AB test

Question 1

1ai)

Answer 1

not 25%

Question 2

1aii)

Answer 2

Osmosis affected beaker A as the the water moved into the egg which had the LWC. So the water moved from the high water concentration to a low concentration area.

Question 3

1b)

Answer 3

active transport does require energy whereas passive does not.

Question 4

2ai)

Answer 4

not DNA

Question 5

2)

Answer 5

NOT g

Question 6

3a)

Answer 6

aerobic respiration

Question 7

3bi)

Answer 7

glucose

Question 8

3c)

Answer 8

wrong

Question 9

D)

Answer 9

lactate, cytoplasm

Question 10

4)

Answer 10

10%

Question 11

5)

Answer 11

Enzymes are specific so they only join with the substrate to the active site if the substrate is specific to the enzyme.

Question 12

6b)

Answer 12

When an enzyme is boiled the enzyme will denature because it can’t handle a higher temperature than optimum.

Question 13

6c)

Answer 13

pH

Question 14

7a)

Answer 14

bacteria cell

Question 15

B) X =

Y =

Answer 15

X = chromosomes
Y = cytoplasm

Question 16

8a)

Answer 16

Temperature of sugar solution, the volume of pure water.

Question 17

8b)

Answer 17

The movement of sugar solution depended on how much water the sugar solution had, so since the sugar had less water, the pure water had moved from an area of HWC to LWC which caused osmosis to happen, moving the sugar solution back.

Question 18

8c)

Answer 18

The distance moved by a 3.5% sugar solution in 30 minutes would be 31.5mm. This is because by every 1% concentration of sugar solution the distance moved by 9mm. So half of that is 4.5.

Question 19

Section 1 1.

Answer 19

C

Question 20

Section1 2.

Answer 20

D

Question 21

section1 3

Answer 21

NOT D

Question 22

section1 4

Answer 22

NOT B

Question 23

section1 5

Answer 23

B

Question 24

section1 6

Answer 24

A

Question 25

section1 7

Answer 25

NOT B

Question 26

section1 8

Answer 26

A

Question 27

section1 9

Answer 27

NOT D

Question 28

section1 10

Answer 28

C