# DBT JRF 2022 — Question 4

Exam: DBT JRF 2022 · Section: B · Topic: Cell Biology › Cell & Organelle Size Comparison · Difficulty: Medium

## Question

How many times is the Ostrich egg bigger than the mitochondrion? ![figure](https://res.cloudinary.com/dxil5euku/image/upload/v1779453124/pyq/6a104cb5920734408bc0c6d8/DBTJRF22-IMGB4.png)

## Options

- **A.** 100
- **B.** 1000
- **C.** 10000
- **D.** 100000

## Answer

Option D

## Explanation

Scale comparison: Ostrich egg vs. mitochondrion: From the image ![figure](https://res.cloudinary.com/dxil5euku/image/upload/v1779453124/pyq/6a104cb5920734408bc0c6d8/DBTJRF22-IMGB4.png) : • Ostrich egg diameter ≈ 150 mm = 150,000 µm • Mitochondrion diameter ≈ 1–2 µm (typically 1 µm) Ratio: $\frac{150{,}000\,\mu\text{m}}{1.5\,\mu\text{m}} \approx 100{,}000\times$ Answer: 100,000 times bigger (Option 4).

Source: https://mypyqbuddy.com/questions/how-many-times-is-the-ostrich-egg-bigger-6a104cd5920734408bc0c713