Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 483)

Explanation The amount of protein for a healthy child aged 7-14 is approximately : 1g per kilogram of body weight for children with minimal activity 1.3g per kilogram of body weight for children completing moderate levels of exercise 1.6g per kilogram of body weight for children carrying out intense exercise

Explanation Sodium deficiency , also known as hyponatremia , can lead to: Imbalances in fluid volume in the vessels and tissues Fluid retention and swelling Muscle cramps Weakness Fatigue Seizures (in severe cases)

Explanation Sodium plays a crucial role in regulating the distribution of water in the body, as it helps control the amount of fluid in cells, tissues, and organs . It does this by: Regulating fluid balance and blood pressure Maintaining proper osmotic balance Facilitating the transport of water and nutrients into cells Sodium helps distribute water throughout the body, which is essential for various bodily functions, such as : Maintaining healthy blood pressure Supporting nerve and muscle function Regulating body temperature Facilitating waste removal

Explanation Sodium is present in various foods, including: Meats (especially processed meats) Eggs Table salt (sodium chloride) Fruits (in small amounts) Vegetables (in small amounts)

Explanation Magnesium plays a crucial role in: Developing and maintaining strong bones and teeth Regulating metabolic processes, such as energy production and glucose metabolism Supporting muscle and nerve function Maintaining healthy blood pressure and heart rhythm

Explanation The diseases caused by deficiency of Copper is: Anaemia Kidney problems Starvation Note : According to Sindh Textbook Board, Jamshoro

Explanation Calcium is an essential mineral found in various foods, including: Milk and dairy products (cheese, yogurt) Egg shells Dark green vegetables (broccoli, kale, spinach) Small fish (salmon, sardines) and their bones Fortified foods (cereals, juices) Calcium is crucial for: Building and maintaining strong bones and teeth Muscle function and contraction Nerve function and transmission Blood clotting and wound healing

Explanation Iron deficiency can lead to Anaemia , a condition characterized by: Low red blood cell count Pale skin Fatigue Shortness of breath Dizziness

Explanation Iron is an essential mineral that plays a crucial role in: Producing red blood cells (hemoglobin) Oxygen transport (binding to oxygen in lungs and releasing it to tissues) Energy conversions (supporting cellular metabolism)

Explanation Iron is an essential mineral found in various foods, including: Liver Dark green vegetables (spinach, kale, broccoli) Red meat Flour (enriched) Egg yolk Dried fruit ( apricots, prunes, raisins) Nuts (pistachios, almonds) Dried beans (lentils, chickpeas) Peas Poultry (chicken, turkey) Fish (tuna, salmon) Iron is crucial for : Oxygen transport in the blood Healthy red blood cells Immune function Brain function Physical performance

Explanation Vitamin C is essential for : Strengthening the immune system and Preventing Scurvy, a disease characterized by : Fatigue and weakness Bleeding gums and loose teeth Joint pain and swelling Poor wound healing Vitamin C is important for: Collagen production Iron absorption Antioxidant functions Supporting white blood cell function

Explanation Vitamin A deficiency can cause Night Blindness , as well as other health problems such as: Dry skin and eyes Impaired immune function Poor wound healing Increased risk of respiratory and urinary tract infections

Explanation Vitamin K is found in: Leafy green vegetables (like spinach, kale, and broccoli) Cruciferous vegetables (like cauliflower, cabbage, and Brussels sprouts) Fermented foods (like sauerkraut and kimchi) Some fruits (like blueberries, strawberries, and pineapple)

Explanation Vitamin A is found in: Carrots (beta-carotene, a precursor to vitamin A ) Cod-liver oil (rich in vitamin A) Oil (such as cod-liver oil, halibut-liver oil, and shark-liver oil) Additionally, vitamin A is also found in other foods like: Sweet potatoes Dark leafy greens (like spinach and kale) Squash Fatty fish (like salmon and mackerel) Egg yolks Dairy products (like milk and cheese)

Explanation Blue Whales have a thick layer of fat, known as blubber, under their skin that helps to keep them warm in cold water. This layer of fat can be up to 30 cm (12 in) thick and makes up about 50% of their body weight.

Explanation Fat provides approximately twice as much energy as the same amount of carbohydrate. This is because fat contains approximately 9 kcal/g (kilocalories per gram). Carbohydrate contains approximately 4 kcal/g.

Explanation Fats are found in various food sources , including: Oil (such as olive oil, coconut oil , etc.) Butter Margarine Seeds (such as sunflower seeds , pumpkin seeds, etc.) Nuts (such as almonds, walnuts , etc.)

Explanation Protein is referred to as "body building" food. Because it provides the necessary building blocks for growth, maintenance, and repair of tissues in the body. It is essential for building and repairing muscles , bones, skin, hair, and nails, as well as producing enzymes and hormones.

Explanation Milk, meat, eggs, and pulses are all rich sources of Protein, which is essential for: Building and repairing tissues Producing enzymes and hormones Maintaining healthy muscles, bones, and organs

Explanation Fruits and vegetables are rich in various vitamins, such as: Vitamin C ( citrus fruits , strawberries, bell peppers ) Vitamin A (sweet potatoes, carrots, dark leafy greens) Vitamin K (leafy greens, broccoli , cauliflower) Folate (dark leafy greens, citrus fruits, legumes )