Problem 60 - Arihant Objective Approach to Organic Chemistry for IIT JEE and NEET all Medical Entrances Part 4

Question

Eye disease is caused by the deficiency of vitamin: (a) \(\mathrm{A}\) (b) \(\underline{B}\) (c) \(\mathrm{E}\) (d) \(\mathrm{K}\)

Step-by-Step Solution

Answer

The deficiency of vitamin A causes eye disease.

Step 1: Identify the Question Type

The question is asking about a vitamin deficiency that leads to an eye disease. This is a factual question about nutrition-related health issues.

Step 2: Recall Nutritional Knowledge

Recognize that certain vitamins are linked to specific health benefits. Vitamin A is particularly known for its role in maintaining healthy eyesight.

Step 3: Eliminate Irrelevant Options

We know that while vitamins B, E, and K have their health benefits, they are not primarily associated with eye health. Thus, options B, C, and D can be eliminated.

Step 4: Select the Correct Answer

Vitamin A deficiency is commonly known to cause eye problems, such as night blindness and in severe cases, can lead to more serious eye ailments.

Key Concepts

Nutritional knowledge

Understanding nutrition is crucial for maintaining good health. Nutritional knowledge encompasses the understanding of how various nutrients and vitamins affect our body.

Vitamin A plays an essential role in maintaining eye health. It is a fat-soluble vitamin found in foods like carrots, sweet potatoes, and red bell peppers. This vitamin is crucial for vision, immune functionality, and cellular communication. When consuming Vitamin A-rich foods, our body converts these nutrients into retinol, a form of Vitamin A that aids in eye health.

Having awareness about different vitamins helps in recognizing symptoms of deficiencies. For example:

• Vitamin C supports the immune system and skin health.
• Vitamin D is key for bone health.
• Vitamin B is important for energy production and brain function.

By understanding these roles, we can make informed decisions about our diet to prevent deficiencies.

Eye health

Eyesight is one of the most critical aspects of our sensory experiences. Maintaining eye health is important for overall well-being and quality of life.

Vitamin A is particularly vital when it comes to maintaining good vision. It is known for preventing conditions such as night blindness, where individuals find it difficult to see in low light conditions.

Other common eye issues related to Vitamin A deficiency include:

• Dry eyes, due to lack of lubrication.
• In severe cases, total blindness can occur if the deficiency isn't addressed.

A varied diet rich in vitamins, such as leafy greens, fish, and fruits, promotes good eye health. Nutrients like omega-3 fatty acids, zinc, and lutein also support vision health.

Factual question

Factual questions are direct and require specific factual information to answer. In the context of vitamins and health, these questions often test one’s knowledge about the roles of nutrients.

The original exercise is a factual question, asking which vitamin deficiency leads to eye disease. To answer such questions correctly, one must have researched or studied information beforehand.

Tips for tackling factual questions include:

• Reviewing and memorizing key facts related to the topic.
• Understanding the common associations between nutrients and their health benefits.
• Practicing questions related to the subject to build familiarity.

These strategies can help efficiently answer factual questions in exams or daily life scenarios.