Cell membrane is

A. permeable

B. semipermeable

C. selectively permeable

D. impermeable

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  1. The major ingredient of leather is
  2. Earth's seasons are caused by which of the following?
  3. Which of the following is in liquid form at room temperature ?
  4. When a gas is turned into a liquid, the process is called
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  6. The location and energy of an electron in an atom can be specified by
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  8. The metal that is present in Photo Films is
  9. Apparatus invented by Archimedes is :
  10. Glass is made from the mixture of
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  13. The chemial name of Uria is
  14. According to Daltons atomic theory the smallest particle which can exist independently is
  15. Pollination by birds is called
  16. Brass gets discoloured in air due to the presence of which gas in air
  17. Rust is
  18. In an atomic nucleus, neutrons and protons are held together by
  19. Lightening cause rainfall because
  20. The removal of top soil by water or wind is called
  21. Which of the following characters is not shown by hydrogen
  22. The smallest functional and structural unit of kidney is called as
  23. The fastest acting enzyme in the biological kingdom is
  24. Which of the following is the lightest metal ?
  25. The solar eclipse occurs when
  26. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  27. Polythene is industrially prepared by the polymerisation of
  28. Cell membrane is
  29. The formula of Plaster of Paris is
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