• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Search results

  1. F

    Biology; Chemistry; Physics: Post your doubts here!

    It's because the water contained impurities. Impurities raise the boiling point of water/liquid. But as the thermometer is in contact with steam in air and not water it reads 100 as steam is pure.
  2. F

    Biology; Chemistry; Physics: Post your doubts here!

    yup :p
  3. F

    Biology; Chemistry; Physics: Post your doubts here!

    Positive side of batteri ki taraf.
  4. F

    Biology; Chemistry; Physics: Post your doubts here!

    Steel is a hard magnet.
  5. F

    Biology; Chemistry; Physics: Post your doubts here!

    Also good luck guys. Pray to Allah. May he bless us with a good paper and good grades. :D
  6. F

    Biology; Chemistry; Physics: Post your doubts here!

    i) Dioexious plants bear either male or female flowers. ii) Anthers and Stigmas mature at different times. iii) Stigmas of plants with bisexual flowers may be situated some distance away from anthers.
  7. F

    Biology; Chemistry; Physics: Post your doubts here!

    A vegetable that looks like brocolli or "dhanya".
  8. F

    Biology; Chemistry; Physics: Post your doubts here!

    Yeah that error thing is just a mistake. :p The length L should be at the eye level. And if the MS says it then it must be right. L should start from bottom of rings then. And it's a 2d diagram. There's no way to make out how close/far. They just need to see the dotted line with the eye at a...
  9. F

    Biology; Chemistry; Physics: Post your doubts here!

  10. F

    Biology; Chemistry; Physics: Post your doubts here!

    The celeary starks have a layer of epidermal cells. The epidermis prevents the cells in the stalk from expanding and a pressure acts on it from the cells. Cutting the stalk releases it's restrains. The cells expand and cause the strip to curl outwards.
  11. F

    Biology; Chemistry; Physics: Post your doubts here!

    Um shouldnt the curve start from above 0, considering there's the initial temperature?
  12. F

    Biology; Chemistry; Physics: Post your doubts here!

    Yoghurt. Heat milk to 90 then cool to 40. Add bacterial culture. Lactobacillus and Streptococcus. The bactera create an anaerobic condition and convert lactose, milk sugar into lactic acid. Lactic acid curdes milk protein, caesin. This forms the texture of the yoghurt. Flavouring may be added...
  13. F

    Biology; Chemistry; Physics: Post your doubts here!

    This a reflex. It's known as the Pattelar reflex. Just a bit different from the usual one :p
  14. F

    Biology; Chemistry; Physics: Post your doubts here!

    We only have this arc and the normal reflex arc with the relay :p
  15. F

    Biology; Chemistry; Physics: Post your doubts here!

    Incisors and Canines, Tear the food. Molars and Premolars, Grind and Chew the food. Tooth decay: Food remainders left in mouth > Acted on by bacteria > Release lactic acid > Corrodes Enamel of teeth. Prevention : Brushing, Eating less sweet things, Fluoride in toothpase
  16. F

    Biology; Chemistry; Physics: Post your doubts here!

    There is no relay neuron in knee jerk. It's a monosynaptic reflex meaning only one synpase, between the sensory and motor.
  17. F

    Biology; Chemistry; Physics: Post your doubts here!

    What the 4 types of teeth do and decay of teeth.
  18. F

    Biology; Chemistry; Physics: Post your doubts here!

    A complete ring of bark is cut off including phloem and cambium from a stem. Place the twig in water with the exposed part underneath water. Prepare another twig has a cut ring that has a cut ring above the water level Observe the twigs It is found that the twigs die and there's a swelling near...
  19. F

    Biology; Chemistry; Physics: Post your doubts here!

    A sample of radioactive carbon is given to the plant. The plant undergoes photosynthesis and sugar formed contain radiaoctive carbon. The stem is then cut and exposed to X-Ray Photographic film. It's found that the outer region in vascular bundles carry those sugars. The outer region in...
  20. F

    Biology; Chemistry; Physics: Post your doubts here!

    Tap water contains contaminents. We make sure that there are no contaminents left by washing with distilled water. And the hydrogen carbonate is used to check for presence of CO2 as it's yellow in presence of CO2 and red in absense.
Top