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Current Question (ID: 11858)

Question:

The five kingdom classification system was given by

Options:

1. 1968
2. 1969
3. 1965
4. 1966

Solution:

The five kingdom classification system was proposed by Robert H. Whittaker in 1969. He published his classification system in the article "New Concepts of Kingdoms or Organisms: Evolutionary Relations are Better Represented by New Classification System" in the journal Science in 1969. This system classified organisms into five major groups or kingdoms: Monera (prokaryotic organisms), Protista (eukaryotic organisms with diverse characteristics), Fungi (eukaryotic fungi), Plantae (eukaryotic plants), and Animalia (eukaryotic animals). Whittaker's five kingdom classification system was a significant advancement in the field of biological classification and is still widely used today, although it has been refined and updated with further research and discoveries.

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Expected JSON Format:

{
  "question": "The mass of carbon present in 0.5 mole of $\\mathrm{K}_4[\\mathrm{Fe(CN)}_6]$ is:",
  "options": [
    {
      "id": 1,
      "text": "1.8 g"
    },
    {
      "id": 2,
      "text": "18 g"
    },
    {
      "id": 3,
      "text": "3.6 g"
    },
    {
      "id": 4,
      "text": "36 g"
    }
  ],
  "solution": "\\begin{align}\n&\\text{Hint: Mole concept}\\\\\n&1 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\text{ moles of carbon atom}\\\\\n&0.5 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\times 0.5 \\text{ mol} = 3 \\text{ mol}\\\\\n&1 \\text{ mol of carbon} = 12 \\text{ g}\\\\\n&3 \\text{ mol carbon} = 12 \\times 3 = 36 \\text{ g}\\\\\n&\\text{Hence, 36 g mass of carbon present in 0.5 mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6].\n\\end{align}",
  "correct_answer": 4
}