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OCR Core Science Foundation Flashcards | StudBud
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OCR Core Science Foundation
OCR Core Science Foundation
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A game required to glide through those GCSE exams like a chicken on rollerblades...!
Flashcards
100 cards
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Practice quiz
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Host live
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Questions
100
Answers
1
Which of these are fossil fuels?
All of the above
Coal
Gas
Oil
2
Which hormone controls sugar levels?
Glycogen
Glucose
LH
Insulin
3
Which of these statements isn't true about Wegener?
Many scientists accepted his theory at the time
He came up with continental drift theory
He lived in the 20th Century
He trained as an astronomer and a meteorologist
4
Which of these two are molten rock under the earth's surface?
Magma
Lava
5
What is the efficiency of the LED light?
20%
75%
80%
25%
6
Which of these statements isn't true about Sir William Herschel?
He was British
He used prisms to break up visible light
He came up with the theory of evolution
He discovered infra-red light
7
What did not happen during early earth?
There were many continents
Oceans began to form as vapours condensed
Volcanoes started to cool down
Green plants started to grow
8
Passive immunity happens when... ?
Your body makes its own antibodies
Antibodies pass from mother to baby through breast milk
9
Which of these do we use to produce medical images of bones?
Radio
Ultra Violet
X rays
Infrared
10
Which of these is true about infra red radiation?
White, shiny surfaces are good emitters
Black, matt surfaces are poor emitters
Black, matt surfaces are good emitters
11
Which of these statements is true about auxin?
It makes the shoot grow away from light
It makes roots grow toward light
It is more concentrated on the shaded side of a plant
12
Which of these metals is not an alloy?
Brass
Steel
Silver
Bronze
13
Sulphur Dioxide directly causes...?
Green house effect
Acid Rain
Holes in the ozone layer
14
Which one of these metals is used for bridges and the engines of cars?
Steel
Iron
Bronze
Gold
15
Which of these won't help insulate your home?
Thick curtains
Having the radiator on
Cavity Wall
Double glazing
16
Why do clouds of dust and gas come together to form protostars?
Magnetism
Explosion
Gravity
Heat
17
Which of these is not a polymer?
Polyester
Gore-Tex
Nylon
Cotton
18
Genetic variation happens because of...?
Mutations
Fertilisation
Formation of gametes
All of the above
19
Which of these statements about natural selection isn't true?
Animals with advantageous genes are less likely to survive
More demand than supply leads to competition for food
There is variation within a species
Some animals have advantageous genes
20
Which of these isn't true about EM waves?
They are longitudinal
They travel at the speed of light
They are transverse
They travel through vacuums
21
Which of these is incorrect about heat energy and transfer?
Radiation can happen in a vacuum
Conduction happens in solids
Convection happens in fluids
Heat energy can be created
22
Which of these statements about the eye is not correct?
The blind spot is where the optic nerve attaches to the eye
The iris controls light entering the pupil
The cornea refracts light
The pupil focuses light onto the retina
23
Which hormone inhibits LH and causes the uterus wall to break when its level drops?
Testosterone
Progesterone
Oestrogen
FSH
24
Which of these statements about genetic diseases is not true?
CT and Sickle cell anaemia cannot skip a generation
For Sickle cell anaemia red blood cells are the wrong shape
Cystic Fibrosis is where the body makes thick sticky mucus
CT and Sickle cell anaemia are caused by a recessive allele
25
Emulsifiers have two parts where...
Both repel water
One repels water and the other repels oil
One repels water and the other loves oil
One repels oil and the other loves water
26
Which of these kingdoms use light energy to make food?
Prokaryotes
Animals
Protoctists
Plants
27
What is C4H10 the formula for?
Propene
Butene
Propane
Butane
28
Which of these statements about pathogens isn't true?
AIDS is caused by a virus called HIV
A virus cannot be treated with antibiotics
Malaria is carried in a mosquito's blood
Tuberculosis is caused by a fungi
29
What percentage is given out as waste energy?
90%
10%
9%
1.9%
30
When a pathogen enters your body, what does NOT happen?
You can get ill
The pathogen releases antibodies
White blood cells engulf and digest the pathogens
White Blood Cells produce antibodies
31
Which of these metals is used for electrical wiring?
Copper
Silver
Titanium
Steel
32
Which of these drugs can be sold by a pharmacist in the UK?
Heroin
Performance enhancers
Ecstasy
LSD
33
Which of these statements about drugs isn't true?
