Petroleum plays a significant role in our day to day lives, crude oil is also called____________.

Options

A. Black gold
B. Black rose
C. Black diamond
D. Black crude

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for an alternative name for crude oil, which is a significant component of petroleum.

2. **Identifying the Options**: The options provided are:
- Black gold
- Black rose
- Black diamond
- Black crude

3. **Analyzing Each Option**:
- **Black Gold**: This term is commonly used to refer to crude oil due to its high value in the economy.
- **Black Rose**: This term does not relate to crude oil or petroleum.
- **Black Diamond**: This term is often used metaphorically to describe the value of crude oil, comparing it to diamonds due to its importance and rarity.
- **Black Crude**: This term refers to the unrefined state of crude oil but is not a widely recognized alternative name.

4. **Choosing the Correct Answer**: Among the options, "Black Gold" is the most recognized term for crude oil. However, the video transcript states that crude oil is referred to as "Black Diamond" due to its color and significance.

5. **Final Answer**: Crude oil is also called **Black Gold**.