Import Question JSON

Current Question (ID: 11369)

Question:

Light harvesting complexes are made up of-

Options:

1. proteins
2. pigments
3. protein and pigments
4. proteins and lipids.

Solution:

Light harvesting complexes (LHCs) are composed of both proteins and pigments. The pigments present in LHCs are chlorophylls and carotenoids which are responsible for absorbing light energy and transferring it to the reaction center of photosystems. The proteins in LHCs serve as a scaffold to hold the pigments in a specific arrangement that maximizes energy transfer efficiency. These pigments absorb light at different wavelengths and transfer the energy to the reaction center chlorophyll, which initiates electron transfer to the electron transport chain. The proteins also help to protect the pigments from damage by excess light and other environmental stressors.

Import JSON File

Upload a JSON file containing LaTeX/MathJax formatted question, options, and solution.

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
}