Heroin is a painkiller
Nicotine is a stimulant
Alcohol is a stimulant
LSD is a hallucinogen
34
Which of these statements about diabetes is false
For Type 2, the body doesn't know how to respond to insulin
There are two types of diabetes
For Type 2, the person is injected with insulin
For Type 1, the body doesn't make enough insulin
35
Which temperature is required for the Haber Process?
300
400
450
350
36
Carbon Dioxide is removed from the air by?
Eating
Respiration
Photosynthesis
Burning fossil fuels
37
When a liquid heats up, before changing state...
The temperature does not increase
The particles gain more kinetic energy
The particles become more spread out
38
Bromine water turns from orange to colourless in an...?
Alkane solution
Alkene solution
39
What is the Central Nervous System?
Brain
Spinal Cord
Brain, Spinal Cord and all the neurones in your body
Brain and spinal cord
40
What causes short-sightedness?
The eye ball is too long
There is no focus on near objects
The retina is not light sensitive
The eye ball is too short
41
Which statement is not true about nerve impulses?
Nerve impulses are electrical signals
Impulse is carried from a motor neurone to a relay neurone
Impulse is carried from a sensory neurone to a relay neurone
Stimulus is detected by a receptor
42
Where do earthquakes occur?
Where tectonic plates meet
All of the above
Only in hot and dry countries
Only above sea level
43
What kind of pathogen is carried by vectors e.g. mosquitos?
Protozoa
Fungi
Virus
Bacteria
44
Which of these metals is found as nuggets?
Gold
Bronze
Silver
Copper
45
Which planet comes directly after Jupiter?
Saturn
Mercury
Uranus
Mars
46
Which of these hormones is produced in the pancreas?
Insulin
FSH
LH
Testosterone
47
What is our air mostly made up of?
Nitrogen
Oxygen
Hydrogen
Carbon Dioxide
48
Which of these statements about hormones is not true?
Hormones target and affect particular organs
Hormones travel in the blood
Hormones do not travel all over the body
Your body reacts more slowly to hormones than nerve impulses
49
Diffraction allows us to?
See around corners using a periscope
Hear around corners
50
What is homeostasis ?
Keeping the conditions in your body constant
Keeping the body temperature warm
Reducing the sugar levels
Reflex reactions
51
What is an allele?
The same version of a different gene
Different genes
The same version of a gene
Different versions of the same gene
52
What is the Haber process used for?
Fertilisers and nitric acid
Fertilisers and sulphuric acid
Fertilisers and hydrochloric acid
Cheese and sulphuric acid
53
Which hormone in the menstrual cycle is stimulated by the growth of the egg?
FSH
Oestrogen
Progesterone
LH
54
Which of these statements about gamma radiation isn't true?
It has the longest wavelength
It has the highest energy out of the electromagnetic waves
It destroys cells
It is used to sterilise medical equipment
55
Which of these metals is more reactive than Magnesium?
Iron
Lead
Aluminium
Potassium
56
CFCs, which are used in aerosols and fridges, directly cause...?
Holes in the ozone layer
Acid Rain
Green house effect
57
Fractional distillation is used to:
find out which dyes are in a solution
separate water and salt
separate hydrocarbons
purify copper
58
Which of these statements about waves isn't true?
Diffraction is the spreading out of waves
Refraction changes the speed of a wave and its direction
Reflection lets us see things
Refraction changes the speed of a wave but not the direction
59
Which of these is a short term effect of smoking cigarettes?
Bad breathe
Damaging the cilia which can't get rid of mucus properly
Addiction to nicotine
Lung cancer
60
Which of these statements isn't true about the fractional distillation of crude oil?
Small hydrocarbons leave at the top as gases
Crude oil is heated to 350 degrees and vaporizes
Hydrocarbons with low boiling points cool at the bottom
The hydrocarbons rise up the fractional column
61
Which of these has a highly elliptical orbit?
Meteor
Comet
Sun
Earth
62
Which scientist thought the earth was at the centre of the universe?
Ptolemy
Copernicus
Galileo
Darwin
63
How is a cactus adapted to the desert?
It stores water in its stem
It has deep roots
It has large leaves
64
Which of these electromagnetic waves is used for optical fibre communication?
Micro Waves
Radio Waves
Infrared Light
65
What is the optimum body temperature?
39
38
37
36
66
Which two gases does the Haber Process use?
Hydrogen and Helium
Hydrogen and Carbon Dioxide
Hydrogen and Nitrogen
Hydrogen and Oxygen
67
Where is testosterone made in men?
Ovary
Testes
Pancreas
Pituitary Gland
68
What conditions are not required for the Haber Process?
