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P3 B3 C3 New technology Flashcards | StudBud
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P3 B3 C3 New technology
P3 B3 C3 New technology
43 terms
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Based on the first chapter of Biology Chemistry and Physics from the Oxford Activate 3 series.
Flashcards
43 cards
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Practice quiz
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Questions
43
Answers
1
What is the unit for nanometre?
mn
n
nm
m
2
how can the demand for electricity be met in the future ?
call in the X men
carry out further research into nuclear fusion
kill lots of people so we don't waste electricity
further pollution of the air , water and land
3
Which is the false example of genetic engineering?
Producing a dog with two heads
Producing rice with vitamin A
Producing tomatoes with antifreeze
Producing bacteria that make insulin
4
A result that doesn't fit the pattern of your results is an
Altruistic result
Annulment
Alternative result
Anomalous result
5
To calculate the mean result you
Add the data together
Add the data and divide by the number of trials
Add the data together and divide by 100
Choose your favourite data
6
genetically inherited disorders are
haemophilia , polydactyl and OCD
Brexilitis, ingrowing eyebrows, Nandos addiction
cystic fibrosis , polydactyl , Asperger disorder
cystic fibrosis , polydactyl , haemophilia
7
If all of your results are close to the mean they are
Fair
Precise
Awesome
Accurate
8
Which is an efficient component that gives out light
optical fibre
light dependent resistor
light emitting diode
magnetic resonance imaging
9
How do you calculate percentage change?
(initial value - final) / initial
((initial value + final) / initial) x 100
((initial value - final) / initial) x 100
((initial value - final) / final) x 100
10
What is meant by efficient?
the proportion of the energy transferred in useful ways
something that will never run out
completing something the fastest
being able to use something more than once
11
How many copies is needed for a recessive allele to be expressed in an organism?
1
2
3
4
12
Control variables are variables that
Must be changed
Must be removed
Must be kept the same
Must be measured
13
What is selective breeding?
Breeding organisms with desired characteristics
Creating offspring genetically identical to the parent
Creating offspring genetically identical to the parent
X men
14
Data that can take any number is said to be
Accurate
Continuous
Categoric
Reliable
15
Which are uses of nanoparticles in medicine?
Destroying cancer cells
Colour changing bandages
Delivering drugs
Releasing antibiotics
16
The fermentation equation is:
glucose + oxygen -> CO2 + H2O
glucose -> ethanol and CO2
CO2 + ethanol -> glucose
ethanol + glucose -> CO2
17
Which of the animals below reproduce asexually?
Sheep
Coral
Jellyfish
Cows
18
Is the allele for cystic fibrosis dominant or recessive?
Dominant
I don't know
I don't care
Recessive
19
This type of enzyme can be used to pre-digest proteins during the manufacture of baby foods
lipase
amylase
protease
20
Which is not a potential use of nanoparticles?
Strengthening sports equipment
Making wind turbines
Waterproofing electronics
Predicting the future
21
which is NOT a way of looking in the human body?
MRI
X ray
endoscope
telescope
22
How much will you revise for science?
A little
Not a lot
A lot
Lots and lots
23
What is genetic engineering?
Creating offspring genetically identical to the parent
Altering an organism's genes to get desired characteristics
Breeding organisms with desired characteristics
X men
24
Which of the following disorders is not inherited?
Lung cancer
Cystic fibrosis
Polydactyly
Huntington's
25
An excellent scientific conclusion
Describe the pattern of results
Suggests how to improve an investigation
Describes the pattern and gives example results.
Describes the pattern and quantifies the relationship.
26
analogue signals can have any values. true or false
true
false
27
Which one of these is NOT an electromagnetic wave
microwaves
UW waves
IR radiation
28
Using a small scale measuring device makes your results
Precise
Accurate
Valid
Reliable
29
What is a 1 or a 0 called?
numbers
binary
dinary
30
What is a dependent variable?
One that you change
One that depends on the independent variable. You measure it
One that you keep the same
One that you ignore
31
what does the genetic disorder polydactyly cause to the sufferer?
To cause them to be born with extra digits
To have delayed physical growth
To have muscle spasms and weak muscles
To produce lots of sticky thick mucus
32
Lactose is...
solid particles of cheese
a type of sugar found in milk
a salt found in the pancreas
the new one direction single
33
Refraction is the bending of light waves. True or False
False
True
34
How do you calculate percentage?
(the part / the total) / 100
(the part x the total) x 100
(the part / the total) x 100
(the part / the total)
35
What body parts can an ultrasound NOT see?
cancerous cells
uterus
heart
pancreas
36
how many copies of the allele for blue eyes do you need for the characteristic to be expressed?
2
3
1
99
37
What is a disadvantage of using a hybrid car?
It causes pollution as it moves
It is slow to charge
It can fly
It is very noisy
38
Carbon nanotubes are / have
weakest and softest materials that exist
High densities
Excellent conductors of heat
Small surface areas
39
What is cloning?
Altering an organism's genes to get desired characteristics
X men
Breeding organisms with desired characteristics
Creating offspring genetically identical to the parent
40
What is the width of a nanotube?
1nm
0.001m
0.000000000000000000000000000000000000000000001m
0.000000001m
41
Which of these items of clothing use nanoparticles?
bullet proof vests
boots
coats
42
What is a gamma ray used for?
To measure someone's heart rate
To see how someone’s kidneys are functioning
A simple way of looking inside someone using an endoscope
Making images of inside of your body
43
Huntington's disease is an inherited condition that damages certain _____________.
monocytes in the blood
mucus cells in the lungs
nerve cells in the brain
