The diagram shows a bacterial cell. What is the function of the structures labelled X?

codes for very specific features e.g. antibiotic resistance

Which sequence is in the correct order of organisation from smallest to largest?

muscle cell, muscle tissue, heart, circulatory system

Why do giant covalent structures have high melting points?

they have lots of strong covalent bonds

Why would a patient with a bacterial infection not respond to antibiotics?

Antibiotics have been misused, leading to resistance

Why do cars have crumple zones?

increase impact time and thus decrease force

How do drugs like aspirin work?

Messages from nerve endings do not reach the brain

Which of the following is a problem with carbon monoxide?

Toxic gas, Reduces amount of oxygen the blood can carry, Not easily detected, colourless

Which of the following is a problem caused by particulates

Makes things dirty and causes health problems, Causes global dimming

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AQA 5.9 Chemistry of the Atmosphere + AQA Trilogy Infection & Response + AQA 9-1 GCSE Biology + AQA Additional Science Foundation + AQA Chemistry 5.2 Bonding

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Questions 164

Answers

1
In a diamond each carbon atom is bonded to how many other carbon atoms?
4
2
1
3
2
What do most fuels contain?
Carbon dioxide
Carbon
Oxygen
Nitrogen
3
A bacterial cell image measured 6.25 mm and the actual cell was 25 µm. Calculate magnification
x 156 250
x 250
x 0.25
x 156.25
4
A bacterial pathogen has invaded your body. What is the function of phagocytes?
Binds to and destroys pathogens
Neutralises toxin
Produces antitoxins and antibodies
Ingests the pathogen
5
The drawing shows the human digestive system. Name the part of the digestive system labelled X.
pancreas
liver
stomach
large intestine
6
How long ago did algae first start photosynthesising?
2 billion years ago
4 billion years ago
3.2 billion years ago
2.7 billion years ago
7
What does the following image show the structure of?
Graphite
Carbon nanotubes
Buckminster Fullerene
Graphene
8
What is the resultant force?
2N
2N Left
3N
5N Left
9
How many protons does magnesium have?
24
18
12
6
10
What type of covalent bond is shown?
Single
Triple
Double
11
The diagram shows a bacterial cell. What is the function of the structures labelled X?
responsible for protection of the bacterial cell
responsible for movement of the bacterial cell
codes for very specific features e.g. antibiotic resistance
site of most of the chemical reactions that occur in cell
12
Which sequence is in the correct order of organisation from smallest to largest?
muscle tissue, muscle cell, circulatory system, heart
muscle cell, muscle tissue, heart, circulatory system
circulatory system, heart, muscle cell, muscle cell
heart, muscle cell, muscle tissue, circulatory system
13
Which blood vessel supplies the heart muscle with oxygen?
aorta
pulmonary artery
coronary artery
vena cava
14
Organs are groups of tissues with specific functions. Which is an example of an organ?
muscle
stomach
epithelial tissue
sperm
15
If hydrochloric acid reacts with magnesium, which salt is produced?
magnesium sulphate
magnesium nitrate
magnesium chloride
magnesium carbonate
16
Which animal has the largest surface area : volume ratio?
C
B
D
A
17
calculate the mean from these numbers 12, 12, 10, 8, 11, 9
10.3
12.3
9.3
11.3
18
Why do giant covalent structures have high melting points?
they have strong ionic bonds
they have lots of strong covalent bonds
they have strong metallic bonds
they have strong covalent bonds
19
Fe - type of bonding?
Ionic
Metallic
Covalent
20
If ammeter 1 reads 10A, ammeter 2 will read 5A.
false
true
21
Why would a patient with a bacterial infection not respond to antibiotics?
Specific antibiotic needed
Messages from nerve endings do not reach the brain
Wide-ranging antibiotic needed
Antibiotics have been misused, leading to resistance
22
Which is a way that white blood cells destroy pathogens and protect you against disease?
produce acid
secrete mucus
produce antibodies
produce antimicrobial secretions
23
If a plant doesn't get enough light, what happens to the rate of photosynthesis?
stays the same
increases
decreases
24
Where would you find the greatest concentration of undifferentiated cells in a plant?
in the xylem
in the palisade layer in a leaf
in the phloem
in the root tips
25
