2015 Flashcards
1
Q
Name four factors needed for photosynthesis
A
Carbon Dioxide
- from the air
Water
- from the roots
Chlorophyll
- green pigment, converts light to chemical energy
- Light*
- energy from the sun to create food
2
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A
3
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A
4
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A
5
Q
What enzyme acts like a starch clipper?
A
6
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A
7
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A
8
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A
9
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A
10
Q
What does the alveolus do?
A
11
Q
Do you know the photosynthesis word equation?
A
12
Q
What is meant by the fertile period of the menstrual cycle?
A
The time when fertilisation is most likely to occur
- The ovary releases an egg
- The lining of the uterus thickens with blood
13
Q
A
14
Q
Name the final process in water treatment, labelled E
A
Flouridation
Flourine is added
15
Q
What is phototropism?
A
The growth response of a plant to light
16
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A
17
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A
18
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A
19
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A
20
Q
During process D micro-organisms in the water are killed when a certain chemical is added.
Name the chemical
A
Chlorine
Cl2
21
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A
22
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A
23
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A
24
Q
What does the alveolus do?
A
O2 Added to the blood
CO2 Removed from the blood
25
26
27
Names two parts of our digestive system where the breakdown of starch takes place.
Mouth
Small intestine
28
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Hydrogen
31
What do you remember about **photosynthesis**?
32
How could you test a liquid to see if it is **water**?
33
Name the _two products_ of **photosynthesis**?
**Glucose**
**Oxygen**
34
Name two **plant tissues**
**_Xylem_**. It carries _water and minerals_ upwards to the leaves and flowers.
**_Phloem_**. It carries food made in the leaves to all the other parts of the plant.
35
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38
What are the two **tropisms** in plants?
**Phototropism**
**Geotropism**
39
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42
Names some human inheritable characteristics
_eye colour_
_hair colour_
_freckles_
43
44
What does the **xylem** of a plant do?
It carries **water and minerals** from the roots to the leaves and the flowers
45
46
What does the **phloem** in the plant do?
It carries food made in the leaves to all the other parts of the plant
47
8 Paper Clips would be picked up
_Fair test:_
* Same type of paper clips*
* Same magnet*
* Same battery*
* Same type of wire*
48
49
50
At what temperature does water boil?
* At sea level
* On Mount Everest
51
52
_Starch_ is a form of _carbohydrate_
## Footnote
**Name two other forms of carbohydrate**
**Sugar**
**Fibre** *_(Cellulose)_*
53
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55
What is **Geotropism**?
56
**Arteries & Veins**
Name two structural differences between arteries and veins
1. **Veins** have **valves** so blood doesn't flow backwards.
2. **Arteries** have **thicker walls** because the blood is at higher pressure
57
What is **fertilisation**?
The _fusion_ between _male and female gametes_ to produce a **zygote**
58
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60
Carbon dioxide is one of the other gases found in air.
Describe an experiment to show that carbon dioxide is found in air. It may be helpful to draw a diagram.
61
Name the _enzyme_ that begins to _break down starch_ in our digestive system?
**Amalyse**
* Mouth (Saliva)*
* Small intestine*
62
What's a **gamete**?
A sex cell
63
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65
Outline one piece of experimental evidence which shows that air is a mixture, rather than a compound.
66
67
Name the water treatment stages
**A: Screening**
**B: Settlement**
**C: Filtration**
**D: Chlorination**
**E: Flouridation**
68
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70
What is **tropism**?
A **tropism** is the growth response of a plant to a stimulus
*_light_*
*_gravity_*
*_water_*
*_touch_*
71
72
It's an Ammeter.
It measures Current
73
What are **chromosomes** made of?
**DNA** and **protein**
74
75
IRON
Steel
Cobalt
Nickel
76
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78
What's an **isotope**?
**Isotopes** are atoms of the same element that have _different numbers of neutrons_
79
80
How many different pairs of chromosomes are usually found in the nucleus of the human cell?
23 Pairs
81
82
Do you know how starch, maltose and glucose are related?
83
What name is given to the parts of chromosomes that control inheritable characteristics?
**DNA**
84
What is the normal temperature of an adult human body in degrees Celcius?
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