Class IX

Robert Brown discovered
  1. Protoplasm
  2. Nucleus
  3. Cell
  4. None of the above
Middle lamella is composed mainly of
  1. Protein
  2. Hemicellulose
  3. Carbohydrate
  4. Calcium pectate
Name of the process that requires energy provided by ATP -
  1. Diffusion
  2. Osmosis 
  3. Active transport 
  4. Plasmolysis
Camillo Golgi received nobel prize in 1906 for structure of
  1. Golgi apparatus
  2. Nervous system
  3. Nervous system
  4. Nucleus
The suffix S in ribosome unit indicates
  1. Solubility
  2. Sedimentation coefficient
  3. Surface Area
  4. Size
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