Ch 11

Question 1

What is the term for the smallest living unit of all living things?

Answer 1

Cell

Question 2

Who was the first to devote an entire book exclusively to microscopic observation?

Answer 2

Robert Hooke

Question 3

State the two parts of the cell theory.

Answer 3

All living things are composed of living units called cells and cell products and All cells come from pre-existing cells

Question 4

Name the four main elements of which all cells are composed.

Answer 4

Oxygen
nitrogen
carbon
hydrogen

Question 5

Which of the three main parts of the cell is considered the most important part?

Answer 5

Nucleus

Question 6

Define DNA

Answer 6

Deoxyribonucleic acid

It stores information that determines the genetic traits of an organism

Question 7

What objective should you begin with when viewing an object under microscope?

Answer 7

Scanning objective

Question 8

List two features of plant cells that animal and human cells do not have.

Answer 8

Cell wall and chloroplasts

Question 9

What is the term for the storage space found within cell?

Answer 9

Vacuoles

Question 10

Why are a plant’s unripe fruits often green?

Answer 10

They contain chloroplasts

Question 11

What term describes objects that can be easily seen by the unaided eye?

Answer 11

Macroscopic

Question 12

What are the smallest of the chlorophyll containing plants?

Answer 12

Algae

Question 13

Define plankton

Answer 13

Microorganisms that live near the surface of the water and provide food for larger organisms

Question 14

What is a cluster of algae living together called?

Answer 14

Colony

Question 15

Name the most numerous of the yellow algae.

Answer 15

Diatoms

Question 16

How do the red algae differ from the brown algae

Answer 16

Brown algae is near the surface of the water where they can obtain most sunlight red algae grows deeper in the warmer waters

Question 17

Which jelly like substance gives commercial ice cream a smooth creamy texture?

Answer 17

Carrageenan

Question 18

What is a scientist who studies fungi called?

Answer 18

Mycologists

Question 19

What term refers to organisms that obtain your nourishment from dead organisms?

Answer 19

Saprophyte

Question 20

Which part of a mushroom is composed of the stalk and cap?

Answer 20

Fruiting body

Question 21

In what two ways do bracket fungi differ from mushrooms?

Answer 21

They don’t have gills or a dome.
Their spores drop and the wind carries them away
They grow more slowly

Question 22

Name to parasitic club fungi that badly damaged crops each year

Answer 22

Smut and rust

Question 23

What fungi are a household problem because they grow on food?

Answer 23

Molds

Question 24

What is the largest group of fungi?

Answer 24

Sac fungi

Question 25

By what process do yeasts reproduce?

Answer 25

Budding

Question 26

What is the term for the animal like organisms are made up of a single cell?

Answer 26

Protozoa

Question 27

Who is known as the Father of Microbiology?

Answer 27

Anton Van Leeuwenhoek

Question 28

Name the whiplike organ used by a euglena for locomotion

Answer 28

Flagellum

Question 29

Define eyespot

Answer 29

A small spot of light-sensitive pigment

Question 30

What are the elastic "holding tanks" that collect and dispose of excess water within protozoa

Answer 30

Contractile Vacuoles

Question 31

Name a disease caused by Trypanosoms

Answer 31

African sleeping sickness

Question 32

What protozoan is the best known sarcodine?

Answer 32

Amoeba

Question 33

Which protozoa can be distinguished by their unique slipper shape them by the cilia that completely cover them?

Answer 33

Paramecium

Question 34

What is the final like depression that runs along one side of a paramecium body?

Answer 34

The Oral groove

Question 35

Define Sporozoa

Answer 35

Spore forming protozoa incapable of independent movement and exist as heteroecious parasites

Question 36

What is the sporozoan disease spread by the Anopheles mosquito?

Answer 36

Malaria

Question 37

Define prokaryote

Answer 37

Single celled organisms that have no organized nuclei-like blue-green algae

Question 38

Which species of bacteria has given us much of our present understanding of heredity?

Answer 38

E. coli