**Core Concept:** Pulses are a type of legume known for their nutritional value, particularly their high protein content. They are a staple food in various cuisines worldwide and play a crucial role in promoting a balanced diet.

**Why the Correct Answer is Right:** The correct answer, **D. Lentils**, is the highest in protein content among the given options. Lentils are an excellent source of essential amino acids, which are the building blocks of proteins. They contain approximately 26 grams of protein per 100 grams, making them the richest source among the provided options.

**Why Each Wrong Option is Incorrect:**

A. **Fava Beans (Broad Beans):** Although fava beans are a rich source of protein, they are not as high in protein content as lentils. They contain around 22 grams of protein per 100 grams.

B. **Chickpeas:** Chickpeas have a moderate protein content, ranking lower than both lentils and fava beans. They provide approximately 18 grams of protein per 100 grams.

C. **Green Peas:** Green peas are another legume but have the lowest protein content among the options, providing around 15 grams of protein per 100 grams.

**Clinical Pearl:** High-protein diets can help maintain muscle mass, support wound healing, and contribute to overall health. Incorporating legumes like lentils, fava beans, chickpeas, and green peas into your diet provides essential nutrients while adhering to a balanced eating plan.

**Correct Answer:** **D. Lentils** are the highest in protein content among the given options, making them an excellent choice for individuals seeking to increase their protein intake.