Organic compounds + Oxygen `rarr` Carbon dioxide + Water + Energy
In the equation above, what is a common term used to describe "organic compound"?

Options

A. Hydrocarbons
B. Food
C. Isomers
D. Functional groups

Answer

To answer the question, we need to identify a common term used to describe "organic compounds" in the context of the provided equation. Here’s a step-by-step breakdown of the solution:

### Step 1: Understand the Equation
The equation given is:
Organic compounds + Oxygen → Carbon dioxide + Water + Energy

This equation represents the process of aerobic respiration, where organic compounds react with oxygen to produce carbon dioxide, water, and energy.

**Hint:** Focus on what happens during aerobic respiration and the role of organic compounds.

### Step 2: Identify the Nature of Organic Compounds
Organic compounds are substances that contain carbon and are typically associated with living organisms. In the context of respiration, these compounds serve as the energy source.

**Hint:** Think about what substances are commonly used by living organisms for energy.

### Step 3: Consider Common Terms for Organic Compounds
In biological terms, organic compounds that are used for energy are often referred to as "food." This includes carbohydrates, fats, and proteins, but carbohydrates are the primary source of energy in many organisms.

**Hint:** Reflect on what we consume as energy sources in our diet.

### Step 4: Evaluate Other Terms
- Hydrocarbons: These are organic compounds consisting only of hydrogen and carbon, but they are not the general term for all organic compounds.
- Isomers: These are compounds with the same molecular formula but different structures, which is not relevant here.
- Functional Groups: These are specific groups of atoms within molecules that determine the characteristics of those molecules, but they do not encompass the entire category of organic compounds.

**Hint:** Eliminate terms that do not represent the broad category of energy sources.

### Step 5: Conclude the Answer
The common term used to describe "organic compounds" in the context of the equation is "food." This is because organic compounds serve as the energy source for organisms during the process of respiration.

**Final Answer:** Food