In the digestive system protein is broken down into which soluble substance?
fatty acids
amino acids
simple sugars
glycerol
26
Which of these malaria-related terms relates to 'humans'?
Vector
Parasitic disease of humans
Animal host
Protist pathogen
27
Why is evidence of the early atmosphere limited?
Due to the timescale
because it has changed over 6 billion years
It isnt, we know about it
Due to it changing so much
28
What can we reduce to minimise the carbon footprint?
Carbon dioxide
Methane
Nitrogen
Argon
29
What type of bonding is shown?
Metallic
Covalent
Ionic
30
What type of covalent bond is shown?
Single
Triple
Double
31
What is happening to this ball?
stationary
Accelerating downwards
falling at a constant speed
slowing down
32
Which row shows what happens during inhalation?
C
B
D
A
33
Why do cars have crumple zones?
so you have to buy a new car
decrease impact time and thus decrease force
increase impact time and thus decrease force
34
The increase in the average global temperatures is a major cause of?
Global warming
Flooding
Climate change
The greenhouse effect
35
What occurs during stage 2 of the cell cycle?
nucleus divides
number of sub-cellular structures increases
cell divides
DNA replicates
36
Which row shows the characteristics of a capillary?
D
A
C
B
37
How do drugs like aspirin work?
Wide-ranging antibiotic needed
Antibiotics have been misused, leading to resistance
Messages from nerve endings do not reach the brain
Specific antibiotic needed
38
What is the name of bond formed between a metal and a metal?
Ionic
Covalent
Metallic
39
Which type of radiation is most ionising?
gamma
beta
alpha
40
Which row shows the features that are common to both bacterial and plant cells?
B
D
C
A
41
State the function of the mitochondria in a cell
site of respiration
site of protein synthesis
site of photosynthesis
controls the activities of the cell
42
Which letter shows where the blood is at the highest pressure?
C
D
A
B
43
Which row shows the conditions that would increase the rate of diffusion?
C
D
A
B
44
Which gas is produced when a metal reacts with an acid? clue: squeaky pop
hydrogen
oxygen
nitrogen
carbon dioxide
45
MgCl₂- What charge does Mg have?
-1
+1
+2
-2
46
If the reading on ammeter 1 is 3A what will ammeter 2 read?
3A
1.5A
0A
2A
47
At which stage of life does mitosis occur at a slower rate than cell death?
childhood
developing embryo
old age
adulthood
48
The diagram shows a light microscope. Name the part of the microscope labelled X
objective lens
stage
eyepiece
coarse focus
49
Which of the following is a problem with carbon monoxide?
Toxic gas
Reduces amount of oxygen the blood can carry
Not easily detected, colourless
Makes things dirty and causes health problems
50
In which part of the body would the rate of mitosis be happening the fastest?
the brain
the eye
the spinal cord
the skin
51
Which of the following is a problem caused by particulates
Can cause respiratory problems
Makes things dirty and causes health problems
Causes global dimming
Causes acid rain
52
A cell has 4 chromosomes. How many chromosomes will it have at the end of stage 1 in the cycle?
1
8
2
4
53
What is happening to the car travelling from A-B?
slowing downAnswer 4
speeding up
stationary
constant speed
54
Which one is the following is an example of a plant organ?
xylem
palisade mesophyll
phloem
flower
55
Which of the following is a major source of atmospheric pollutants?
Photosynthesis
Respiration
Combustion
Farming
56
What is an alloy made from?
Two non-metals
Two or more different metals
A metal and a non-metal
57
Why did the level of oxygen in the atmosphere start to increase?
It was released by the volcanoes
Plants photosynthesising
It didnt
Plants and algae photosynthesising
58
What happened to the water vapour in the early atmosphere?
There wasn't any
Condensed and then evaporated
Condensed to form oceans
Condensed and plants use it
59
Which is not a source of embryonic stem cells.
amniotic fluid
aborted embryos
umbilical cord blood
bone marrow
60
What is happening to the car travelling from B-C?
speeding up
constant speed
stationary
slowing down
61
Calculate the work done when a man pushes a broken down car with a force of 500N for 10m.
500 J
5000 W
5000 J
5000 KJ
62
What is the name for the solid bits of carbon that can be released into the atmosphere?
Carbon
Particulates
Particles
Soot
63
Why do greenhouse gases get trapped?
They exit as longer wavelength radiation
