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NEETBotanyCell - The Unit of Life

Timeline of Discoveries Year/Period A. First live cell observed 1. 1855 B. Nucleus discovered 2. 1838 C. Cell theory formulated 3. 1839 D. Explanation of cell division 4. 17th century

Options

  1. AA - 4, B - 2, C - 3, D - 1
  2. BA - 3, B - 1, C - 4, D - 2
  3. CA - 2, B - 4, C - 1, D - 3
  4. DA - 1, B - 3, C - 2, D - 4

Correct answer

A. A - 4, B - 2, C - 3, D - 1

Step-by-step solution

The first live cell was observed in the 17th century, the nucleus was discovered later, the cell theory was formulated around 1838-1839, and the explanation of cell division was provided in 1855.

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