Cells

Question 0

Why are stains used in the preparation of microscope slides.

Answer 0

Many objects are colourless when viewed under the microscope so specimens are often stained so that
they are easier to see.

Question 1

How do you prepare a specimen for a light microscope.

Answer 1

Use the pipette to drop a pond of water onto the microscope slide

Gently place a coverslip over the water.

Question 2

Explain the significance of the microscope invention

Answer 2

The microscope invention opened up a whole new world with new scientific languages and classifications.

Question 3

Name three scientists to our understanding of cells

Answer 3

Robert Hooke , rudolf Virchow, Theodor Schwann

Question 4

Name different types of cells and their function

Answer 4

Plant cell- contain the cell membrane, nucleus cytosol, cell wall, chloroplasts, vacuole
Animal cell- cell membrane, nucleus, cytosol

Question 5

What is unicellular

Answer 5

Describes an organism having only one cell

Question 6

What is multicellular

Answer 6

Having many cells most plants and animals are multicellular.

Question 7

Why are cells different shapes.

Answer 7

The size of the cell will vary between organisms and within a multicellular organism

Question 8

When and who discovered the microscope

Answer 8

Robert Hooke the 17th century

Question 9

What are the different units of measurement

Answer 9

Millimetres
Micrometers
Nanometers

Question 10

How to focus the specimen

Answer 10

By using the eyepiece lens and the objective lens

Question 11

What are the magnifications

Answer 11

40
100
400

Question 12

What do cells contain

Answer 12

Organelles

Question 13

How do the organelles help the cell

Answer 13

Have particular jobs within the cell and function together to keep the organism alive

Question 14

What are prokaryotes

Answer 14

The Kingdom of organisms that consist of single cells with a nucleus not surrounded by a membrane or a cell wall commonly called bacteria

Question 15

What are eukaryotes

Answer 15

Member of the group of organisms that has a membrane around the nucleus in each of their cells

Question 16

What are the five kingdoms

Answer 16

Animalia plantae fungi protoctista prokaryote

Question 17

Name the body cells

Answer 17

Red blood cells 
Muscle cell
Nerve cell 
Bone cell 
Lung epithelial cells 
Adipose tissue cells 
Skin cells 
Sperm cells
Egg cells

Question 18

Name the plant cells

Answer 18

Guard cells 
Xylem cells 
Root hair cells 
Leaf cells 
Epidermal cells 
Phloem cells

Question 19

What did rudolf Virchow do and when

Answer 19

That all cells arise from cells that already exist in 1858

Question 20

When and what did Theodor Schwann do

Answer 20

All animals are made up of one or more cells and that cells is a unit of living things