Chapter-3 Health: The Ultimate Treasure — Online MCQ Test
SCIENCE · Grade 8 · CBSE(NCERT)
Practice Chapter-3 Health: The Ultimate Treasure with a free chapter-wise online MCQ test.
This chapter covers: balanced diet - nutrients - deficiency diseases - hygiene - pathogens - healthy lifestyle.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-3 Health: The Ultimate Treasure — Important Questions & Answers
What is a balanced diet?
- A. A diet containing only proteins
- B. A diet containing all nutrients in proper proportions
- C. A diet containing only carbohydrates
- D. A diet containing only fats
Answer: B. A diet containing all nutrients in proper proportions
A balanced diet contains carbohydrates, proteins, fats, vitamins, minerals, and water in appropriate proportions to maintain good health.
A balanced diet contains carbohydrates, proteins, fats, vitamins, minerals, and water in appropriate proportions to maintain good health.
Which of the following is NOT a macronutrient?
- A. Protein
- B. Carbohydrate
- C. Iron
- D. Fat
Answer: C. Iron
Iron is a micronutrient (mineral) needed in small quantities, while proteins, carbohydrates, and fats are macronutrients needed in larger amounts.
Iron is a micronutrient (mineral) needed in small quantities, while proteins, carbohydrates, and fats are macronutrients needed in larger amounts.
How many hours of sleep is recommended for Grade 8 students?
- A. 4-5 hours
- B. 6-7 hours
- C. 8-10 hours
- D. 11-12 hours
Answer: C. 8-10 hours
Children and adolescents require 8-10 hours of quality sleep per night for proper growth, development, and cognitive function.
Children and adolescents require 8-10 hours of quality sleep per night for proper growth, development, and cognitive function.
Compare the nutritional roles of fats and carbohydrates.
- A. Both have identical functions in the body
- B. Carbohydrates provide quick energy while fats store energy long-term and provide insulation
- C. Only carbohydrates are important for energy
- D. Only fats are needed for energy production
Answer: B. Carbohydrates provide quick energy while fats store energy long-term and provide insulation
Carbohydrates are the body's preferred energy source, providing quick fuel, while fats serve as stored energy and provide essential fatty acids and insulation.
Carbohydrates are the body's preferred energy source, providing quick fuel, while fats serve as stored energy and provide essential fatty acids and insulation.
Which of the following practices CANNOT prevent communicable disease transmission?
- A. Vaccination before disease exposure
- B. Proper sewage disposal
- C. Eating only packaged food
- D. Quarantine of infected individuals
Answer: C. Eating only packaged food
While packaged food may be safer, eating only packaged food doesn't prevent disease transmission through air, water, or contaminated surfaces.
While packaged food may be safer, eating only packaged food doesn't prevent disease transmission through air, water, or contaminated surfaces.