2015

Question 1

Name four factors needed for photosynthesis

Answer 1

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

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

What enzyme acts like a starch clipper?

Answer 5

Question 6

Answer 6

Question 7

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

What does the alveolus do?

Answer 10

Question 11

Do you know the photosynthesis word equation?

Answer 11

Question 12

What is meant by the fertile period of the menstrual cycle?

Answer 12

The time when fertilisation is most likely to occur

1. The ovary releases an egg
2. The lining of the uterus thickens with blood

Question 13

Answer 13

Question 14

Name the final process in water treatment, labelled E

Answer 14

Flouridation

Flourine is added

Question 15

What is phototropism?

Answer 15

The growth response of a plant to light

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

During process D micro-organisms in the water are killed when a certain chemical is added.

Name the chemical

Answer 20

Chlorine

Cl2

Question 21

Answer 21

Question 22

Answer 22

Question 23

Answer 23

Question 24

What does the alveolus do?

Answer 24

O₂ Added to the blood

CO₂ Removed from the blood

Question 25

Answer 25

Question 26

Answer 26

Question 27

Names two parts of our digestive system where the breakdown of starch takes place.

Answer 27

Mouth

Small intestine

Question 28

Answer 28

Question 29

Answer 29

Question 30

Answer 30

Hydrogen

Question 31

What do you remember about photosynthesis?

Answer 31

Question 32

How could you test a liquid to see if it is water?

Answer 32

Question 33

Name the two products of photosynthesis?

Answer 33

Glucose

Oxygen

Question 34

Name two plant tissues

Answer 34

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.

Question 35

Answer 35

Question 36

Answer 36

Question 37

Answer 37

Question 38

What are the two tropisms in plants?

Answer 38

Phototropism

Geotropism

Question 39

Answer 39

Question 40

Answer 40

Question 41

Answer 41

Question 42

Names some human inheritable characteristics

Answer 42

eye colour

hair colour

freckles

Question 43

Answer 43

Question 44

What does the xylem of a plant do?

Answer 44

It carries water and minerals from the roots to the leaves and the flowers

Question 45

Answer 45

Question 46

What does the phloem in the plant do?

Answer 46

It carries food made in the leaves to all the other parts of the plant

Question 47

Answer 47

8 Paper Clips would be picked up

Fair test:

• Same type of paper clips*
• Same magnet*
• Same battery*
• Same type of wire*

Question 48

Answer 48

Question 49

Answer 49

Question 50

At what temperature does water boil?

• At sea level
• On Mount Everest

Answer 50

Question 51

Answer 51

Question 52

Starch is a form of carbohydrate

Name two other forms of carbohydrate

Answer 52

Sugar

Fibre (Cellulose)

Question 53

Answer 53

Question 54

Answer 54

Question 55

What is Geotropism?

Answer 55

Question 56

Arteries & Veins

Name two structural differences between arteries and veins

Answer 56

1. Veins have valves so blood doesn’t flow backwards.
2. Arteries have thicker walls because the blood is at higher pressure

Question 57

What is fertilisation?

Answer 57

The fusion between male and female gametes to produce a zygote

Question 58

Answer 58

Question 59

Answer 59

Question 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.

Answer 60

Question 61

Name the enzyme that begins to break down starch in our digestive system?

Answer 61

Amalyse

• Mouth (Saliva)*
• Small intestine*

Question 62

What’s a gamete?

Answer 62

A sex cell

Question 63

Answer 63

Question 64

Answer 64

Question 65

Outline one piece of experimental evidence which shows that air is a mixture, rather than a compound.

Answer 65

Question 66

Answer 66

Question 67

Name the water treatment stages

Answer 67

A: Screening

B: Settlement

C: Filtration

D: Chlorination

E: Flouridation

Question 68

Answer 68

Question 69

Answer 69

Question 70

What is tropism?

Answer 70

A tropism is the growth response of a plant to a stimulus

light

gravity

water

touch

Question 71

Answer 71

Question 72

Answer 72

It’s an Ammeter.

It measures Current

Question 73

What are chromosomes made of?

Answer 73

DNA and protein

Question 74

Answer 74

Question 75

Answer 75

IRON

Steel

Cobalt

Nickel

Question 76

Answer 76

Question 77

Answer 77

Question 78

What’s an isotope?

Answer 78

Isotopes are atoms of the same element that have different numbers of neutrons

Question 79

Answer 79

Question 80

How many different pairs of chromosomes are usually found in the nucleus of the human cell?

Answer 80

23 Pairs

Question 81

Answer 81

Question 82

Do you know how starch, maltose and glucose are related?

Answer 82

Question 83

What name is given to the parts of chromosomes that control inheritable characteristics?

Answer 83

DNA

Question 84

What is the normal temperature of an adult human body in degrees Celcius?

Answer 84

Question 85

Answer 85

Question 86

Answer 86