Organisation

Question 1

Put these things in order of smallest to largest: organism, organ system, cell, tissue, organ.

Answer 1

cell, tissue, organ, organ system,organism

Question 2

What is the test for starch and what colour does it turn if it is positive or negative

Answer 2

iodine
positive: black, blue
negative: orange, brown

Question 3

What is the test for sugar and what colour does it turn if it is positive or negative

Answer 3

benedict’s solution
positive: brick red
negative: blue(no change)

Question 4

What is the test for protein and what colour does it turn if it is positive or negative

Answer 4

biuret a and b
positive: purple
negative: blue(no change)

Question 5

What is the test for lipids and what colour does it turn if it is positive or negative

Answer 5

emulsion
positive: cloudy white
negative: clear

Question 6

what is a catalyst?

Answer 6

a substance that speeds up the rate of a reaction

Question 7

where is bile produced

Answer 7

liver

Question 8

where are enzymes containing amylase, protease and lipase produced

Answer 8

pancreas, small intestine

Question 9

what enzyme does saliva contain

Answer 9

amylase

Question 10

what does the large intestine digest

Answer 10

food

Question 11

in the stomach, what is protein digested into by protease

Answer 11

amino acids

Question 12

where is food digested and nutrients absorbed

Answer 12

small intestine

Question 13

where is water absorbed from undigested food

Answer 13

large intestine

Question 14

what are enzymes made out of

Answer 14

protein

Question 15

what happens to the shape of an enzyme once it becomes denatured and what does it mean for the substrate

Answer 15

it changes shape meaning the substrate cant fit and no reaction happens

Question 16

what is produced when amylase breaks down starch

Answer 16

sugar

Question 17

what does lipase break down lipids into

Answer 17

fatty acids, glycerol

Question 18

what is the optimum temp for enzymes

Answer 18

37.4 degrees

Question 19

what is the optimum ph for protease

Answer 19

2

Question 20

what is the optimum ph for amylase

Answer 20

7

Question 21

what is the optimum ph for lipase

Answer 21

8

Question 22

what substance would break a large lipid droplet into small droplets

Answer 22

bile

Question 23

where is bile stored

Answer 23

gallbladder

Question 24

what organ is bile excreted into

Answer 24

small intestine

Question 25

what is the function of bile

Answer 25

to neutralise stomach acid

Question 26

why does bile break down large lipid droplets into smaller ones

Answer 26

so lipase can break the fat down

Question 27

where does gas exchange occur

Answer 27

lungs(alveoli)

Question 28

a large surface area of alveoli increase the rate of ____.

Answer 28

diffusion

Question 29

what is the formula for bpm

Answer 29

bpm=number of breaths/minutes

Question 30

what is diffusion

Answer 30

the movement of particles from a high conc to a low conc

Question 31

put these words in order for the pathway of air to the blood: trachea, bronchus, bronchial, blood, alveoli, mouth

Answer 31

mouth, trachea, bronchus, bronchial, alveoli, blood

Question 32

what is a risk factor for lung disease

Answer 32

smoking, soot, air pollution

Question 33

what does lung disease result in(3)

Answer 33

less oxygen, respiration and energy released

Question 34

which way does blood flow in the veINs compared to arterys

Answer 34

veins-into the heart artery- away from heart

Question 35

which side of the heart is deoxygenated blood pumped from

Answer 35

right

Question 36

which side of the heart is oxygenated blood pumped from

Answer 36

left

Question 37

what is the bottom part of the heart called

Answer 37

ventricles

Question 38

what is the top part of the heart called

Answer 38

atriums

Question 39

what artery pumps deoxygenated blood to the lungs

Answer 39

pulmonary

Question 40

what vein pumps oxygenated blood to the lungs

Answer 40

Pulmonary

Question 41

which vein pumps deoxygenated blood to the body

Answer 41

vena cava

Question 42

which artery pumps oxygenated blood to the body

Answer 42

aorta

Question 43

what do the coronary arteries supply the body with for respiration

Answer 43

glucose

Question 44

what is the function of a capillary

Answer 44

to pump blood to every cell in the body

Question 45

what is the thickest out of: artery capillary and vein

Answer 45

artery

Question 46

what has the biggest lumen size out of: artery capillary and vein

Answer 46

vein

Question 47

how thick is a capillary

Answer 47

one cell thick

Question 48

what 4 things is the blood made out of

Answer 48

platelets , rbcs, wbcs, plasma

Question 49

what is the function of platelets

Answer 49

to help the blood clot at a wound

Question 50

what is the function of plasma

Answer 50

to carry co2 from organs to lungs

Question 51

what makes up the majority of the blood

Answer 51

plasma

Question 52

what do statins do

Answer 52

lower cholestrol

Question 53

what are statins

Answer 53

a pill

Question 54

what does a stent do

Answer 54

opens up your arteries

Question 55

what is a stent

Answer 55

a wire mesh you put in your blocked arteries

Question 56

what is a risk factor

Answer 56

increase in the chance of developing a non communicable disease in your life.

Question 57

what are a plants 5 organs

Answer 57

roots, leaves, stems, flowers, fruits

Question 58

how is the upper epidermal tissue of the stomata adapted to let light through it

Answer 58

it is transparent

Question 59

how is the palisade mesophyll in the stomata adapted to get the most light

Answer 59

lots of chloroplasts at the top of the leaf

Question 60

what are benign tumours?

Answer 60

Benign tumours are growths of abnormal cells which are contained in one area, usually within a membrane. They do not invade other parts of the body.

Question 61

what are non benign tumours?

Answer 61

Malignant tumour cells are cancers. They invade neighbouring tissues and spread to different parts of the body in the blood where they form secondary tumours.