chemistry; Physics: Post your doubts here!

    *active transport. The cells of the nephrons respire to produce the energy
  8. S

    Biology; Chemistry; Physics: Post your doubts here!

    Could someone explain 8 or to me? :S
  9. S

    Biology; Chemistry; Physics: Post your doubts here!

    The dry mass of the food storage region would remain the same while that of the plumule and radicle would increase gradually, as the glucose acquired from photosynthesis would directly be transported to the growing regions and there wouldn't be any need for it to be stored. Since the plant is...
  10. S

    Biology; Chemistry; Physics: Post your doubts here!

    Smoke contains tar which is a carcinogenic and causes rapid growth of lung tissues. Carbon monoxide and other irritants destroy the cilia lining the inner walls of both the trachea and the bronchus/bronchioles, causing mucus to accumulate. Dust and bacteria get stuck to this mucus and induce a...
  11. S

    Biology; Chemistry; Physics: Post your doubts here!

    The brain sends a message to the renal tubule to select and reabsorb only certain chemicals from the glomerulus fluid as per the body needs
  12. S

    English 1123

    Could someone please give me a suitable recipients address for formal letters (regardless of any specific recipient). Just give me a formal address, which is not a house address!! Need it urgently
  13. S

    Biology; Chemistry; Physics: Post your doubts here!

    Or is that the superior vena cava?
  14. S

    Biology; Chemistry; Physics: Post your doubts here!

    Then shouldn't l be the right ventricle, since the pulmonary artery is energies from it?
  15. S

    Biology; Chemistry; Physics: Post your doubts here!

    What are the problems of recycled water in the household? Other than its quality and possible pathogenic agents still found in it?
  16. S

    Biology; Chemistry; Physics: Post your doubts here!

    But is the other lette marked st the ventricle?
  17. S

    Biology; Chemistry; Physics: Post your doubts here!

    On a hot day you sweat more so a large amount of water is lost through sweeting. To retain as much of the remaining water in the body as possible, the hypothalamus stimulates the pituitary to release ash, which helps to absorb more water in the nephorons. Hence the urine os concentrated
  18. S

    Biology; Chemistry; Physics: Post your doubts here!

    What's the answer to 3a tho? Are those the right ventricle/auricle?
  19. S

    Biology; Chemistry; Physics: Post your doubts here!

    It'll be inverted.
  20. S

    General paper discussion

    That's what my graph looked like, but the first reading crossed the spacing of the graph by a mm so I plotted it slightly above the graph paper...would that be marked correct? Cause if u take either 5 or 10 units per cm, the curve would fit in much less than 75% of the graph paper, which would...
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