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All questions of Diet for Healthy Living for Class 9 Exam
What is the recommended way to assess BMI (Body Mass Index)?- a)Divide height by weight
- b)Subtract weight from height
- c)Multiply weight by height
- d)Divide weight in kilograms by the square of height in meters
Correct answer is option 'D'. Can you explain this answer?
a)
Divide height by weight
b)
Subtract weight from height
c)
Multiply weight by height
d)
Divide weight in kilograms by the square of height in meters
|
Radha Iyer answered |
BMI can be assessed by dividing the weight in kilograms by the square of the height in meters (kg/m²). It is a measure of body fat based on weight and height.
Which vitamin is water-soluble and plays a crucial role in collagen production?- a)Vitamin A
- b)Vitamin D
- c)Vitamin C
- d)Vitamin K
Correct answer is option 'C'. Can you explain this answer?
a)
Vitamin A
b)
Vitamin D
c)
Vitamin C
d)
Vitamin K
|
|
Radha Iyer answered |
Vitamin C is a water-soluble vitamin that is essential for collagen production, a protein that helps in wound healing, skin elasticity, and overall tissue health.
Which type of vitamin is stored in the body for future use and can be found in sources like oils and fats?- a)Water-soluble vitamin
- b)Protein-soluble vitamin
- c)Fat-soluble vitamin
- d)Mineral-soluble vitamin
Correct answer is option 'C'. Can you explain this answer?
a)
Water-soluble vitamin
b)
Protein-soluble vitamin
c)
Fat-soluble vitamin
d)
Mineral-soluble vitamin
|
|
Radha Iyer answered |
Fat-soluble vitamins, such as vitamin A, D, E, and K, are stored in the body's fat tissues and can be found in dietary sources like oils and fats.
Which food group is a good source of calcium?- a)Fruits
- b)Vegetables
- c)Milk and milk products
- d)Grains
Correct answer is option 'C'. Can you explain this answer?
a)
Fruits
b)
Vegetables
c)
Milk and milk products
d)
Grains
|
|
Radha Iyer answered |
Milk and milk products are excellent sources of calcium, which is essential for maintaining strong bones and teeth, among other functions in the body.
What is the main function of carbohydrates in the body?- a)Provide structural support
- b)Act as an energy source
- c)Aid in muscle repair
- d)Assist in blood clotting
Correct answer is option 'B'. Can you explain this answer?
a)
Provide structural support
b)
Act as an energy source
c)
Aid in muscle repair
d)
Assist in blood clotting
|
|
Radha Iyer answered |
Carbohydrates are primarily responsible for providing energy to the body. When consumed, they are broken down into glucose, which is used as the primary source of energy for various bodily functions.
Which nutrient is considered a medium for biochemical reactions in the body and helps transport food, chemicals, and gases throughout the body?- a)Carbohydrates
- b)Proteins
- c)Fats
- d)Water
Correct answer is option 'D'. Can you explain this answer?
a)
Carbohydrates
b)
Proteins
c)
Fats
d)
Water
|
|
Radha Iyer answered |
Water is considered a medium for biochemical reactions in the body and plays a crucial role in transporting food, chemicals, and gases throughout the body.
Why is it important to recommend a special diet for pregnant women?- a)To increase their caffeine intake
- b)To ensure they consume fewer nutrients
- c)To meet the additional nutritional needs of the growing fetus
- d)To promote weight loss during pregnancy
Correct answer is option 'C'. Can you explain this answer?
a)
To increase their caffeine intake
b)
To ensure they consume fewer nutrients
c)
To meet the additional nutritional needs of the growing fetus
d)
To promote weight loss during pregnancy
|
|
Radha Iyer answered |
A special diet for pregnant women is important to meet the increased nutritional needs of the growing fetus. It ensures that the mother and baby receive essential nutrients for healthy development.
What is the primary function of vitamin A in the body?- a)Boost immune system
- b)Support vision and skin health
- c)Aid in blood clotting
- d)Promote calcium absorption
Correct answer is option 'B'. Can you explain this answer?
a)
Boost immune system
b)
Support vision and skin health
c)
Aid in blood clotting
d)
Promote calcium absorption
|
|
Radha Iyer answered |
Vitamin A is primarily known for its role in supporting vision and maintaining healthy skin and mucous membranes. It is essential for good eyesight and skin health.
Which nutritional disorder is characterized by the softening and weakening of bones in children due to inadequate vitamin D?- a)Marasmus
- b)Rickets
- c)Beri beri
- d)Scurvy
Correct answer is option 'B'. Can you explain this answer?
a)
Marasmus
b)
Rickets
c)
Beri beri
d)
Scurvy
|
|
Radha Iyer answered |
Rickets is a nutritional disorder characterized by the softening and weakening of bones in children due to a deficiency of vitamin D, calcium, or phosphate.
Why is over-nutrition a concern for health?- a)It leads to vitamin deficiencies
- b)It promotes weight loss
- c)It can lead to obesity and related health issues
- d)It improves overall well-being
Correct answer is option 'C'. Can you explain this answer?
a)
It leads to vitamin deficiencies
b)
It promotes weight loss
c)
It can lead to obesity and related health issues
d)
It improves overall well-being
|
|
Radha Iyer answered |
Over-nutrition can lead to obesity and related health issues, such as heart disease, diabetes, and high blood pressure, which can have negative consequences for overall health.
Chapter doubts & questions for Diet for Healthy Living - Health and Physical Education for Class 9 2025 is part of Class 9 exam preparation. The chapters have been prepared according to the Class 9 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 9 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Health and Physical Education for Class 9
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