Cells Test

Question 1

How do animal cells differ from plant cells

Answer 1

Plant cells have a cell wall, vacuole and chloroplasts, animal cells dont

Question 2

What is the purpose of staining the wo samples of cells

Answer 2

To make cell parts clearer and obvious

Question 3

Cell membrane purpose

Answer 3

Controls what enters or leaves

Question 4

Nuclear membrane purpose

Answer 4

Controls what enters or leaves the nucleus

Question 5

Nucleus purpose

Answer 5

Control canter (Contains chromosomes)

Question 6

Chromosomes purpose

Answer 6

Controls genetic information

Question 7

Cytoplasm purpose

Answer 7

where chemical reactions take place

Question 8

Mitochondria

Answer 8

Site of cell respiration

Question 9

Cellulose cell wall

Answer 9

Provides support

Question 10

Large permanent vacuole

Answer 10

Contains cell sap, supports cell when full

Question 11

Chloroplast purpose

Answer 11

Contain chlorophyll - site of photosynthesis (only in green parts of plant

Question 12

Non cellulose wall purpose

Answer 12

Provides support

Question 13

Plasmid purpose

Answer 13

Small rings of DNA

Question 14

What are the 3 cell types

Answer 14

Animal
Plant
Bacterial

Question 15

What is unicellular

Answer 15

Organism that consist of a single cell

Question 16

Example of a unicellular organism

Answer 16

Bacteria

Question 17

What is multicellular

Answer 17

Organisms made up of many cells

Question 18

What are specialised cells and an example

Answer 18

cells that are adapted to carry out a particular function e.g. sperm cell has a tail to allow it to swim

Question 19

What is tissue and example

Answer 19

Group of similar cells working together to perform a shared function e.g. muscle

Question 20

What is Organ and example

Answer 20

Made up of several types of tissue and carries out a specific function e.g. heart

Question 21

What is organ system and example

Answer 21

Group of organs that operate together to carry out a particular function e.g. circulatory system

Question 22

Plant organ system

What is the Shoot System & Root System

Answer 22

Shoot system
Above ground parts of a plant (e.g. stem leaves, flowers) responsible for photosynthesis and reproduction

Root System
Below ground parts of a plant (e.g. roots) responsible for anchorage and absorption of water and nutrients (may also be involved in storage of energy)

Question 23

Why do you start viewing with a low power objective lens first

Answer 23

Allow you to locate the specimen
Prevent damage to lens when trying to focus for the first time

Question 24

How is magnification calculated

Answer 24

magnification = eye piece magnification x objective magnification

Question 25

Purpose of the coverslip method

Answer 25

to hold the specimen in place and protect it from contamination from the environment

Question 26

What are two commonly used stains

Answer 26

Iodine and Methylene Blue

Question 27

How can you tell it is an onion cell

Answer 27

no chloroplasts (it is underground, no light meaning no need for chloroplasts)