They exit as shorter wavelength radiation
64
Why do simple covalent molecules have low melting/boiling points?
They have weak intermolecular forces
They have strong intermolecular forces
They have strong intermolecular bonds
They have weak intermolecular bonds
65
What is believed to have occurred over the first billion years?
Pollution
Dinosaur extinction
Photosynthesis
Intense volcanic activity
66
is this a plant or animal cell?
plant
animal
67
Which method would not be an effective method for preventing the spread of measles?
using a handkerchief
hand washing
vaccination
destroying vectors
68
The image shows a giant covalent structure - what is it?
Silicon dioxide
Graphite
Sodium chloride
Diamond
69
Which of the following is a problem caused by oxides of nitrogen?
Makes things dirty and causes health problems
Can cause respiratory problems
Causes global dimming
Causes acid rain
70
If you increase the temperature of a chemical reaction it gets faster.
True
False
71
Which of the following is a problem caused by sulphur dioxide?
Causes global dimming
Causes acid rain
Can cause respiratory problems
Makes things dirty and causes health problems
72
Which of these parts of a cell do plants have but animals do not?
cell wall
nucleus
cytoplasm
cell membrane
73
Which of these malaria-related terms relates to 'Plasmodium'?
Vector
Parasitic disease of humans
Protist pathogen
Animal host
74
Human digestive system - what is the function of the part of the digestive system labelled X.
the release of digestive enzymes
the absorption of water
the absorption of soluble food molecules
the storage of bile
75
Which statement about enzymes is false?
can help to build larger molecules from lots of smaller ones
enzymes are used up during reactions
enzymes are made of carbon, hydrogen, oxygen, and nitrogen
active sites are a specific shape to bind to the substrate
76
What adaptation would be the best way for a plant to prevent being eaten by squirrels?
thorns
tough waxy cuticles
leaf fall
cellulose cell walls
77
What is the function of platelets?
protect the body against infection
transport soluble products of digestion
transport oxygen
to help to clot the blood
78
What is the name of bond formed between a metal and a non-metal?
Ionic
Covalent
Metallic
79
What does a potometer measure?
rate of respiration
rate of transpiration
rate of photosynthesis
rate of water uptake
80
Which adaptation is an example of an adaptation of a muscle cell?
they can store glycogen
the acrosome contains digestive enzymes
they are very long
they contain a nucleus
81
Which type of respiration produces lactic acid?
anaerobic
aerobic
82
What are shape memory alloys?
Something that I made up
Something that loses its shape easily
Something that can return to their original shape
83
If the reading on voltmeter A reads 6V, what will voltmeter C read?
2V
6V
3V
0V
84
What is the name for a tumour that divides slowly and does not spread?
Resting
Dormant
Benign
Malignant
85
Which state is shown?
Gas
Liquid
Solid
86
Which substance is not carried directly in the blood plasma?
carbon dioxide
urea
oxygen
soluble products of digestion
87
What percentage of oxygen is in the atmosphere?
21
79
78
14
88
Which of the following is a use of graphite?
Pencils
Drill bits
Bendy screens
Jewellery
89
Which statement explains why enzymes are not active at very high temperatures?
high temperature increases the pH, which destroys the enzyme
the enzymes die at very high temperatures
the enzymes and substrate do not collide with each other
shape of the active site changes at very high temperatures
90
What are stem cells?
A cell from a plant
Cells which can turn into any type of cell
Man-made cells
91
Which of the following are properties of ionic substances?
All of these
Can conduct electricity when dissolved
Mostly white solids
High melting points
92
Why does graphene conduct electricity?
Each carbon atom has one delocalised electron
Each carbon atom has no delocalised electrons
93
Which greenhouse gas increases due to human activity?
Water vapour
carbon
Methane
Carbon dioxide
94
Where in the digestive system would this enzyme be likely to be found?
mouth
stomach
small intestine
pancreas
95
Which 2 risk factors for cardiovascular disease can be controlled?
Exercise and diet/obesity
Diet/obesity and age
Age and genetics
Genetics and exercise
96
Which statement about bile is false?
bile physically breaks down fats
