Import Question JSON

Current Question (ID: 12151)

Question:

The unbranched stem is character of which gymnosperm:

Options:

1. Pinus
2. Cycas
3. Cedrus
4. Lycopodium

Solution:

Cycas is a gymnosperm that is characterized by an unbranched stem. The stem of Cycas is also thick and cylindrical, and it is covered with persistent leaf bases. The leaves of Cycas are large and pinnately compound, and they are arranged in a rosette at the top of the stem. Pinus, on the other hand, is characterized by a branched stem that gives rise to multiple branches and needles. Cedrus also has a branched stem, but it is a conifer that is characterized by its cone-shaped structure. Lycopodium is a lycophyte and not a gymnosperm, and it has a highly branched stem with small leaves.

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
}