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All questions of First Aid and Safety for Grade 9 Exam
What is the condition 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 the condition characterized by the softening and weakening of bones in children due to inadequate vitamin D. Vitamin D is essential for proper calcium absorption and bone health.
What is the source of calcium in the diet?- a)Meat
- b)Wheat
- c)Milk and milk products
- d)Fruits
Correct answer is option 'C'. Can you explain this answer?
a)
Meat
b)
Wheat
c)
Milk and milk products
d)
Fruits
|
|
Radha Iyer answered |
Milk and milk products are a primary source of calcium in the diet. Calcium is essential for bone health and various other bodily functions.
What percentage of the body weight is made up of water?- a)20%
- b)50%
- c)70%
- d)90%
Correct answer is option 'C'. Can you explain this answer?
a)
20%
b)
50%
c)
70%
d)
90%
|
|
Radha Iyer answered |
Approximately 70% of the human body's weight is made up of water. Water is essential for numerous bodily functions, including digestion, circulation, and temperature regulation.
What is the main function of carbohydrates in the body?- a)To repair muscle tissues.
- b)To store energy for future use.
- c)To protect against diseases.
- d)To facilitate biochemical reactions.
Correct answer is option 'B'. Can you explain this answer?
a)
To repair muscle tissues.
b)
To store energy for future use.
c)
To protect against diseases.
d)
To facilitate biochemical reactions.
|
|
Radha Iyer answered |
Carbohydrates are the main source of energy for the body. They provide a quick and easily accessible source of energy that our cells can use for various functions, including physical activity and maintaining basic bodily functions.
How is BMI (Body Mass Index) calculated?- a)Dividing weight in kilograms by height in meters
- b)Dividing weight in pounds by height in inches
- c)Dividing height in meters by weight in kilograms
- d)Adding weight and height together
Correct answer is option 'A'. Can you explain this answer?
a)
Dividing weight in kilograms by height in meters
b)
Dividing weight in pounds by height in inches
c)
Dividing height in meters by weight in kilograms
d)
Adding weight and height together
|
|
Radha Iyer answered |
BMI (Body Mass Index) is calculated by dividing the weight in kilograms by the square of the height in meters (kg/m^2). It is a commonly used measure to assess whether an individual's weight is in a healthy range relative to their height.
Why is it important for pregnant and lactating women to have a special diet?- a)To lose weight
- b)To reduce energy intake
- c)To meet the additional nutritional needs of the mother and child
- d)To avoid nutritional deficiencies
Correct answer is option 'C'. Can you explain this answer?
a)
To lose weight
b)
To reduce energy intake
c)
To meet the additional nutritional needs of the mother and child
d)
To avoid nutritional deficiencies
|
|
Radha Iyer answered |
Pregnant and lactating women require a special diet to meet the additional nutritional needs of both the mother and the developing child. Inadequate nutrition during this time can lead to health issues for both.
Which vitamin is water-soluble?- a)Vitamin A
- b)Vitamin C
- c)Vitamin D
- d)Vitamin E
Correct answer is option 'B'. Can you explain this answer?
a)
Vitamin A
b)
Vitamin C
c)
Vitamin D
d)
Vitamin E
|
|
Radha Iyer answered |
Vitamin C is a water-soluble vitamin, which means it dissolves in water and is not stored in the body. It is important for various bodily functions, including collagen production and immune system support.
Which vitamin deficiency can lead to the condition known as beri beri?- a)Vitamin A deficiency
- b)Vitamin C deficiency
- c)Vitamin D deficiency
- d)Vitamin B1 deficiency
Correct answer is option 'D'. Can you explain this answer?
a)
Vitamin A deficiency
b)
Vitamin C deficiency
c)
Vitamin D deficiency
d)
Vitamin B1 deficiency
|
|
Radha Iyer answered |
Beri beri is caused by a deficiency of vitamin B1 (thiamine). It is a condition that primarily affects the nervous system and cardiovascular system.
Which nutrient is responsible for the growth and repair of muscle and other body tissues?- a)Carbohydrates
- b)Fats
- c)Proteins
- d)Vitamins
Correct answer is option 'C'. Can you explain this answer?
a)
Carbohydrates
b)
Fats
c)
Proteins
d)
Vitamins
|
|
Radha Iyer answered |
Proteins are responsible for the growth and repair of muscle and other body tissues. They are essential for the maintenance and development of various bodily structures.
Chapter doubts & questions for First Aid and Safety - Physical Education for Grade 9 2025 is part of Grade 9 exam preparation. The chapters have been prepared according to the Grade 9 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Grade 9 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Physical Education for Grade 9
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