Problem 88 - Arihant Objective Approach to Organic Chemistry for IIT JEE and NEET all Medical Entrances Part 4

Question

A diet consisting of mainly rice is an adequate diet because it mainly consists of: [P (PMT) 1997] (a) carbohydrates (b) proteins (c) fats (d) vitamins

Step-by-Step Solution

Answer

(a) carbohydrates

Step 1: Understanding the Question

The question is about a diet that mainly consists of rice and asks which nutrient rice primarily provides.

Step 2: Main Nutrient in Rice

Rice is known to be a staple food, containing primarily carbohydrates. Carbohydrates are the major nutrient found in rice, providing energy for the body.

Step 3: Eliminating Other Options

Options b, c, and d can be eliminated because rice is not particularly high in proteins, fats, or vitamins. While it contains small amounts of these nutrients, carbohydrates are its main component.

Step 4: Selecting the Correct Answer

Based on the information that rice is rich in carbohydrates, the correct answer is option (a).

Key Concepts

Dietary Carbohydrates

Carbohydrates, often referred to as carbs, are an essential part of our diet. They serve as the body's primary energy source. When you eat carbohydrates, your body breaks them down into glucose, which your cells use for fuel. Carbohydrates are crucial for maintaining energy levels, especially for active individuals.
If we classify carbohydrates, they come in two main forms:

• Sugars - Simple carbohydrates like glucose and fructose.
• Starches - Complex carbohydrates found in grains, legumes, and tubers.

Rice, being a staple food, is packed with complex carbohydrates, primarily in the form of starch. These complex carbohydrates help sustain energy over longer periods, making rice an excellent food choice for maintaining steady energy throughout the day.

Nutritional Content of Rice

Rice is one of the most widely consumed staple foods in the world, known for its ability to provide sustained energy. Its nutritional profile is primarily dominated by carbohydrates, which make up the bulk of its caloric content. Beyond carbohydrates, rice does contain some amounts of other nutrients, though not as abundant.

• Protein - Rice contains a small amount of vegetable protein, which can contribute to daily protein needs.
• Fat - The fat content in rice is minimal, making it a low-fat dietary choice.
• Vitamins & Minerals - While not significant, rice includes trace amounts of vitamins and minerals like vitamin B and iron.

Although rice is low in vitamins and fats, its primary nutrient, carbohydrates, makes it popular in many dietary regimes. Especially in cultures where rice is a food staple, it is often complemented with other foods to balance nutrient intake.

Staple Food Nutrients

Staple foods are those that form the foundation of a traditional diet due to their availability and nutrient profiles. These foods, like rice, wheat, and maize, are central to the daily diet for many around the world. While the specific nutrient content can vary, they generally provide essential energy and some nutrients but might lack specific vitamins or amino acids found in other foods. Staple foods play a critical role due to:

• Accessibility - Widely grown and affordable options for many communities.
• Nutrient Density - Provide essential caloric intake mainly through carbohydrates.
• Complementary Diets - Often paired with other foods to provide a balanced meal. Rice, as a staple, offers a cheap and effective energy source, fitting seamlessly into different dietary patterns while being enhanced by other nutrient-dense foods. As part of a balanced diet, it contributes to nutritional variety, meeting at least some of the body's daily nutrient requirements.