Class XI

Which organelle is considered as a suicide bag?
  1. Centrosome
  2. Mesosomes
  3. Lysosomes
  4. Chromosome
Which organelle is the power house of the cells?
  1. Plastids
  2. Mitochondria
  3. Golgi
  4. Nucleus
Who used the word ‘protoplasm first time for living cells?(
  1. Robert Hooke
  2. Leeuwenhoek
  3. Purkinje
  4. Robert Brown
Which cell organelle plays a crucial role in detoxifying many poisons and drugs?
  1. Golgi Apparatus
  2. Lysosomes
  3. Smooth Endoplasmic Reticulum
  4. Vacuoles
The main constituent of cell-wall is
  1. Starch
  2. cellulose
  3. protein
  4. none of these
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