food and the ideal diet

Question 1

what is a balanced diet

Answer 1

provides all the nutrients, in the correct amounts, needed to carry out the life processes

Question 2

use of carbohydrates and where do we get them

Answer 2

they are glucose, which can be stored as starch and we use them as a source of energy. we can get them from rice, potato

Question 3

uses of lipids and where do we get them

Answer 3

source of energy, provide insulation. we can get them from eggs, milk, cheese

Question 4

use of protein and where do we get them

Answer 4

we use them for making catalysts, building cells. we can get them from soya bean and meat

Question 5

symptoms of deficiency of vitamin c and where do we get it

Answer 5

scurvy - swollen gums

we can get them in lemons or limes.

Question 6

symptoms of deficiency of vitamin d and where do we get it

Answer 6

rickets, bones get soft and can be bent

we can get them in liver

Question 7

symptoms of deficiency of iron and where do we get it

Answer 7

anaemia- oxygen transportation cannot be done efficiently

we can get them in red meat

Question 8

symptoms of deficiency of calcium and where do we get it

Answer 8

weak bones and teeth

we can get them in milk and cheese

Question 9

how to calculate how much energy do the food contain

Answer 9

record the initial temperature of the water in the test tube then burn the food under the test tube. get the final temperature of the water. then minus the final one to the initial one..

Question 10

the need of energy for the person is depends on _____,______, and ________

Answer 10

age, sex and occupation

Question 11

how do fibres help us

Answer 11

add bulk to the faeces that it can pass through gut more easily

Question 12

disease caused by protein deficiency

Answer 12

kwashiorkor - loss of muscle mass and swollen belly

marasmus - stunted growth and weight lose