Year 10 exam 🧫

Question 1

What’s the difference between eukaryotes and prokaryotes

Answer 1

Eukaryotes have a nucleus and a cell membrane

Question 2

How do you calculate magnification

Answer 2

Size of image / size of object

Question 3

Name an aseptic technique

Answer 3

Petri dish and zone of inhibition

Question 4

What the difference between an electron microscope and a light microscope

Answer 4

Electron has a higher resolution and magnification

Question 5

What is mitosis

Answer 5

2 sets of chromosomes separated to opposite poles of cell

Question 6

What is therapeutic cloning

Answer 6

Embryo cloned with the same genetic makeup as the patient, no rejection

Question 7

What is active transport

Answer 7

The movement of molecules from a low concentration to a high concentration

Question 8

What is osmosis

Answer 8

Movement of water molecules from a high water potential to low water potential

Question 9

What is diffusion

Answer 9

Movement of molecules from a region of high concentration to low concentration

Question 10

Define what’s a cell

Answer 10

The basic building block of all moving organisms, each have a specific function

Question 11

How are organ systems formed

Answer 11

Tissues grouped together to perform a specific function make up an organ, a group of organs with work together form an organ system

Question 12

Name 3 examples of an organ system

Answer 12

Respiratory, circulatory, digestive

Question 13

What does the circulatory system do

Answer 13

Pumps blood around our body, from the heart to the lungs and all the body

Question 14

What does the digestive system do

Answer 14

Breaks down and absorbs food

Question 15

What does the respiratory system do

Answer 15

Pumps oxygen around the body

Question 16

Name 2 fungal disease

Answer 16

Rose black spot and athletes foot

Question 17

Name 2 bacterial diseases

Answer 17

Salmonella and gonorrhoea

Question 18

Name 2 viral diseases

Answer 18

Tobacco mosaic virus and HIV

Question 19

Name a protist disease

Answer 19

Malaria

Question 20

How does our body protect us from disease

Answer 20

White blood cells produce antibodies, antitoxins and engulf the pathogen through phagocytosis

Question 21

How do you create monoclonal antibodies

Answer 21

An lymphocyte is injected out of a mouse and fused with a tumour cell to form a hybrid ima cell which is cloned to make specific antibodies

Question 22

Where can monoclonal antibodies be used

Answer 22

Pregnancy tests and treat cancer

Question 23

What is the symbol for glucose

Answer 23

C6H12O6

Question 24

Name a type of aerobic respiration

Answer 24

Photosynthesis

Question 25

Name a type of anaerobic respiration

Answer 25

Alcohol fermentation

Question 26

What is homeostasis

Answer 26

The maintain of a constant internal environment to keep good conditions for enzyme cell function

Question 27

How does the human nervous system react

Answer 27

Sensory neurone detects stimulus and the impulses travels to Cental Nervous System when is is passed along the motor neurone and the effector cells receive the impulse

Question 28

What does type 1 diabetes mean

Answer 28

Not enough insulin is produced by the pancreas

Question 29

What does type 2 diabetes mean

Answer 29

The body cells don’t respond to insulin

Question 30

What is the required practical for microscopes

Answer 30

Magnify an onion with course and then fine focusing wheel

Question 31

What is the required practical for osmosis

Answer 31

Potato cylinder in salty water to absorb water

Question 32

What is the required practical for photosynthesis

Answer 32

Pondweed in a vase with water and measure the gas released, using light

Question 33

What does amylase break down

Answer 33

Starch into glucose

Question 34

What does protease break down

Answer 34

Proteins into amino acids

Question 35

What does lipase break down

Answer 35

Lipids into fatty acids and glyerol

Question 36

What does carbohydrase break down

Answer 36

Carbohydrates into sugars

Question 37

How do you test for starch

Answer 37

Iodine solution, it turns bluey black

Question 38

How do you test for protein

Answer 38

Biurets solution, it turns purple

Question 39

How do you test for glucose

Answer 39

Benedict’s solution, it turns red

Question 40

How do you test for lipid

Answer 40

Ethanol, it turns cloudy white

Question 41

What does the cell wall do

Answer 41

Provides structure for the cells

Question 42

What does the cell membrane do

Answer 42

Controls what goes in and out of the cell

Question 43

What do mitochondria do

Answer 43

Where aerobic respiration occurs and creates energy for respiration

Question 44

What does a vacuole do

Answer 44

Stores sap and water

Question 45

What do ribosomes do

Answer 45

Where protein synthesis occurs

Question 46

What do chloroplasts do

Answer 46

Sure of photosynthesis

Question 47

What does a nucleus do

Answer 47

Stores the DNA

Question 48

What does the cytoplasm do

Answer 48

Where chemical reactions take place in the cell

Question 49

What are plasmids in a bacteria cell

Answer 49

Small rings of DNA

Question 50

What does a phlagellum do

Answer 50

Helps move the bacteria cell