Worksheets4NT Science Digestion WB
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which one of the following substance helps to break down large insoluble molecules into small, soluble molecules?
a)
acid
b)
bile
c)
enzymes
d)
qxygen
2.
Which of the following organs are involved in the digestion of fat?
a)
Q, R, S
b)
Q, S, T
c)
R, S, T
d)
S, T, U
3.
Which one of the following is not a functio of the part labelled S?
a)
break dow alcohol
b)
produce urea
c)
digest protein
d)
stores excess glucose
4.
Which of the following organs are involved in the digestion of proteins?
a)
Q and R
b)
R and S
c)
R and U
d)
T and U
5.
Food materials entering and leaving the digestive system (from mouth to anus) pass through the following organ except _____________.
a)
stomach
b)
pancreas
c)
small intestine
d)
gullet
6.
Carbohydrates are mainly digested in the ______________
a)
mouth and stomach
b)
mouth and small intestine
c)
stomach and small intestine
d)
stomach and pancreas
7.
After digestion is completed, the digested food is absorbed by the X and Y and transported to all parts of the body.
Which of the following correctly describle X and Y?
Which of the following correctly describle X and Y?
a)
X- Stomach,
Y -bloodsteam
Y -bloodsteam
b)
X- Small intestine,
Y -water
Y -water
c)
X- Small intestine,
Y -bloodsteam
Y -bloodsteam
d)
X- Large intestine,
Y -water
Y -water
8.
the gall bladder _________
a)
produce bile which digest fats
b)
stores and release bile
c)
secretes acid to activate enzymes
d)
secretes enzymes to digest food
9.
Which of the following is not a function of the pancreas?
a)
produces enzymes to digest carbohydrate, fats and protein
b)
release of the hormone insulin to regulate blood glucose
c)
release digestive enzymes into small intestine
d)
produce acidic subtances to neutralise the contents of the stomach
10.
Enzymes in our digestive system require the following optimum physical conditions to speed up the rate of digestione
a)
temperature and pH
b)
pH and amount of food substances
c)
pH and amount of water
d)
temperature and amount of water
11.
What happens to the enzyme action at the parts of graph X and Y?
a)
X - rate of enzyme activity is slow
Y - X - rate of enzyme activity is fast
Y - X - rate of enzyme activity is fast
b)
X - rate of enzyme activity is slow
Y - X - rate of enzyme activity is slow
Y - X - rate of enzyme activity is slow
c)
X - rate of enzyme activity is slow
Y - X - rate of enzyme activity is fast
Y - X - rate of enzyme activity is fast
d)
X - rate of enzyme activity is fast
Y - X - rate of enzyme activity is slow
Y - X - rate of enzyme activity is slow
12.
The enzyme work best at?
a)
0oC
b)
30oC
c)
40oC
d)
65oC
13.
Which one of the following is a result of excessive alcohol consumption?
a)
constipation
b)
liver cancer
c)
diabetes
d)
throat cancer
14.
Constipation can be prevented by having a diet high in ___________
a)
carbohydrates
b)
vitamins
c)
minerals
d)
dietary fibre
15.
The blood of a diabetic person contains high level of
a)
protein
b)
fat
c)
glucose
d)
minerals
100 %
