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WorksheetsBiology Quiz on Nutrition and Digestion
Total questions: 60
Worksheet time: 31mins
Which foods would best prevent rickets and scurvy?
A beans bread
B bread cheese
C cheese eggs
D eggs beans
What is the name of the process that pushes the food along?
A absorption
B digestion
C peristalsis
D swallowing
In which test-tube is the starch broken down fastest?
A
B
C
D
Which substance contains nitrogen?
A fat
B glucose
C protein
D starch
Which sample has the highest energy content?
A
B
C
D
Which meal will be the most likely to stimulate peristalsis in the alimentary canal?
A
B
C
D
Which substances are stored in the body of a healthy person?
A
B
C
D
Which of these is digested by protease?
A
B
C
D
Which food would be best for a child who has rickets?
A
B
C
D
Which elements do carbohydrates contain?
A carbon, hydrogen and oxygen
B carbon, hydrogen and sulphur
C carbon, nitrogen and oxygen
D carbon, nitrogen and sulphur
What is the colour of the starch and water mixture after 30 minutes?
A blue-black
B orange
C white
D yellow-brown
Which food is the richest source of the vitamin or mineral essential for the transport of oxygen by the blood?
A beans
B eggs
C fish
D fruit
Which diagram shows this molecule after it has been completely digested?
A
B
C
D
Which food contains protein and starch?
A
B
C
D
Which condition can sometimes be prevented by eating plenty of fresh fruit and vegetables?
A bleeding gums
B brittle bones
C diabetes
D soft bones
Which solutions are used for testing for protein, reducing sugar and starch?
A Benedict’s biuret iodine
B biuret Benedict’s hydrochloride acid
C Iodine Benedict
D iodine
Which product, or products, will now be present in the test-tube?
A amino acids
B a simple sugar
C fatty acids and glycerol
D water
Which nutrient is a protein?
A
B
C
D
Which row correctly identifies the chemical elements found in proteins?
A
B
C
D
This could be caused by a lack of which nutrient?
A calcium
B iron
C vitamin C
D vitamin D
Which meal will be the most effective at preventing constipation?
A
B
C
D
A human cell contains a length of DNA that carries the code for making which substance?
A fat
B protein
C lipase
D starch
How could the student test whether the amylase had digested all the starch?
A Add Biuret solution.
B Add dilute hydrochloric acid.
C Add iodine solution.
D Weigh the test-tubes and contents before and after the experiment.
What is present in the water surrounding the membrane after 45 minutes?
A amino acids and simple sugars
B protein and amino acids
C protein and simple sugars
D starch and simple sugars
What is the result of a diet lacking iron?
A bleeding gums
B poor wound healing
C reduced number of red blood cells
D weak bones and teeth
Which nutrients are present in solution X?
A protein and starch
B protein and sugar
C starch and fat
D starch and sugar
Which set of results is correct?
A blue blue-black
B blue brown
C brick red blue-black
D brick red brown
Which nutrient needs no digestion?
A fat
B glucose
C protein
D starch
What was found in the water in the test-tube after 15 minutes?
A amino acids
B fatty acids
C glucose
D glycerol
Which basic units form these molecules?
A
B
C
D
Which symptom results from a deficiency in iron?
A anaemia (haemoglobin deficiency)
B rickets
C scurvy
D soft teeth
What is lacking in the diet of someone with anaemia (haemoglobin deficiency)?
A calcium
B iron
C vitamin C
D vitamin D
What is needed in the diet of a man working hard in a hot climate?
high energy intake
protein
Starch
water
What is present in the water surrounding the membrane after 45 minutes?
amino acids and simple sugars
protein and amino acids
protein and simple sugar
starch and simple sugars
Which nutrient needs no digestion?
fat
glucose
protein
starch
What was found in the water after 15 minutes?
amino acids
fatty acids
glucose
glycerol
What does the digestion of starch produce?
fatty acids
glucose
mineral salts
water
Which foods would stop a person from suffering from anaemia (lack of haemoglobin) and scurvy (bleeding gums)?
A
B
C
D
What is the function of the enzyme amylase?
breaks down the substrate into amino acids
changes the product into the substrate
increases the rate of starch breaking down into glucose
increases the rate of starch breaking down into maltose
What are solutions X and Y?
A
B
C
D
Which nutrient would be in low levels in this diet?
calcium
iron
vitamin C
vitamin D
Which nutrient produces a purple colour when mixed with biuret solution?
fat
protein
reducing sugar
starch
What identifies the products of fat digestion?
P and R
P and S
Q and R
Q and S
Which food contains protein and fat?
A
B
C
D
Which food is the richest source of the vitamin or mineral ions essential for the transport of oxygen by the blood?
beans
egg
fish
fruit
Which simple molecules are the basic units of protein?
amino acids
fatty acids
sugars
vitamins
Which food-testing reagent shows a positive result when it turns from blue to purple?
Benedict’s solution
biuret solution
ethanol
iodine solution
In which test-tube will the protein be digested most quickly?
A
B
C
D
Which row shows the elements and basic units that are used in the construction of large food molecules?
A
B
C
D
Which food would be best for a child who has rickets?
A
B
C
D
Which change in environmental conditions could cause this change in the shoot?
a decrease in available water
a decrease in light intensity
a decrease in wind speed
an increase in humidity
When bases pair up in the formation of DNA, what is one of the pairings?
G with A
G with C
C with G
G with T
Which feature of each molecule makes it specific?
active site binding site base order
base order active site binding site
base order binding site active site
binding site base order active site
Which combination of enzymes should be in the washing powder to remove the stain?
amylase and lipase
lipase and protease
pectinase and amylase
protease and pectinase
What is the order of bases on the corresponding part of the other strand?
A―C―T―T―A―G―A―T
C―A―G―G―C―T―C―G
T―A―G―A―T―T―C―A
T―G―A―A―T―C―T―A
Which sequence of bases would be on the other strand, starting from the top?
AGTC
CTGA
GACT
TCAG
In which test-tube is the starch broken down fastest?
A
B
C
D
Which diseases are caused by a lack of iron and a lack of vitamin D?
anaemia and soft bones
kwashiorkor and anaemia
kwashiorkor soft bones
soft bones anaemia
What is the main cause of kwashiorkor?
insufficient energy
insufficient protein
Which diagram shows the structure of DNA?
A
B
C
D
