Import Question JSON

Current Question (ID: 13643)

Question:

In Amphibia: I. Skin is moist without scales II. A tympanum represents the ear III. Fertilization is external 1. Only I and II are correct. 2. Only I and III are correct. 3. Only II and III are correct. 4. I, II, and III are correct.

Options:

1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. I, II, and III are correct.

Solution:

In Amphibia, all three statements are correct: I. Skin is moist without scales: Amphibians have permeable skin that allows for gas exchange, and their skin is typically moist to facilitate this process. Amphibians do not have scales like reptiles. II. A tympanum represents the ear: Amphibians have a tympanum, which is a thin, membranous structure that acts as an ear drum and helps them perceive sounds. III. Fertilization is external: Most amphibians exhibit external fertilization, where eggs are laid in water and fertilized by sperm outside the body.

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
}