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Checkpoint Science 0893 Overview and All Biology Topics Flashcards | StudBud
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Checkpoint Science 0893 Overview and All Biology Topics
Checkpoint Science 0893 Overview and All Biology Topics
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This is based on units 1, 4 and 7 of the Cambridge Stage 9 Coursebook.
Flashcards
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Questions
54
Answers
1
A pregnant woman must tell her doctor about any prescription medication she is taking.
True
False
2
Name the gas produced during photosynthesis.
oxygen
carbon dioxide
3
What is the approximate coverage of Chemistry in the Cambridge Checkpoint Science exams?
75%
30%
20%
25%
4
How many marks is each Cambridge Checkpoint science paper worth?
45
100
6
50
5
Through which part of a plant is water absorbed?
root hair cells
palisade mesophyll
xylem
phloem
6
What is produced by the fusion of gametes?
fertilised egg cell
zygote
7
Which of these factors contributes to the carbon cycle?
all of these
photosynthesis
fossil fuel combustion
respiration
8
Which of these shows the sex chromosomes in a female?
XX
XY
9
Apart from the reactants, what must be present for photosynthesis to occur?
heat and light
light and chlorophyll
energy and starch
water and energy
10
Plant A is covered with a plastic bag. Plant B is not. Which one loses more mass over 5 days?
Plant B
Plant A
11
If an organism has an _________ feature, they are more likely to survive and pass on their genes to the next generation.
adaptive
advantageous
unadaptive
disadvantageous
12
Which of the following are the reactants of photosynthesis?
carbon dioxide and glucose
glucose and oxygen
glucose and water
carbon dioxide and water
13
approximately _____% of offspring are female.
100%
49%
51%
50%
14
What is magnesium required for?
to make glucose
to make chlorophyll
to make protein
15
What is the approximate coverage of Earth and Space in the Cambridge Checkpoint Science exams?
15%
30%
25%
20%
16
Asteroid collisions with the Earth could result in...
global cooling
global warming
17
Which surface of a leaf has the most stomata?
the lower surface
the upper surface
they are both the same
18
Some of the impacts of climate change include extreme weather events, sea level change and drought.
True
False
19
What is the name of the vessel that transports water up through a plant?
phloem
stomata
xylem
waxy cuticle
20
In which organelle does photosynthesis occur?
nucleus
cell membrane
mitochondrion
chloroplasts
21
In the carbon cycle, the human body returns carbon to the atmosphere through this way:
cellular respiration
photosynthesis
formation of glucose
22
What are genes made of?
chromosomes
DNA
23
Which of these are important tenets of natural selection?
adaptation
variation
competition
inheritance
24
Some of the impacts of climate change include sea level change, drought and volcanic eruptions.
False
True
25
Some of the impacts of climate change include flooding, drought and cooling oceans.
True
False
26
Why is carbon monoxide harmful to a fetus?
It narrows blood vessels
all of the above
It reduces the oxygen carried by haemoglobin
27
What conclusion could be made from this graph?
As light intensity increases, the rate of photosynthesis increases.
If you increase the volume ofoxygen, the distance will go up.
As light intensity increases, the rate of photosynthesis decreases.
There is no relationship between light intensity and distance from light.
28
Which organ filters blood to remove urea?
liver
kidneys
urethra
bladder
29
What is the function of protein?
development of bones and teeth
growth of new cells
30
What is excreted from the bladder?
urea
urine
31
Which of these is the test for oxygen?
limewater turns milky
a glowing splint ignites
squeaky pop
32
In every species, there is variation among individual organisms.
True
False
33
What is the approximate coverage of Biology in the Cambridge Checkpoint Science exams?
20%
15%
25%
30%
34
What is the approximate coverage of Physics in the Cambridge Checkpoint Science exams?
50%
30%
20%
25%
35
In an experiment to test the effect of fertilisers on plant growth, what would be the independent variable?
plant growth
the fertiliser
the volume of water used
36
Where is urea produced?
urethra
bladder
liver
kidneys
37
Which of the following is a plant's source of carbon?
carbonate rocks
atmospheric carbon dioxide
fossil fuels
all of the above
38
In an experiment to test the effect of fertilisers on plant growth, what would be the dependent variable?
how frequent the plant is treated
the plant growth
the type of plant
the quantity of fertiliser used
39
Why is nicotine harmful?
it narrows blood vessels
all of the above
it is addictive
40
What are nitrates required for?
to make chlorophyll
to make protein
to make starch
41
What is the main driver of mass extinctions after an asteroid collision.
the initial collision
widespread fires
blocking out of the sun
tsunamis
42
Which of the following is larger?
sperm cell
egg cell
43
All variation is caused by genes.
True
False
44
What is the role of bacteria in the carbon cycle?
assimilation of nitrogen compounds
chemosynthesis
breakdown of organic compounds
photosynthesis
45
What is absorbed into a plant's roots?
both water and mineral salts
mineral salts
water
46
In this experiment, the number of bubbles produces per minute tells us the rate of photosynthesis.
True
False
47
Name the carbon compound produced by plants.
carbon dioxide
glucose
48
What colour would the yellow part of a variegated leaf turn as a result of the starch test?
green
blue/black
colourless
it would stay yellow
49
What determines an organism's characteristics?
all of the above
environment
genes
50
How many papers will you take for Checkpoint Science?
0
3
1
2
51
What do you need to bring with you to the Checkpoint Science exams?
Pens, pencils, ruler and calculator
Pens, a ruler and a calculator
Pens and pencils
Pens and a ruler
52
Which orgen produces urea?
kidneys
ureter
bladder
liver
53
In the process of _________, genetic changes over a long period of time result in certain features becoming more common.
evolution
resistance
adaptation
natural selection
54
What is the approximate coverage of Thinking and Working Scientifically in the Cambridge Checkpoint Science exams?
100%
25%
15%
20%
