Cells

Question 1

What are cells?

Answer 1

Cells are the basic building blocks of life

Question 2

What are the functions of the nucleus?

Answer 2

1. Centre that controls all activities that occur within a cell
2. Contains DNA, which is genetic material, that can be passed down to the next generation

Question 3

What is the function of the cytoplasm?

Answer 3

It is the jelly-like substance where most chemical reactions take place

Question 4

What are is function of the Cell Membrane?

Answer 4

Controls the movement of substances into and out of the cells

Question 5

In a plant cell, is the cell membrane below or covering the cell wall?

Answer 5

In a plant cell, the cell membrane is the layer below the cell wall

Question 6

What is a vacuole?

Answer 6

It is a space within the cell

Question 7

What is the function of vacuoles?

Answer 7

It stores liquids, food and waste materials

Question 8

What is the difference between vacuoles in animal cells and in plant cells?

Answer 8

In animal cells, the vacuoles are SMALL AND NUMEROUS, while in plant cells, the vacuoles are LARGE AND FEW

Question 9

What are the functions of the cell wall?

Answer 9

1. Protects and supports the entire cell
2. Allows substances to move into and out of the cell

Question 10

What is the function of chloroplast?

Answer 10

1. “Food factory” in a plant cell
2. Allows photosynthesis to take place

Question 11

What are the differences between plant and animal cells?

Answer 11

1. P has cell wall ; A has no cell wall
2. P may have chloroplasts ; A has no chloroplasts
3. P has 1/2 large vacuoles in the middle of the cell ; A has numerous small vacuoles

Question 12

How are cells organised in a multicellular organism?

Answer 12

Cell –> Tissue –> Organ –> Organ System –> Organism