Import Question JSON

Current Question (ID: 16288)

Question:
The process of competent cell formation include
Options:
  • 1. CaCl2 treatment- ice incubation with r-DNA, heat shock at 42 degree Celsius, ice incubation
  • 2. Ice incubation - CaCl2 treatment - Heat shock-Ice incubation with r-DNA
  • 3. CaCl2 treatment - Heat shock -Ice incubation with r-DNA
  • 4. Ice incubation - CaCl2 treatment - Heat treatment at 45 degree Celsius, Ice incubation with r-DNA
Solution:
NCERT page number 200-201 11.2 Tools of RDT 11.2.3 Competent host (For.... Biotechnology: Principles And Processes

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
}