Import Question JSON

Current Question (ID: 12323)

Question:

The placentation having only single ovule is

Options:

1. Marginal
2. Axile
3. Basal
4. Parietal

Solution:

Basal placentation is a type of placentation where a single ovule is attached to the base or bottom of the ovary. In basal placentation, the ovary is usually unilocular (having a single chamber) and the ovule is attached to the basal part of the ovary, also known as the placenta. The ovary wall is fused with the ovule-bearing placenta. Examples of plants with basal placentation include sunflower, marigold, and watermelon. Marginal placentation (option 1) is a type of placentation where the ovules are attached along the margin or edge of the ovary. Axile placentation (option 2) is a type of placentation where the ovules are attached to the central axis of a multi-chambered ovary. Parietal placentation (option 4) is a type of placentation where the ovules are attached to the inner wall or parietal region of a multi-chambered ovary. These types of placentation can have multiple ovules per chamber.

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
}