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Scientific Method and Measurement Quiz

Total questions: 66

Worksheet time: 33mins

Name
Class
Date
1.

What is the amount of matter in an object called?

a)

Mass

b)

Volume

c)

Density

d)

Weight

2.

What is the English/British unit of temperature measurement?

a)

Celsius

b)

Fahrenheit

c)

Kelvin

d)

Rankine

3.

Name one type of elementary treatment of data used in the lab.

a)

Mean

b)

Boiling

c)

Filtering

d)

Evaporation

4.

What is an important part of the scientific method and is the primary basis for support or rejection of many hypotheses?

a)

Data

b)

Guesswork

c)

Opinion

d)

Tradition

5.

Which variable, dependent or independent, is found/placed on the X-axis?

a)

Independent variable

b)

Dependent variable

c)

Control variable

d)

Experimental variable

6.

Which variable, dependent or independent, is found/placed on the Y-axis?

a)

Dependent variable

b)

Independent variable

c)

Control variable

d)

Experimental variable

7.

A group of cells that are similar in structure and function are called:

a)

Tissues

b)

Organs

c)

Systems

d)

Organelles

8.

To perform specific body functions, tissues are arranged into:

a)

Organs

b)

Cells

c)

Molecules

d)

Atoms

9.

What is the depth of the specimen clearly in focus called?

a)

Depth of field

b)

Magnification

c)

Resolution

d)

Field of view

10.

What is the ability to discriminate two close objects as separate called?

a)

Resolution

b)

Magnification

c)

Depth of field

d)

Refraction

11.

What is the ability of microscopes to maintain a slide in proper focus when changing magnification called?

a)

Parfocal

b)

Binocular

c)

Monocular

d)

Objective

12.

Ocular magnification multiplied by the objective magnification is the:

a)

Total magnification

b)

Field of view

c)

Depth of field

d)

Resolution

13.

What is the function of the cytoskeletal elements?

a)

Support and shape the cell

b)

Store genetic information

c)

Produce energy

d)

Synthesize proteins

14.

Name one cytoskeletal element.

a)

Microtubule

b)

Mitochondrion

c)

Nucleus

d)

Ribosome

15.

What is the structural and functional unit of all living things?

a)

Cell

b)

Nucleus

c)

Mitochondria

d)

Organelle

16.

What is the jelly-like material in which the organelles float?

a)

Cytoplasm

b)

Nucleus

c)

Cell wall

d)

Chloroplast

17.

What is the function of microvilli?

a)

Increase surface area for absorption

b)

Store genetic material

c)

Produce energy

d)

Transport proteins

18.

What is the process of nuclear replication and division resulting in daughter cells with exact copies of nuclear material?

a)

Mitosis

b)

Meiosis

c)

Cytokinesis

d)

Transcription

19.

What is the name for the specific type of enzymes found in peroxisomes?

a)

Oxidases

b)

Proteases

c)

Lipases

d)

Amylases

20.

What is the name for the specific type of enzymes found in lysosomes?

a)

Hydrolases

b)

Ligases

c)

Polymerases

d)

Kinases

21.

What are the proteins that form the microtubules called?

a)

Tubulins

b)

Actins

c)

Myosins

d)

Keratin

22.

Name one of the two proteins that may form microfilaments.

a)

Actin

b)

Tubulin

c)

Collagen

d)

Elastin

23.

What is the function of the plasma membrane?

a)

Allows certain substances into the cell and keeps others out

b)

Produces energy for the cell

c)

Stores genetic information

d)

Synthesizes proteins

24.

What is the series of changes a cell goes through from the time it is formed until it reproduces?

a)

Cell cycle

b)

Mitosis

c)

Meiosis

d)

Cytokinesis

25.

What is the division of the cytoplasmic mass during late anaphase continuing through telophase of mitosis called?

a)

Cytokinesis

b)

Mitosis

c)

Meiosis

d)

Transcription

26.

In lab you tested the rate of diffusion of potassium permanganate and methylene blue through agar. Which dye migrated at a slower rate? Why?

a)

Potassium permanganate migrated slower because it has a larger molecular size.

b)

Methylene blue migrated slower because it has a larger molecular size.

c)

Potassium permanganate migrated slower because it is lighter.

d)

Methylene blue migrated slower because it is lighter.

27.

The rate of diffusion of potassium permanganate and methylene blue through agar is different. Why?

a)

Because they have different molecular sizes.

b)

Because they have different colors.

c)

Because they have different temperatures.

d)

Because they have different charges.

28.

In lab you observed the process of filtration of a solution containing starch, copper sulfate and charcoal. Not all of the substances passed through the filter paper. Which did not pass through?

a)

Charcoal

b)

Copper sulfate

c)

Starch

d)

Water

29.

How was the presence of charcoal on the filtration membrane verified?

a)

By visual observation of black residue

b)

By using iodine

c)

By using Benedict’s solution

d)

By heating the membrane

30.

How was the presence of copper sulfate in the filtration beaker verified?

a)

By blue color in the solution

b)

By using iodine

c)

By using Benedict’s solution

d)

By heating the beaker

31.

What was used to test for the presence of starch on the filtration paper?

a)

Iodine

b)

Benedict’s solution

c)

Water

d)

Copper sulfate

32.

What color was seen when the iodine was placed on the filtration paper?

a)

Blue-black

b)

Red

c)

Green

d)

Yellow

33.

What color was seen when the iodine was placed in the filtration beaker?

a)

No color change

b)

Blue-black

c)

Red

d)

Green

34.

