Cod and shark liver oil is a source of
(a) Constructive nutrients
(b) Protective nutrients
(c) Protective and constructive
(d) energetic nutrients

Options

A. Constructive nutrients
B. Protective nutrients
C. Protective and constructive
D. energetic nutrients

Answer

To solve the question regarding the source of nutrients from cod and shark liver oil, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks us to identify what type of nutrients cod and shark liver oil provide. The options given are constructive nutrients, protective nutrients, both protective and constructive, and energetic nutrients.

2. **Defining Nutrient Types**:
- **Constructive Nutrients**: These are nutrients that help in the production or synthesis of compounds in the body. They are involved in building tissues and repairing cells.
- **Protective Nutrients**: These nutrients help protect the body from diseases and ailments. They support the immune system and overall health.
- **Energetic Nutrients**: These are nutrients that provide energy to the body, such as carbohydrates and fats.

3. **Analyzing Cod and Shark Liver Oil**:
- Cod and shark liver oil are known to be rich in omega-3 fatty acids, which are beneficial for health.
- These oils contain various nutrients and minerals that contribute to preventing diseases and promoting health.

4. **Determining the Primary Function**:
- Since cod and shark liver oil are primarily known for their health benefits, particularly in protecting the body from ailments, they are classified as protective nutrients.
- They do not primarily serve as constructive nutrients because they do not play a significant role in the synthesis of body compounds.
- They also do not serve as energetic nutrients since their main function is not to provide energy.

5. **Conclusion**: Based on the analysis, cod and shark liver oil are best categorized as protective nutrients. Therefore, the correct answer is **(b) Protective nutrients**.