Biology - Organisation, Cells and Microscopy

Question 1

Cells

Answer 1

Cells are the building blocks of all living organisms

Question 2

Tissue

Answer 2

A tissue is a group of cells with a similar function and structure

Question 3

What type of cells are eukaryotic?

Answer 3

Plant and animal cells

Question 4

What do eukaryotic cells have?

Answer 4

They have a cell membrane, cytoplasm and genetic material (DNA) enclosed in a nucleus

Question 5

What does a nucleus do?

Answer 5

Controls the activities of the cell

Question 6

What happens in the cytoplasm?

Answer 6

Most of the chemical reactions take place

Question 7

What does a cell membrane do and contain?

Answer 7

It controls the passage of substances into and out of the cell. It also contain receptor molecules

Question 8

What happens in the mitochondria?

Answer 8

Aerobic respiration takes place

Question 9

What happens in the ribosomes?

Answer 9

Protein synthesis

Question 10

What do chloroplasts do?

Answer 10

Absorb light (using chlorophyll) to make food by photosynthesis

Question 11

What is a permanent vacuole filled with?

Answer 11

Cell sap

Question 12

What is a cell wall made out of?

Answer 12

Cellulose

Question 13

What does the cell wall do?

Answer 13

Strengthens the cell

Question 14

Which cells have a cell wall?

Answer 14

Plant and Algal cells

Question 15

What are three specialised cells found in animals?

Answer 15

Sperm cells
Nerve cells
Muscle cells

Question 16

What are three specialised cells found in plants?

Answer 16

Root hair cells
Xylem cells
Phloem cells

Question 17

What is different about bacteria cells?

Answer 17

They are prokaryotic and are much smaller in comparison to other cells and don’t contain a nucleus

Question 18

Bacterial cell structure

Answer 18

Cytoplasm and cell membrane surrounded by a cell wall

Question 19

Genetic material in bacteria

Answer 19

• Not enclosed in a nucleus
• Single DNA loop
• MAYBE one or more small rings of DNA
  plasmids