bile chemically breaks down fats
bile has a very alkaline pH
bile is stored is the gall bladder
97
Which of these processes is an example of active transport?
uptake of carbon dioxide through stomata in the leaf
absorption of water by plant roots
release of oxygen through stomata in the leaf
absorption of mineral ions by plant roots
98
What do greenhouse gases maintain?
Plants and algae
global warming
Earth's temperature
Climate change
99
Which state is shown?
Gas
Solid
Liquid
100
What is a stem cell?
a differentiated cell
an unspecialised cell
a zygote
a meristem
101
LiF - type of bond?
Ionic
Metallic
Covalent
102
A bacterial pathogen has invaded your body. What is the function of a lymphocyte?
Ingests the pathogen
Neutralises toxins
Produces antitoxins and antibodies
Binds to and destroys pathogens
103
Which type of cell division produces gametes (sex cells)
mitosis
meiosis
104
Ionic bonding happens between....
metals and metals
non-metals and metals
non-metals and non-metals
105
Which gas did volcanoes produce?
Nitrogen
water vapour
Argon
Carbon dioxide
106
What does the following image show the structure of?
Graphene
Buckminster Fullerene
Graphite
Carbon nanotubes
107
What type of covalent bond is shown?
Double
Triple
Single
108
Which statement is the best explanation of why root hair cells do not contain chloroplasts?
root hair cells have no access to light
root hair cells are composed of dead tissue
have no room for chloroplasts due to large permanent vacuole
root hair cells have lost most of their internal structures
109
Why are alloys stronger than pure metals?
different sized atoms means the layers can't slide
because the atoms are compressed
a stong metal is added to a weak one
a diamond is added to the metal
110
Where in the body are you most likely to find cells containing lots of mitochondria?
hair
alveoli
kidney
blood capillaries
111
Calculate the momentum of a car with a mass of 2000kg travelling at 30m/s.
600 kg m/s
600000 kg m/s
60000 kg m/s
6000 kg m/s
112
Endothermic reactions....
Give out heat
Take in heat
113
What type of association does the chart show?
Negative correlation
No correlation
Casual relationship
Positive correlation
114
Which adaptation is a feature of an exchange surface in large animals?
the exchange surface has a thick membrane
the exchange surface has a small area
the exchange surface is well ventilated
the exchange surface has a poor blood supply
115
What is this component?
LED
Diode
LDR
Thermistor
116
Why are alloys harder than pure metals?
They are not
The layers are evenly spaced and slide easily
The layers are distorted and are unable to slide
117
What percentage of nitrogen is in the atmosphere?
78
21
12
72
118
What does the following image show the structure of?
Graphite
Carbon nanotubes
Graphene
Buckminster Fullerene
119
Adding crosslinks to polymers (thermosetting) makes them....
weaker
stronger
120
Which one of the following is non-communicable disease?
Salmonella
Tuberculosis
HIV
Asthma
121
Which of these are adaptations of a sperm cell?
lots of chloroplasts for photosynthesis
lots of mitochondria to provide energy
no nucleus to give more room
long tail for swimming
122
Norovirus releases a potent toxin that induces vomiting.
True
False
123
Which of these can cause extinction?
heat
a new predator
nowhere to live
a sudden environmental change
124
Which of the following is diamond useful for?
Drill bits
Injecting medicines
Pencils
Bendy screens
125
How do plants use the glucose they create from photosynthesis?
making proteins
respiration
stored as fat
making cell walls
126
You can only be a carrier of a genetic disease if the disease is caused by a.....
recessive allele
dominant allele
127
What type of bonding is shown?
Ionic
Covalent
Metallic
128
Why do metals conduct heat and electricity?
They have delocalised electrons
They have delocalised protons
They have delocalised neutrons
129
What is meant when you say that a cell has differentiated?
cells have become enlarged
cells have specialised to complete a particular function
cells have undergone cell division by mitosis
cell are unspecialised and can change to have any function
130
What did the early atmosphere mainly consist of?
Argon
Oxygen
Carbon dioxide
Nitrogen
131
No marks awarded: How confident do you feel?
VERY confident
Slightly confused
Somewhat confident
Struggling to understand
132
Which of the following are simple covalent molecules?
