Olympiad Test: Food And Health - 1 - Class 5 Science Free MCQ with solutions

Malnutrition is the condition that results from a lack of essential nutrients, including energy and protein, in the diet. It can manifest in various forms, including stunted growth, muscle wasting, and overall weakness.

• Scurvy is caused by a deficiency of vitamin C.
• Beri beri is caused by a deficiency of vitamin B1 (thiamine).
• Malnutrition covers a broader spectrum and includes deficiencies in energy, protein, and other essential nutrients.

So, the correct answer is Option A: Malnutrition.

• Rickets in children and osteomalacia in adults are both deficiency diseases caused by a lack of Vitamin D. Vitamin D is essential for the proper absorption of calcium and phosphorus, which are crucial for the development and maintenance of strong bones.
• Iron deficiency leads to anemia.
• Iodine deficiency causes goiter and thyroid problems.
• Calcium deficiency leads to weakened bones, but the specific conditions of rickets and osteomalacia are directly linked to a lack of vitamin D, which impairs calcium absorption.

So, the correct answer is Option B: Vitamin D.

• Proteins and carbohydrates (Option A) and Vitamins and minerals (Option B) are both essential nutrients that provide the body with the necessary substances to function properly.
• Dal and rice (Option C) are food items that contain nutrients, but they are not nutrients themselves. These foods provide nutrients such as proteins, carbohydrates, vitamins, and minerals.

So, the correct answer is Option C: Dal and rice.

Roughage (also known as dietary fiber) helps the body get rid of undigested waste. It adds bulk to the stool and aids in its passage through the digestive system, promoting regular bowel movements and preventing constipation.

• Vitamins are essential for various body functions but do not directly help with waste removal.
• Proteins are used by the body for growth, repair, and other functions.
• Minerals are essential for various bodily functions, such as bone health and nerve function, but they do not directly aid in waste removal.

So, the correct answer is Option B: Roughage.

• Communicable diseases are also known as infectious diseases because they are caused by microorganisms (such as bacteria, viruses, fungi, or parasites) that can be transmitted from one person to another, either directly or indirectly.
• Non-infectious diseases are diseases that cannot be transmitted between individuals, such as genetic disorders or lifestyle-related diseases like heart disease.

So, the correct answer is Option A: Infectious.

Diseases like malaria and dengue are spread by the bite of infected mosquitoes.

• Malaria is caused by the Plasmodium parasite, transmitted through the bite of an infected Anopheles mosquito.
• Dengue is caused by the dengue virus, transmitted by the bite of an infected Aedes mosquito.

Neither sneezing, coughing, nor direct contact are the primary methods of transmission for these diseases.

So, the correct answer is Option D: Mosquito bites.

• Potato skin is a good source of fiber. The skin of potatoes contains dietary fiber, which is important for digestion and maintaining healthy bowel movements.
• A piece of pie, scrambled eggs, and a cup of yogurt are not significant sources of fiber.

So, the correct answer is Option C: Potato skin.

A person who does not eat meat should ensure they get enough protein and other essential nutrients that meat provides. Fish, beans, eggs, and nuts are good substitutes for meat as they are rich in protein, vitamins, and minerals.

• Option A (Eat less from the milk, yogurt, and cheese group) may not provide enough protein for someone not eating meat.
• Option B (Substitute pasta for meat) does not provide enough protein as pasta is mainly a carbohydrate source.
• Option C (Eat additional servings from all of the other groups) is not a specific strategy and may not ensure adequate protein intake.

So, the correct answer is Option D: Substitute fish, beans, eggs, and nuts for meat.

Minerals are responsible for strengthening muscles, bones, and teeth. Specifically, minerals like calcium and phosphorus play key roles in bone and teeth health, while other minerals like magnesium contribute to muscle function.

• Vitamins are essential for various bodily functions but are not directly responsible for strengthening muscles, bones, and teeth.
• Fats are important for energy storage and cell function but do not have a direct role in strengthening bones and muscles.
• Carbohydrates provide energy but are not involved in the strengthening of bones, muscles, or teeth.

So, the correct answer is Option B: Minerals.

While it is important to limit sodium (salt) intake to avoid health problems like high blood pressure, eliminating sodium entirely is not necessary or recommended. Sodium is an essential mineral that helps maintain fluid balance and is needed for proper muscle and nerve function.

• Eating a varied diet (Option A) ensures you get all the necessary nutrients.
• Avoiding foods high in fats and calories (Option B) is good for preventing obesity and heart disease.
• Avoiding too much sugar (Option C) helps prevent conditions like diabetes and tooth decay.

So, the correct answer is Option D: Eliminating sodium from your diet, as a little sodium is essential for health.