Does potassium permanganate diffuse faster through liquid (water) or solid (agar)?

a)

Liquid (water)

b)

Solid (agar)

c)

Both diffuse at the same rate

d)

Neither diffuses

35.

In lab, using dialysis tubing and methylene blue, does methylene blue stay inside the tubing or exit?

a)

Exit

b)

Stay inside

c)

Both

d)

Neither

36.

In lab, using dialysis tubing and methylene blue, why does methylene blue exit the tubing?

a)

Because it is small enough to pass through the pores

b)

Because it is too large to pass through the pores

c)

Because it reacts with the tubing

d)

Because it evaporates

37.

In lab, using dialysis tubing, did blue dextran exit the tubing? Why?

a)

No, because it is too large to pass through the pores

b)

Yes, because it is small enough to pass through the pores

c)

No, because it reacts with the tubing

d)

Yes, because it evaporates

38.

Is the crinkling-up process observed in red blood cells placed in a hypertonic solution / RBC losing water?

a)

Yes

b)

No

c)

Sometimes

d)

Never

39.

What drives movement through the plasma membrane in active processes?

a)

ATP (energy)

b)

Osmosis

c)

Diffusion

d)

Gravity

40.

What drives movement through the plasma membrane in passive processes?

a)

Concentration gradients

b)

ATP (energy)

c)

Enzymes

d)

Light

41.

What kind of energy do molecules possess that keeps them in constant motion?

a)

Kinetic energy

b)

Potential energy

c)

Chemical energy

d)

Electrical energy

42.

A difference in concentration across a membrane is called what?

a)

Concentration gradient

b)

Osmosis

c)

Diffusion

d)

Filtration

43.

What is used to approximate a semi-permeable membrane when using blue dextran/methylene blue?

a)

Dialysis tubing

b)

Glass slide

c)

Filter paper

d)

Petri dish

44.

What is a passive process by which water and solutes are forced through a membrane by hydrostatic (fluid) pressure?

a)

Filtration

b)

Active transport

c)

Endocytosis

d)

Exocytosis

45.

What was used as a semi-permeable membrane during the filtration exercise?

a)

Dialysis tubing

b)

Plastic wrap

c)

Paper towel

d)

Glass beaker

46.

The structure labeled "A" with the pink tape was used during which exercise?

a)

Filtration

b)

Photosynthesis

c)

Respiration

d)

Fermentation

47.

The rate of diffusion is greater in which media: liquid or solid?

a)

Liquid

b)

Solid

c)

Gas

d)

Plasma

48.

In lab, using dialysis tubing and blue dextran, you tested what?

a)

Selective permeability

b)

Photosynthesis

c)

Cell division

d)

Protein synthesis

49.

In your homework you tested the movement of sodium and potassium across a selectively permeable membrane by what?

a)

Diffusion

b)

Filtration

c)

Active transport

d)

Osmosis

50.

When placed in a hypotonic solution, red blood cells will burst, a process known as what?

a)

Hemolysis

b)

Crenation

c)

Filtration

d)

Plasmolysis

51.

In lab, using dialysis tubing, water went in or out of the tubing with blue dextran?

a)

Out

b)

In

c)

Neither

d)

Both

52.

What is the role of ATP in active transport?

a)

Provides energy

b)

Acts as a channel

c)

Acts as a receptor

d)

Acts as a buffer

53.

When red blood cells are placed in a hypotonic solution, what happens?

a)

They burst (hemolysis)

b)

They shrink (crenation)

c)

They remain unchanged

d)

They divide

54.

When placed in a hypertonic solution, red blood cells will shrink, a process known as what?

a)

Crenation

b)

Hemolysis

c)

Filtration

d)

Osmosis

55.

What is the simple diffusion of water through a membrane called?

a)

Osmosis

b)

Filtration

c)

Active transport

d)

Facilitated diffusion

56.

Why do red blood cells shrink when placed in a hypertonic solution?

a)

Water leaves the cell

b)

Water enters the cell

c)

Cell divides

d)

Cell absorbs salt

57.

Explain when hemolysis occurs.

a)

When red blood cells are placed in a hypotonic solution

b)

When red blood cells are placed in a hypertonic solution

c)

When red blood cells are placed in an isotonic solution

d)

When red blood cells are heated

58.

What is the selective type of endocytosis that uses plasma membrane receptors?

a)

Phagocytosis

b)

Pinocytosis

c)

Receptor-mediated endocytosis

d)

Exocytosis

59.

What medium was used to show diffusion through a solid?

a)

Water

b)

Agar

c)

Air

d)

Oil

60.

900 g are equal to ______ micrograms (μg).

a)

900,000 μg

b)

900,000,000 μg

c)

9,000 μg

d)

90,000 μg

61.

600 g are equal to ______ micrograms (μg).

a)

600,000 μg

b)

6,000,000 μg

c)

600,000,000 μg

d)

60,000 μg

62.

4 ml are equal to how many liters?

a)

0.004 L

b)

0.04 L

c)

0.0004 L

d)

0.4 L

63.

3200 ml are equal to how many liters?

a)

3.2 L

b)

0.32 L

c)

32 L

d)

0.0032 L

64.

1500 mm are equal to how many meters?

a)

0.15 m

b)

1.5 m

c)

15 m

d)

0.015 m

65.

500 grams are equal to ______ micrograms (μg).

a)

500,000 μg

b)

5,000,000 μg

c)

500,000,000 μg

d)

50,000 μg

66.

700 s are equal to ______ microseconds (μs).

a)

700,000 μs

b)

7,000,000 μs

c)

700,000,000 μs

d)

70,000 μs

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