Class VIII

Who discovered cell first time by observing cork?
  1. Alexander Fleming
  2. Robert Hook
  3. Leeuwenhoek
  4. Isaac Newton
Chloroplast is found in
  1. Plant cell only
  2. Animal cell only
  3. Both of these
  4. None of these
Several small coloured bodies in the cytoplasm of the cells of Tradescantia leaf are called ___.
  1. Organelle
  2. Plastids
  3. Vacuoles
  4. Mitochondria
The largest cell is of ___.
  1. bacteria
  2. human neuron
  3. egg of an ostrich
  4. egg of blue whale
Single celled organisms are called
  1. Unicellular
  2. Multi-cellular
  3. Both of these
  4. None of these
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