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Question 1

What cell contains genetic information

Answer 1

Nucleus

Question 2

What cell controls what enters and leaves the cell

Answer 2

Cell memberane

Question 3

Where does photosunthesis happen

Answer 3

Chloroplast

Question 4

A chemical excreted by animals is ?

Answer 4

Urea

Question 5

A chemical stored in animal cells is ?

Answer 5

Glyclogen

Question 6

A chemical stored in plant cells is ?

Answer 6

Starch

Question 7

A chemical that strengthens plant cell walls is ?

Answer 7

Cellulose

Question 8

Give a function of a muscle cell

Answer 8

Allows movement

Question 9

How are muscles cells adapted to their function

Answer 9

Mitrochondria to transfer a lot of energy

Question 10

What substance is used as an antibiotic?

Aspirin
Digitalis
Penicillin

Answer 10

Penicillin

Question 11

Whats one symptom of gonorrhoea

Answer 11

Vomitting

Question 12

What is a control variable

Answer 12

Keep the same/dont change

Question 13

Why cant antibiotics be used to treat HIV infections

Answer 13

Antibiotics cannot kill viruses

Question 14

Define fermentation

Answer 14

A substance breaks down into a simple substance

Question 15

What is the equation for animal cells

Answer 15

Gluclose –> lactic acid

Question 16

Which organ from plant cell absorbs water from the soil

Answer 16

Root

Question 17

The concentration of nitrate ions in the soil is lower than the concentration of nitrate ions inside a plant.
How would the nitrate ions move from the soil into the cells of this plant?

Answer 17

Active transport

Question 18

Define active transport

Answer 18

The movement of ions across a cell membrane into a reigon of higher concentration

Question 19

Define osmosis

Answer 19

The movement of water molecules from a solution of high to low

Question 20

Define translocation

Answer 20

A genetic change in which one chromosome breaks off and attaches to another chromosome

Question 21

Define evapouration

Answer 21

Liquid to vapour

Question 22

One use of sugars in a plant ?

Answer 22

To produce protien

Question 23

Define gaurd cell

Answer 23

A cell that is surrounded by stoma

Question 24

Define meristem cell

Answer 24

Area of unspecialised cells in plants that are capable of cell division

Question 25

Define palisade cell

Answer 25

Outermost layer on a leaf and packed cells

Question 26

Why do stomata open during the day

Answer 26

To allow carbon dioxide in

Question 27

Define stomata cells

Answer 27

Small pores on a leaf formed by a par of gaurd cells

Question 28

Water vapour is lost through stomata. Explain the difference in the number of stomata on the upper and lower surfaces of the leaves.

Answer 28

There are less stomata on the upper surface of the leaves because its more Warmer

Question 29

What is the equation for photosynthesis? C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O 6 CO2 + 6H2O --> C6H12O6 + 6 O2 6H2O + 6 O2 --> C6H12O6 + 6 CO2 6 O2 + 6 CO2 --> C6H12O6 + 6 H2O

Answer 29

6 CO2 + 6H2O --> C2H12O6 + 6 O2

Question 30

Define independent variable

Answer 30

A variable that doesent depend on another/ isnt changed by other variables