Paper 1 B2

Question 1

What do enzymes do?

Answer 1

Break down starch and sugars

Question 2

What is the use of idoine

Answer 2

Test for starch

Question 3

What test is used for sugars

Answer 3

Benedict’s

Question 4

What colour will the solution turn in iodine /test for starch

Answer 4

Black

Question 5

What colour will the solution turn in the test for sugars/ Benedict’s

Answer 5

Yellow

Question 6

What are the walls of arteries like?

Answer 6

Thick

Question 7

Are capillaries big

Answer 7

No, only one cell thick

Question 8

How are capillaries specialised to gas exchange

Answer 8

Gaps in walls to diffuse easier

Question 9

What stops blood going in the wrong direction

Answer 9

Valves

Question 10

What blood cell fights against infection

Answer 10

White blood cell

Question 11

What do some white blood cells produce

Answer 11

Antibodies

Question 12

Do white blood cells have a nucleus

Answer 12

Yes

Question 13

What are communicable diseases

Answer 13

Can be spread person to person
Bacteria or fungi
Malaria and measles

Question 14

What is non communicable disease

Answer 14

Can not be spread
Heart disease

Question 15

What do immune system helps what?

Answer 15

Fight off pathogens

Question 16

Can diet effect a persons health

Answer 16

Yes

Question 17

How
is cancer spread through. The body

Answer 17

Cell growth and division

Question 18

What 2 lifestyle factors can increase risk of cancer

Answer 18

Smoking and obesity

Question 19

What is a tissue

Answer 19

Group of cells have a similar structure

Question 20

What is transpiration

Answer 20

Process of water movement in leaves or similar

Question 21

What is a statin

Answer 21

Lower cholesterol in blood

Question 22

1 advantage and disadvantage of statin

Answer 22

Help lower blood production
Could get memory loss

Question 23

What is an organ system

Answer 23

A group of organs work to together to perform functions