Unit 1 Test

Question 1

What is the “foot” which supports the whole microscope?

Answer 1

The base

Question 2

What is the adjustment used to focus on low and sometimes high power?

Answer 2

Course Adjustment Knob

Question 3

What is the adjustment used to gain a clear image on high power?

Answer 3

Fine Adjustment Power

Question 4

On which power is the field of view the smallest and the available light is dimmest?

Answer 4

High power

Question 5

A substance applied to transparent cells to make them more visible under the microscope.

Answer 5

Stain

Ex. Methylene blue

Question 6

The correct name given to the slide preparation for viewing an organism.

Answer 6

Wet-mount slide

Question 7

The platform where the slide is placed for viewing.

Answer 7

Stage

Question 8

The distance between the objective lenses and the stage.

Answer 8

Working distance

Question 9

A microscope with at least two lenses.

Answer 9

A compound microscope

Question 10

A microscope with only one lense.

Answer 10

A simple microscope

Question 11

The thickness of the image that is in focus at any one time when a specimen is viewed with a microscope.

Answer 11

Depth of field

Question 12

Holds the lens is the correctvdistance apart in a microscope.

Answer 12

Body tube

Question 13

This device controls the amount of light striking the object on the stage.

Answer 13

Diaphragm

Question 14

Chemicals high are used to remove oil or grease from microscope lenses.

Answer 14

Xylene. In class we used rubbing alcohol.

Question 15

The ability of the microscope to show separate objects as distinct.

Answer 15

Resolving power

Question 16

The type of microscope that uses electrons instead of light to create images.

Answer 16

Electron microscope

Question 17

A thin square piece of glass used with a microscope side.

Answer 17

A cover slip.

Question 18

Scientific term for the eyepiece of a microscope.

Answer 18

Ocular lens

Question 19

The type of electron microscope used to study the surface of a specimen.

Answer 19

Scanning electron microscope (SEM)

Question 20

The type of electron microscope used to study slices or the internal structures of cells.

Answer 20

Transmission electron microscope

Question 21

What are the levels of organization in order?

Answer 21

Atoms, molecule, organelle, cell, tissue, organ, organ system, multicellular organism, population, community, ecosystem, and biosphere.

Question 22

Atom?

Answer 22

Smallest part of an element that retains a characteristics of that element.

Question 23

Molecule?

Answer 23

Two or more atoms chemically combined, smallest unit of a compound.

Question 24

Organic Compounds?

Answer 24

Contain carbon

Question 25

Inorganic Compounds?

Answer 25

Do not contain carbon.

Question 26

Organelle?

Answer 26

Small structures within a cells, each with a specialized structure and function, compromised of organic, and in organic compounds. Ex. Chloroplasts, ribosomes, endoplasmic reticulum.

Question 27

Cell?

Answer 27

Basic unit of structure and function in all living things, smallest unit of life, compromised of organelles. Ex. Blood cell, nerve cell, skin cell.

Question 28

Tissue?

Answer 28

A group of specialize cells that perform a shared function. Ex. Blood, nervous, tissue, skin cell.

Question 29

Organ?

Answer 29

A group of specialized tissues that work together to perform a shared function. Ex. Brain.

Question 30

Organ System?

Answer 30

A group of interdependent organs, each, with a special specific function, that work together to carry out a major body function. Ex. Nervous system (brain, spinal cord, nerves).

Question 31

Multicellular Organism?

Answer 31

An independently functioning, living thing, compromised of multiple organ systems. Ex. Moose.

Question 32

Population?

Answer 32

A group of interesting and interbreeding organisms of one species. Ex. Herd of moose.

Question 33

Community?

Answer 33

A group of interacting populations in a specific area. Ex. Trees/grass, dear, bearSquirrel, mosquitoes, coyote.

Question 34

Ecosystem?

Answer 34

The combination of all living things (biotic) and all nonliving (abiotic) parts of the environment. Ex. Wetlands. Community living together with it’s nonliving surroundings.

Question 35

Biome?

Answer 35

Major geographic areas in which the climate determines which life forms are present. Ex. Tundra, desert, boreal, rainforest.

Question 36

Biosphere?

Answer 36

Entire world of the living organisms.

Question 37

Any living thing?

Answer 37

Organism

Question 38

A possible explanation for an event, or set of observations?

Answer 38

Hypothesis

Question 39

Any factor that influences the outcome of an experiment?

Answer 39

Variable

Question 40

I need your hypothesis that is generally accepted, but it continues to survive, extensive testing, generate successful predictions and explain certain observations?

Answer 40

Theory

Question 41

Process in which a single organism produces a new organism identical to itself?

Answer 41

Asexual reproduction

Question 42

Part of an experiment that contains a variable being tested?

Answer 42

Experimental set up

Question 43

Experimental set up in which the experimental variable is missing?

Answer 43

Control set up

Question 44

An interesting population of organisms that can produce healthy fertile offspring?

Answer 44

Species

Question 45

Basic unit of length?

Answer 45

Metre

Question 46

Process in which two cells normally from different individuals who need to produce the first cell of a new organism?

Answer 46

Sexual reproduction

Question 47

Measure of pull of gravity on a mass?

Answer 47

Weight

Question 48

Breakdown of complex substances into simpler substances?

Answer 48

Catabolism

Question 49

Sum of all chemical reactions in the body; balance of anabolism and catabolism?

Answer 49

Metabolism

Question 50

Basic unit of volume for liquids?

Answer 50

Litre

Question 51

Process in a living thing that involves synthesizing complex sentences from simpler substances?

Answer 51

Anabolism

Question 52

Basic metric unit of mass?

Answer 52

Kilogram or gram?

Question 53

Measure of the amount of matter in an object?

Answer 53

Mass

Question 54

Systematic approach to problem, solving that involves observation and experimentation?

Answer 54

Scientific method 

Question 55

Independent variable?

Answer 55

-The variable, you manipulate, control, or very in an experimental study to explore it affects. -Called independent because it’s not influence by any other variables in the study. -What we test/investigate.

Question 56

Dependent variable?

Answer 56

The dependent variable is the factor that respond to the experimental variable. It is a factor which is measured or recorded.

Question 57

Control variables?

Answer 57

The factors which are kept constant.

Question 58

Scientific theory, survive, scientific scrutiny for centuries and or found to be true universally. These may be evaluated to the status of scientific…

Answer 58

Law. Ex. Law of gravity, law of conservation of mass.

Question 59

Control group?

Answer 59

The group which is not receive the experimental treatment, provides a basis for comparison.

Question 60

Experimental group?

Answer 60

The part of the experiment that contains a variable being tested.

Question 61

Format for the title of graphs?

Answer 61

Independent vs. dependent (horizontal vs. vertical)

Question 62

Format for title of graphs?

Answer 62

Independent vs. dependent (horizontal vs. vertical)

Question 63

Format for title of graphs?

Answer 63

Independent vs. Dependant (horizontal vs. vertical)

Question 64

What is the horizontal access labelled with?

Answer 64

Independent variable (what we’re testing)

Question 65

What is the Y axis labelled with?

Answer 65

Dependent variable (what we’re measuring)

Question 66

What are 3 characteristic of all living things?

Answer 66

1.) Cells have complex organize structures based on organic molecules. 2.) Grow and develop. 3.) Acquire materials/energy from their environment and convert to different forms. 4.) Respond to stimuli from the environment.

Question 67

What are 4 characteristics of living things?

Answer 67

5.) Actively maintain an internal environment in a process called homeostasis. 6.) Reproduce using a molecular blueprint– DNA. 7.) Have the capacity to evolve.