Topic 01-Organization Of Organisms

Question 1

Functions of cell membrane

Answer 1

1. Surround the cytoplasm and separate it from its surroundings
2. Controls the movement of dissolved substances in and out of the cell

Question 2

Functions of Cytoplasm

Answer 2

1. Contains water and substances such as water and sugar

2. Provide a medium for chemical reactions to take place

Question 3

Functions of nucleus

Answer 3

1. Contains genetic information (DNA)

2. Controls the activities and characteristics of the cell

Question 4

Functions of chloroplast

Answer 4

1. Contains the pigment chlorophyll for light absorption

2. Contains the enzymes necessary for the production of glucose by photosynthesis

Question 5

Functions of cell wall

Answer 5

1. Provide structural support to the plant
2. Protects against damages caused by osmotic intake of cell
3. Freely permeable to water and dissolved substances

Question 6

Functions of vacuole

Answer 6

1. Contains water necessary to provide turgor pressure to plant cells
2. May contain ions and molecules