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WorksheetsFOOD
Total questions: 24
Worksheet time: 16mins
What is a biomolecule
A living molecule
Chemicals inside living things
A type of protein
A vitamin
Carbohydrates contain the elements...
(a)
Glucose is an example of a
Starch
Monosaccharide
Building block of lipids
Polysaccharide
The polysaccharide (a) can be found in plants. It has cross-bonding. It can be found in the cell wall structure of plants, and we use it as fibre in our diet
Sources of disaccharides
Starch
Potato
Olive oil
Table sugar (sucrose)
The element not found in lipids is
Nitrogen
Oxygen
Carbon
Hydrogen
A phospholipid contains
Glycerol, 2 fatty acids and a phosphate group
Glycerol, 3 fatty acids and a phosphate group
Amino acids and a phosphate group
Sugar units and a phosphate group
Sources of lipids include...
(a)
Protein is the only food biomolecule that contains the element of
(a)
Protein smallest building blocks are called...
lactic acid
amino acids
protenoids
amines
There are two types of proteins that we learned about: fibrous and (a)
Protein must be folded correctly to be functional
True
False
The water soluble vitamin we learned about is called...
(a)
Vitamin C helps prevent
deltoids
scurvy
osteoporosis
bad eyesight
Vitamin D is water soluble
True - it is water soluble
False - it is fat soluble
Plants get their source of magnesium from...
Their leaves
The soil
Their flowers
Their magma chamber
Humans take iron supplements to prevent/remedy...
rickets
haemoglobin
amoeba
anemia
Water is a bad solvent
True - it is a bad solvent
False - it is a good solvent
Anabolism is involved in
photosynthesis
respiration
the decay of dead plants and animals
We use Benedict's solution to test for
Starch
Reducing sugars, e.g. glucose
Protein, e.g. ham
Lipids, e.g. oil
We use (a) to test for starch
When iodine is present in a solution of starch, it turns from
blue to orange
orange to blue
orange to orange (stays the same)
What can we use to test for lipids
Brown paper
Iodine
Biuret test
Benedict's
... solution is used to test for protein
(a)
