WorksheetsIGCSE Biology Units 1 - 7
Total questions: 35
Worksheet time: 8mins
Which of the following only contains arthropods?
annelid
insect
myriapod
arachnid
crustacean
myriapod
crustacean
insect
mollusk
insect
myriapod
nematode
Which features, seen in the diagram, show that the rat is a mammal?
diaphragm & lungs
fur & whiskers
legs & tail
milk & sweat glands
Which part of this mesophyll cell in a leaf is partially permeable?
A
B
C
D
In the pancreas, there are a group of cells that make pancreatic juice. Which statement describes these cell?
an organ in an organism
an organ system in an organism
cells within a cell wall
tissue in an organ
By which process does carbon dioxide pass from X to Y?
diffusion
osmosis
transpiration
active transport
What kind of molecule could be an enzyme?
fat
glucose
protein
starch
What is the name of the process that pushes food along?
absorption
digestion
swallowing
peristalsis
What is a characteristic of all living organisms?
breathing
circulation
egestion
sensitivity
What kind of skin do amphibians have?
moist with scales
moist without scales
dry with scales
dry without scales
Which can perform the most photosynthesis?
P
Q
R
S
The structures shown are all part of the same _________
cell
tissue
organ
organ system
Which graph shows the effect of temperature on the activity of an enzyme?
Which substance contains nitrogen?
fat
glucose
protein
starch
Why is sunlight necessary for photosynthesis?
It is a catalyst
It is a source of energy
It provides nutrients
It provides oxygen
Which of the following does not contain a nucleus?
liver cell
palisade tissue
xylem vessel
red blood cell
Which parts are found in both plant & animal cells?
cell membrane
&
large vacuole
cell membrane
&
cytoplasm
cell wall
&
large vacuole
cell wall
&
cytoplasm
What is the heart?
a cell
a tissue
an organ
an organ system
Which function is carried out by the ciliated cells in the respiratory tract?
filtering dirt from passing air
making mucus
moving carbon dioxide out of the lungs
moving mucus to the throat
What is the optimum pH for a stomach protease?
pH 2
pH 7
pH 9
pH 12
What does the graph show about the activity of this enzyme?
It is unaffected by pH
It is most active in neutral conditions
It is most active in acidic conditions
It is destroyed by high temperature
Which function is performed by the ileum?
absorption
assimilation
egestion
ingestion
Which would be digested by a protease?
A
B
C
D
Which information is needed when classifying a frog using the binomial system?
class: amphibian
genus: Rana
kingdom: animal
phylum: vertebrate
In which part of this cell does carbon dioxide and water combine to form glucose?
W
X
Y
Z
Which of the following shows the appearance of a plant cell that has remained in a concentrated sugar solution for 30 minutes?
The table shows the nutritional information of a plain biscuit. Which nutrient needs no digestion?
starch
protein
glucose
fat
In this experiment, what would be found in the water in the test tube after 15 minutes?
amino acids
fatty acids
glucose
glycerol
Which structure of the alimentary canal does NOT secrete enzymes?
A
B
C
D
A plant with variegate leaves has the starch removed from its leaves by placing it in a dark cupboard for 48 hours. Black paper is then fixed on one leaf as shown and the plant is exposed to light. After 24 hours, which part of the leaf contains starch?
A
B
C
D
What type of tooth does the diagram show?
canine
molar
premolar
incisor
Some teeth are missing from this person's mouth. Which would the person find difficult?
biting apples
drinking water
tearing dry bread
grinding meat
Each of the following diagrams shows an area of cytoplasm. Which one is from a prokaryote?
Which diagram shows the structure of DNA?
Which of the following cells from a leaf is a guard cell?
The diagram shows a villus. Structures P and Q absorb different products of digestion. Which identifies the products absorbed by P and Q?
P= amino acids
Q= glucose
P= fatty acids
Q= malltose
P= glucose
Q= fatty acids
P= maltose
Q= amino acids