Iron Catalyst
Classical music
High pressure
High temperature
69
Which alkene has three carbon atoms?
Ethene
Propene
Butene
70
The outer layer of the Earth is called the?
Core
Mantle
Magma
Crust
71
Which of these metals is less reactive than Iron?
Aluminium
Zinc
Magnesium
Tin
72
Which of these statements about nuclear radiation is true?
Beta radiation can be stopped by a few sheets of paper
alpha particle is made of electrons
Gamma radiation is the most penetrating
Beta radiation can be used in smoke alarms
73
What is the definition of a species?
A group of organisms which look alike
A group of organisms which live in the same type of habitat
A group of organisms which can breed
A group of organisms with similar characteristics
74
Athlete's Foot is caused by a ...?
Protozoa
Virus
Bacteria
Fungus
75
Which of these kingdoms never has a cell wall?
Fungi
Protoctists
Animals
Prokaryotes
76
A small supernova will become?
Planetary Nebula
White Dwarf
Black Hole
Neutron Star
77
Vaccinations do NOT involve injecting a person with...
A dead pathogen to trigger a mild reaction
A treated, harmless pathogen to trigger a mild reaction
An active pathogen to give them a disease
78
When a liquid is changing into a gas...
The intermolecular force becomes weaker
The particles become closer together
The temperature continues to increase
79
What is necessary for Optical Fibres to work?
No Internal Reflection
Total Internal Reflection
Total External Reflection
80
A convection current is created when?
Particles with energy move from a hot place to a cool place
Hot air moves downwards because it's denser than cold air
Infrared radiation is given out
A solid vibrates
81
Which two metals are a liquid at room temperature?
Mercury and Amalgram
Mercury and Solder
Mercury and Gold
Mercury and Titanium
82
Which of these terms is correctly defined?
A solvent is a mixture of two solutes
A solute is the liquid something is dissolved into
Soluble means a substance won't dissolve
A solute is the substance being dissolved
83
Which of these is not needed for refraction?
A wave hits a boundary between two substances
The two substances have a different state eg. gas and liquid
The wave is travelling at an angle
The two substances have different densities
84
Which of these statements about the next steps of a small main sequence star isn't true?
The white dwarf then becomes a black hole
The outer layer is ejected
A planetary nebula is the outer layer of dust and gas
A white dwarf forms the hot dense core
85
What is specific heat capacity?
Energy needed to change temp of 1 g of a substance by 1°C
Different between internal and external temperature
Energy needed to change temp of 1 kg of a substance by 10°C
Energy needed to change temp of 1 kg of a substance by 1°C
86
Which kind of pathogen doesn't have a nucleus?
Protozoa
Bacteria
Fungi
Virus
87
Which part of the cell contains your genetic information?
Cell membrane
Mitochondria
Cytoplasm
Nucleus
88
Which of these gases is the biggest cause of the green house effect?
Oxygen
Sulphur Dioxide
Carbon Dioxide
Hydrogen
89
After 700 million years what will a huge main sequence star become next?
Black Hole
Planetary Nebula
Supernova
Red Super Giant
90
Which of these statements about bonding is true?
Covalent bonding involves a sharing of electrons
Covalent bonding happens between a metal and non metal
Ionic bonding can happen between two gases
Metallic bonding does not have delocalised electrons
91
Which of these animals never lay eggs?
Reptiles
Fish
Birds
Mammals
92
Which hormone in the menstrual cycle stimulates the release of an egg?
FSH
Oestrogen
LH
Progesterone
93
A recessive allele is?
Only expressed in absence of dominant allele
Always expressed
Never expressed
94
Which of these is a chemical barrier against infection?
Skin
Eyelashes
Nails
HCL in your stomach
95
Which two metals are used for musical instruments?
Silver and Steel
Brass and Bronze
Bronze and Silver
Brass and Steel
96
Which of these statements about polymers is false?
Polyethene is used for plastic bags
Polystyrene foam is used for insulating homes
Gore-Tex is often used for hiking boots
Nylon is never used for clothing
97
How do you calculate the percentage efficiency in a Sankey diagram?
Useful output ÷ Total input x 100
Total output ÷ Useful input x 100
Total output ÷ Total input x 100
Useful output ÷ Useful input x 100
98
Which of these is a long term effect of drinking too much alcohol?
Poor vision
Liver damage
Being drunk
Bad balance
99
Which of these statements isn't true about meteors?
When they enter the earth's atmosphere they give out light
They are made of chunks of rock
They caused the extinction of the dinosaurs
They orbit the earth
100
Which of these orbits planets?
Sun
Moons
Comets
Black holes
