Cell - Structure, Function and Organisation 2.1

Question 1

What is a cell?

Answer 1

Living things are composed of basic units called cells

Question 2

Chloroplast (plant cell only)

Answer 2

Absorbs light energy for the process of photosynthesis

Question 3

Cell membrane

Answer 3

Controls the flow of materials in and out of the cell

Question 4

Nucleus

Answer 4

• Controls all activities in the cell

- Contains chromosomes consisting of deoxyribonucleic acid (DNA) that carries information

Question 5

Cell wall

Answer 5

Provides support, protection and fixed shape to the cell

Question 6

Cytoplasm

Answer 6

Acts as a medium where chemical reactions occur

Question 7

Vacuole (plant cell only)

Answer 7

Provides support to cells when filled with cell sap

Question 8

Mitochondria (plant cell only)

Answer 8

Produces energy for reactions

Question 9

What is a Multicellular cell? Give some examples.

Answer 9

organisms that consist more than one cell. eg; spirogyra, hydra, mucor

Question 10

What is a Unicellular cell? Give some examples.

Answer 10

organisms that consist of only one cell. eg; amoeba. paramecium, euglena, chlamydomonas