All of these
H20
H2
HCl
133
Xylem and phloem are transport tissues in a plant. Which statement is true about xylem tissue?
it transports substances from the leaf to the rest of plant
xylem transports dissolved sugars around the plant
xylem tissue is a living tissue
xylem tissue is strengthened by lignin
134
Whatis diffusion?
the movement of particles into the air
the movement of particles from low to high concentration
the movement of particles in a liquid
the movement of particles from high to low concentration
135
The image shows a giant covalent structure - what is it?
Diamond
Sodium chloride
Silicon dioxide
Graphite
136
What is the name of bond formed between a non-metal and a non-metal?
Covalent
Metallic
Ionic
137
When two atoms fuse their nuclei thisn is called...
nuclear fusion
nuclear fission
138
Which statements are true for both blood vessels and xylem vessels.
B and C
A and C
A only
C only
139
What is a tissue? (Think biology!)
a group of similar cells working together
a piece of paper
a snot rag
lots of organs working together
140
Which type of radiation is most dangerous inside the body?
beta
alpha
gamma
141
Which state is shown?
Liquid
Gas
Solid
142
Which is a factor that causes communicable disease?
smoking
stress
diet
viruses
143
Which of these malaria-related terms relates to 'malaria'?
Protist pathogen
Parasitic disease of humans
Vector
Animal host
144
What does the following image show the structure of?
Carbon nanotubes
Graphene
Buckminster Fullerene
Graphite
145
Na₂O - What charge does the O have?
+1
+2
-2
-1
146
In graphite each carbon atom is bonded to how many other carbon atoms?
4
2
1
3
147
What type of bonding is shown?
Covalent
Ionic
Metallic
148
Tests were carried out on some food. Results are shown. Which substances does it contain?
reducing sugar only
protein and lipids
starch, protein and lipids
starch and lipids
149
Which nutrient does the enzyme protease break down?
carbohydrate
fat
protein
fibre
150
NH₃ - type of bonding?
Metallic
Covalent
Ionic
151
Which process would enzymes be involved in?
the exchange of gases across the wall of the alveoli
the movement of water from the soil into the root hair cell
the synthesis of proteins
the absorption of dissolved food molecules across the villi
152
What happens to enzymes when they are overheated or at the wrong pH?
denitify
deny
denurture
denature
153
Which statement describes what would happen if you placed a cell in a hypertonic solution?
water would enter the cell from the solution
solutes would enter the solution from the cell
water would enter the solution from the cell
solutes would enter the cell from the solution
154
Name the speed at which a falling object travels when air resistance and gravity equal.
Maximum velocity
Final Velocity
Terminal velocity
End velocity
155
Where do plants get the carbon dioxide from which they need for photosynthesis?
The water
The air
The soil
156
Why did the levels of carbon dioxide in the atmosphere start to fall?
The volcanoes used it
It hasn't, it has stayed the same
Used by plants for photosynthesis
Dissolved in oceans
157
In metals, the layers of atoms are able to slide over each other. We say the metal is?
Malleable
Rigid
Lustrous
Bendy
158
Which disease is an example of a communicable disease caused by a virus?
measles
malaria
gonorrhoea
salmonella
159
A bacterial pathogen has invaded your body. What is the function of antibodies?
Binds to and destroys pathogens
Ingests the pathogen
Produces antitoxins and antibodies
Neutralises toxins
160
Which row shows the correct temperature and pH of the stomach and small intestine?
B
A
D
C
161
A radioisotope has 640cpm. Two hours later this had fallen to 80cpm, what is the half-life?
40 minutes
30 minutes
20 minutes
50 minutes
162
What is a carbon footprint?
Amount of greenhouse gas release during product manufacture
Amount of CO2 released during product manufacture
Amount of greenhouse gas release during the life of aproduct
Amount of CO2 released during the life of a product
163
Why are metals losers?
They lose electrons
They lose protons
They lose neutrons
164
Does Mrs Glascott deserve an award for these quality images?
Of course she does!
Give her two awards!
I love these images!
Without a shadow of doubt!

AQA 5.9 Chemistry of the Atmosphere + AQA Trilogy Infection & Response + AQA 9-1 GCSE Biology + AQA Additional Science Foundation + AQA Chemistry 5.2 Bonding Flashcards | StudBud