100 Quick Fire B1 Questions

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  • Created by: m.sss
  • Created on: 01-05-17 19:22
what are independent variables?
things that you change
1 of 100
what are dependent variables?
things that we measure
2 of 100
what are control variable?
the thing we keep thesame
3 of 100
how do we measure the range?
the lowest value to the higest value E.G. 10cm-70cm
4 of 100
how do we measure the interval?
the gap between the diffrent mesurments E.G. 10cm,20cm,30cm INTERVAL IS 10cm
5 of 100
why do animals need to detect changes in their surroundings?
so they can respond to the changes and to danger
6 of 100
what is adaption?
something that happens gradually over time, to be better suited to the enviroment
7 of 100
give 3 adaptions that are seen in animals
cammel humps, fur, fur colour
8 of 100
give 3 adaptions that are seen in plants
cactus(large surface area to store water), roots (shallow, wide), thorns (to stop them being eaten)
9 of 100
what are antibiotics?
medication that kill BACTERIA
10 of 100
what do vaccines do?
ecorages the body to make antibodies
11 of 100
what can talidomide be used to treat?
leprosy
12 of 100
what was talidomide used to treat when it first came out?
morning sickness
13 of 100
what is asexual reproduction?
new organisms that are indentical to parents
14 of 100
give an example of asexual reproduction
plants sending runners
15 of 100
what is sexual reproduction
fusion of gammets (sex cells), so the offspring is not identical to parents
16 of 100
what is carcinogen?
cancer causing agent
17 of 100
what is cholesterol?
a fatty substanace found in the body
18 of 100
where is cholesterol made?
liver
19 of 100
what is 'bad cholestrol'?
LDL- Low Density Lipoproteins
20 of 100
what does 'bad cholestrol' do?
clogs things up and leads to heart disease
21 of 100
what is 'good cholestrol'?
HDL- High Desnity Lipoprotiens
22 of 100
what are chromosomes?
coils of DNA found in thne nucleus
23 of 100
how many chromosome are in a human skin cell?
46
24 of 100
how many chromosome are in a human sex cell?
23
25 of 100
what is DNA?
Deoxyribo Nucleic Acid, Hold all of the genetic information for the cell
26 of 100
what happens to somethings when it is decompsing?
it breaks down
27 of 100
what are drugs?
chemicals that change the way the body works
28 of 100
why do we have drug trials?
to test dosage, side effects and efiecency
29 of 100
why do we need to know about side-effect?
the make sure the drug is safe and that the side effects are not worse that the actual disease
30 of 100
what is a syimulus?
change to the enviroment
31 of 100
what is an effector?
some thing that produces a response to a stimules
32 of 100
what is receptor?
a sense organ
33 of 100
what is reflex?
an invuluntary action that you cant contol
34 of 100
what is an embryo?
a ball of cells that may turn into a baby
35 of 100
where should a embryo be placed?
in the uterus
36 of 100
what is a foetus?
an unborn baby
37 of 100
what doe enzymes do?
biological catalysts, that break things down
38 of 100
what does evolve mean?
to gradually change over time
39 of 100
what has happened to species when it is extinct?
it has died out
40 of 100
what is mutation?
a change in the genes
41 of 100
what is natural selcetion?
the best suited organisim to survive in the enviroment
42 of 100
what is the menstrual cycle?
a cycle of hormones that occur every month in a woman
43 of 100
what is FSH?
Follicle Stimulating Hormone
44 of 100
what does FSH do?
stimulates the ovaries to produce oestrogen
45 of 100
where is FSH produces?
pituitary gland
46 of 100
what is LH?
Luteinizing Hormone
47 of 100
what does LH do?
stimulates the release of an egg
48 of 100
where is LH produced?
pituitary gland
49 of 100
what does oestrogen do?
slow don the production of FSH and stimulate LH production
50 of 100
where is oestrogen produced?
ovaries
51 of 100
what doe the ovaries do?
mature and release eggs
52 of 100
what does progesterone do?
maintains the lining of the uterus
53 of 100
where is progesterone produced?
the ovaries
54 of 100
give 2 ways you can use hormones to control fertility?
contraceptive pill, IVF
55 of 100
what is a gamete?
a sperm or egg cell
56 of 100
what do genes do?
contol our characteristics
57 of 100
what do glands do?
secrete sweat or hormones
58 of 100
where is the pituitary gland?
in the brain
59 of 100
what does a herbicide do?
kill plants
60 of 100
what doe hormones do?
regulatory chemical that triggers action in cells or tissure
61 of 100
what is an infectious disease?
a disease that spreads easily through air or water
62 of 100
what is a pathogen?
a disease carrying microogranisms
63 of 100
what is a toxin?
a poisen that is produced by something living
64 of 100
what does insulin do?
contorls blood sugar
65 of 100
where is insulin produced?
pancreas
66 of 100
when might someone become malnourished?
they dont have enough food or the right type of food
67 of 100
why might someone be obese?
because they eat too much
68 of 100
what is leprosy?
a contagious diesease that affects the skin and nerves
69 of 100
what is the metobolic rate?
time at which the body used energy
70 of 100
what is MRSA?
antibiotic resistance superbug
71 of 100
what are neurons?
specialist cells that will transmit electric signals
72 of 100
what is a synapse?
the gap between neurons
73 of 100
what is a predator?
something that hunts or kills other animals
74 of 100
what is the CNS
Central Nervous System
75 of 100
what does the CNS consist of
spinal chord and brain
76 of 100
what is homeostasis?
maintaing a constant internal enviroment
77 of 100
what conditions need to be controlled by homeostasis?
temp, blood sugar, level of water and ions in the blood
78 of 100
what is a population?
total number of individuals of the same species in an area
79 of 100
what is a community?
total number of organisms in an area
80 of 100
what resources do animals and plants compete for?
food, water, space
81 of 100
give an example of how a polor bear is adapted to its enviroment
thick fur, layer of fat, thick feet
82 of 100
give an example of how a cactus is adapted to its enviroment
thorns, can hold lots of water, long shallow roots pick up water
83 of 100
who developed the theory of natual selection?
Charles Darwin
84 of 100
what is the theory of Natural Selection?
better survival based on adaptation
85 of 100
who thought that characteristic developed over a lifetime could be passed on to offspring?
Lamark
86 of 100
What is phototropism?
growing towards light
87 of 100
what is geotropisms
growing towards gravity
88 of 100
where are auxins found?
growing plant tips
89 of 100
what are extremophiles?
organisms that live in extreme conditions
90 of 100
what is biomass?
total mass of a living material
91 of 100
where does the energy at the start of a food chain come from?
the sun
92 of 100
in a food chain where can energy be wasted?
respiration or waste (wee or poo)
93 of 100
what is photosynthesis?
plants getting enerygy from the sun
94 of 100
what is the equation for photosythesis?
carbon dioxide +water ----> glucose + oxygen
95 of 100
how does carbon get from animal or plants back into the ground?
via wate (wee/poo) or death
96 of 100
how does carbon get from animal or plants back into the air?
respiration or burning
97 of 100
what is decay?
breaking down of someting
98 of 100
how can we control the rate of decay?
by controlling the temp, oxygen level or water level
99 of 100
are you going to do amazing in your exams?
YESS :)
100 of 100

Other cards in this set

Card 2

Front

what are dependent variables?

Back

things that we measure

Card 3

Front

what are control variable?

Back

Preview of the front of card 3

Card 4

Front

how do we measure the range?

Back

Preview of the front of card 4

Card 5

Front

how do we measure the interval?

Back

Preview of the front of card 5
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