MGRADES
IB Sports Science UPDATED ACTUAL
Exam Questions and CORRECT Answers
How are nutrients transported? - CORRECT ANSWER - Through the blood stream
Why don't nutrients function in isolation? - CORRECT ANSWER - They interact with
each other in food, the digestive system, in the blood, and in the cell.
Chemical Composition of Carbohydrates - CORRECT ANSWER - CH2O
Monosaccharide - CORRECT ANSWER - Glucose, fructose, galactose
Disaccharides - CORRECT ANSWER - formed by two monosaccharaides when one
molecule of water is lost
How are di, oligo, and polysaccharides absorbed and transported to the organs - CORRECT
ANSWER - They are broken down to monosaccharides
Where is dietary fibre found - CORRECT ANSWER - cellular walls of plants such as
cellulose
How are carbohydrates stored in plants and in animals - CORRECT ANSWER - plants-
starch animals-glycogen
saturated fatty acid - CORRECT ANSWER - the maximal number of hydrogen atoms on
each carbon atom
unsaturated fatty acid - CORRECT ANSWER - the two missing hydrogen atoms form
double bonds between two carbon atoms and become unsaturated
, MGRADES
Why are essential fatty acids considered essential - CORRECT ANSWER - our bodied
can't synthesize or create them so we have to get them from food
amount of essential amino acids - CORRECT ANSWER -8
in cells, water acts as..... - CORRECT ANSWER - a medium for vital biochemical
reactions
amount of water in an adult body - CORRECT ANSWER - 35-45 liters
vitamins - CORRECT ANSWER - regulaters in processes of energy release from food and
important co-factors in various chemical reactions
minerals - CORRECT ANSWER - 4% of body mass
trace elements - CORRECT ANSWER - .001% of body mass
the adequate nutrient intake is chosen so that it meets the needs of _____ % of the population -
CORRECT ANSWER - 97.5
_____% of the population is considered in total energy intake - CORRECT ANSWER - 50
Totals carbs per day - CORRECT ANSWER - 55-75%
total protein a day - CORRECT ANSWER - 10-15%
total fat a day - CORRECT ANSWER - 15-30%
IB Sports Science UPDATED ACTUAL
Exam Questions and CORRECT Answers
How are nutrients transported? - CORRECT ANSWER - Through the blood stream
Why don't nutrients function in isolation? - CORRECT ANSWER - They interact with
each other in food, the digestive system, in the blood, and in the cell.
Chemical Composition of Carbohydrates - CORRECT ANSWER - CH2O
Monosaccharide - CORRECT ANSWER - Glucose, fructose, galactose
Disaccharides - CORRECT ANSWER - formed by two monosaccharaides when one
molecule of water is lost
How are di, oligo, and polysaccharides absorbed and transported to the organs - CORRECT
ANSWER - They are broken down to monosaccharides
Where is dietary fibre found - CORRECT ANSWER - cellular walls of plants such as
cellulose
How are carbohydrates stored in plants and in animals - CORRECT ANSWER - plants-
starch animals-glycogen
saturated fatty acid - CORRECT ANSWER - the maximal number of hydrogen atoms on
each carbon atom
unsaturated fatty acid - CORRECT ANSWER - the two missing hydrogen atoms form
double bonds between two carbon atoms and become unsaturated
, MGRADES
Why are essential fatty acids considered essential - CORRECT ANSWER - our bodied
can't synthesize or create them so we have to get them from food
amount of essential amino acids - CORRECT ANSWER -8
in cells, water acts as..... - CORRECT ANSWER - a medium for vital biochemical
reactions
amount of water in an adult body - CORRECT ANSWER - 35-45 liters
vitamins - CORRECT ANSWER - regulaters in processes of energy release from food and
important co-factors in various chemical reactions
minerals - CORRECT ANSWER - 4% of body mass
trace elements - CORRECT ANSWER - .001% of body mass
the adequate nutrient intake is chosen so that it meets the needs of _____ % of the population -
CORRECT ANSWER - 97.5
_____% of the population is considered in total energy intake - CORRECT ANSWER - 50
Totals carbs per day - CORRECT ANSWER - 55-75%
total protein a day - CORRECT ANSWER - 10-15%
total fat a day - CORRECT ANSWER - 15-30%
