Diet
12 flashcards to master Diet
Smart Spaced Repetition
Rate each card Hard, Okay, or Easy after flipping. Your progress is saved and cards are scheduled for optimal review intervals.
What is meant by a balanced diet?
A balanced diet contains all the necessary nutrients (carbohydrates, fats, proteins, vitamins, minerals, fibre, and water) in the correct proportions to meet an individual's needs for growth, repair, and energy.
What are the principal dietary sources and importance of carbohydrates?
Sources: Bread, pasta, rice, potatoes. Importance: Primary source of energy for bodily functions, such as muscle contraction during exercise or maintaining body temperature. Glucose is broken down in respiration to release energy.
What are the principal dietary sources and importance of fats and oils?
Sources: Butter, oils, nuts, fatty fish. Importance: Energy storage, insulation, and protection of organs. They also form cell membranes and are needed for hormone production, like testosterone and estrogen.
What are the principal dietary sources and importance of proteins?
Sources: Meat, fish, eggs, beans, lentils. Importance: Growth and repair of tissues, enzyme production, antibody formation.
What are the principal dietary sources and importance of Vitamin C?
Sources: Citrus fruits, green vegetables. Importance: Formation of collagen (important for skin, tendons, and ligaments), antioxidant, and boosts the immune system. A deficiency leads to scurvy.
What are the principal dietary sources and importance of Vitamin D?
Sources: Sunlight exposure, oily fish, fortified milk. Importance: Absorption of calcium from the gut for strong bones and teeth. A deficiency leads to rickets.
What are the principal dietary sources and importance of Calcium?
Sources: Dairy products, leafy green vegetables. Importance: Formation of strong bones and teeth, blood clotting, and muscle function.
What are the principal dietary sources and importance of Iron?
Sources: Red meat, liver, green vegetables. Importance: Component of hemoglobin in red blood cells, which carries oxygen. Iron deficiency leads to anemia.
What are the principal dietary sources and importance of Fibre (roughage)?
Sources: Fruits, vegetables, whole grains. Importance: Adds bulk to the diet, aiding in peristalsis and preventing constipation. Fibre is mostly undigestible plant material.
What are the principal dietary sources and importance of Water?
Sources: Drinks, fruits, vegetables. Importance: Solvent for metabolic reactions, transport of substances, temperature regulation.
What are the causes of scurvy?
Scurvy is caused by a deficiency of Vitamin C in the diet. Without enough Vitamin C, the body cannot produce sufficient collagen, leading to weakened connective tissues.
What are the causes of rickets?
Rickets is caused by a deficiency of Vitamin D or calcium in the diet. Lack of Vitamin D impairs calcium absorption, resulting in soft and weak bones, especially in children. Sunlight is a source for Vitamin D production.
Key Questions: Diet
What is meant by a balanced diet?
A balanced diet contains all the necessary nutrients (carbohydrates, fats, proteins, vitamins, minerals, fibre, and water) in the correct proportions to meet an individual's needs for growth, repair, and energy.
What are the causes of scurvy?
Scurvy is caused by a deficiency of Vitamin C in the diet. Without enough Vitamin C, the body cannot produce sufficient collagen, leading to weakened connective tissues.
What are the causes of rickets?
Rickets is caused by a deficiency of Vitamin D or calcium in the diet. Lack of Vitamin D impairs calcium absorption, resulting in soft and weak bones, especially in children. Sunlight is a source for Vitamin D production.
About Diet (7.1)
These 12 flashcards cover everything you need to know about Diet for your Cambridge IGCSE Biology (0610) exam. Each card is designed based on the official syllabus requirements.
What You'll Learn
- 3 Definitions - Key terms and their precise meanings that examiners expect
- 9 Key Concepts - Core ideas and principles from the 0610 syllabus
How to Study Effectively
Use the Study Mode button above to test yourself one card at a time. Try to answer each question before flipping the card. Review cards you find difficult more frequently.
Continue Learning
After mastering Diet, explore these related topics:
- 6.2 Leaf structure - 12 flashcards
- 7.2 Digestive system - 13 flashcards
Study Mode
Space to flip • ←→ to navigate • Esc to close
You're on a roll!
You've viewed 10 topics today
Create a free account to unlock unlimited access to all revision notes, flashcards, and study materials.
You're all set!
Enjoy unlimited access to all study materials.
Something went wrong. Please try again.
What you'll get:
- Unlimited revision notes & flashcards
- Track your study progress
- No spam, just study updates