Cells

Question 1

What do both animal and plant cells contain?

Answer 1

A cell membrane, cytoplasm and a nucleus.

Question 2

What do plant cells contain that animal cells don’t?

Answer 2

Chloroplast, cell wall and a vacuole.

Question 3

What is the function of the cell membrane?

Answer 3

Controls what substances can get into and out of the cell.

Question 4

What is the function of the cytoplasm?

Answer 4

Jelly-like substances, where chemical reactions can happen. In plant cells, there is a thin lining, whereas in animal cells most of the cell is cytoplasm.

Question 5

What is the function of the nucleus?

Answer 5

Controls what happens inside the cell, Carries all the genetic information.

Question 6

What is the function of the chloroplast?

Answer 6

Where photosynthesis happens - chloroplasts contain a green substance called chlorophyll.

Question 7

What is the function of the cell wall?

Answer 7

Contains a liquid called cell sap, which keeps the cell firm.

Question 8

What is the function of the vacuole?

Answer 8

Made of a tough substance called cellulose, which supports the cell.

Question 9

Name the specialised cells in animals.

Answer 9

Red blood cells
Nerve cells
Egg cell
Sperm cell

Question 10

Name the specialised cells in plants.

Answer 10

Root hair cell

Leaf cell

Question 11

What is the function of the red blood cell?

Answer 11

To carry oxygen.

Question 12

What is the function of the nerve cell?

Answer 12

To carry nerve impulses to different parts of the body.

Question 13

What is the function of the egg cell?

Answer 13

To join the male cell, and then provide food for the new cell that is formed.

Question 14

What is the function of the sperm cell?

Answer 14

To reach the female cell and then join with it.

Question 15

What is the function of the root hair cell?

Answer 15

To absorb water and minerals.

Question 16

What is the function of the leaf cell?

Answer 16

To absorb sunlight for photosynthesis.

Question 17

What are the specialised features of the red blood cell?

Answer 17

Large surface area for oxygen to pass through.

Contains haemoglobin which joins which joins with oxygen.

Question 18

What are the specialised features of the nerve cell?

Answer 18

Long.
Connections at each end.
Can carry electrical signals.

Question 19

What are the specialised features of the egg cell?

Answer 19

Large.

Contains lots of cytoplasm.

Question 20

What are the specialised features of the sperm cell?

Answer 20

Long tail for swimming.

Head forgetting into female cell.

Question 21

What are the specialised features of the root hair cell?

Answer 21

Large surface area.

Question 22

What are the specialised features of the leaf cell?

Answer 22

Large surface area.

Lots of chloroplasts.

Question 23

Give some examples of tissues.

Answer 23

Muscle.
The lining of the intestine.
The lining of the lungs.
Phloem (tubes that carry dissolved sugar around a plant).
Root hair tissue (for plants to take up water and minerals from the soil).

Question 24

What are organs made of?

Answer 24

Groups of different tissues.

Question 25

Give some examples of organs.

Answer 25

Heart
Lung
Stomach
Brain
Leaf
Root

Question 26

What is organ system made up of?

Answer 26

Groups of different organs which all work together to do a particular job.

Question 27

Give some examples of organ systems.

Answer 27

Circulatory system
Respiratory system
Digestive system
Nervous system
Reproductive system
Leaf canopy

Question 28

What is haemoglobin?

Answer 28

The red protein found in red blood cells that transports blood around the body.