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HAEC KS4 Biology 2a: Organisation

Total questions: 20

Worksheet time: 21mins

Name
Class
Date
1.

What are these structures call that are found on the lining of the small intestine?

a)

Gallbladder

b)

Villi

c)

Sphincter

d)

Duodenum

2.

Which of the following helps digest carbohydrates in the mouth...

a)

salivary amylase

b)

lysozymes

c)

mucin

d)

bolus

3.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
4.
Identify organ B. 
a)

Oesophagus

b)

stomach

c)

small intestine 

d)

large intestine

5.
Identify organ E. 
a)
gullet
b)
stomach
c)
small intestine 
d)
large intestine
6.

Which organ makes bile to help break down fats?

a)

liver

b)

gallbladder

c)

pancreas

7.

What is this organ?

a)

Liver

b)

Kidney

c)

Pancreas

d)

Stomach

8.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
9.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
10.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
11.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
12.

Select only the correct combination of

Enzyme --> Substrate --> Product

a)

Protease --> Proteins --> Amino Acids

b)

Amylase --> Carbohydrate --> GLycerol & Fatty acids

c)

Lipase --> Fats --> Amino acids

13.
Tara conducted several tests on a mystery solution.  Her results were as follows:
*Biuret's = purplish/violet; *Benedict's = orange;  *Sudan III = yellow; *Iodine = black.
Which biomolecules were present in the mystery solution?
a)
protein & carbohydrate
b)
protein & lipid
c)
carbohydrate & lipid
d)
protein, carbohydrate, & lipid
14.
Which biomolecule turns iodine solution black?
a)
complex carbohydrate (polysaccharide)
b)
protein
c)
simple carbohydrate (monosaccharide)
d)
lipid
15.

What is a positive result for the lipid emulsion test?

a)

cloudy white

b)

clear

c)

yellow

d)

white

16.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

17.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

18.
What is the pH range of enzyme A?
a)
2
b)
0-3.5
c)
3.5
d)
0
19.
Based on the graph, what temperature does this enzyme work best? 
a)
15 C
b)
40 C
c)
30 C
20.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs