Import Question JSON

Current Question (ID: 11918)

Question:

Identify the organism that shows the following characteristics. (a) Zygotic meiosis (b) Causes red tide of the sea (c) Mesokaryon organisation (d) Whirling whips

Options:

1. Noctiluca
2. Gonyaulax
3. Melosira
4. Navicula

Solution:

Gonyaulax is a dinoflagellate that exhibits the characteristics mentioned: (a) Zygotic meiosis: Dinoflagellates like Gonyaulax undergo zygotic meiosis, where the zygote is the only diploid stage and undergoes meiosis immediately to produce haploid cells that develop into the next generation. (b) Causes red tide of the sea: Gonyaulax is known to cause 'red tide' or harmful algal blooms (HABs) in marine environments, resulting in the discoloration of water due to the high concentration of dinoflagellates. (c) Mesokaryon organization: Gonyaulax has a mesokaryotic organization, where its nuclear material is distributed throughout the cell in a characteristic pattern, which is intermediate between the eukaryotic and prokaryotic nuclear organization. (d) Whirling whips: Gonyaulax has two whip-like flagella that are responsible for its characteristic spinning or whirling motion in water.

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
}