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Worksheets

Lab Practical 1 REVIEW

Total questions: 99

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

What type of microscope is shown in the image?

a)

dissecting

b)

electron

c)

darkfield

d)

compound light

2.

What is arrow A pointing to?

a)

Nosepiece

b)

Ocular Lense

c)

Objective Lens

d)

Stage

e)

Stage Clip

3.

What is arrow B pointing to?

a)

Nosepiece

b)

Ocular Lense

c)

Objective Lens

d)

Stage

e)

Stage Clip

4.

What is arrow C pointing to?

a)

Nosepiece

b)

Ocular Lense

c)

Objective Lens

d)

Stage

e)

Stage Clip

5.

What would be the TOTAL magnification of an object as viewed using this microscope (lenses as shown)?

a)

4x

b)

40x

c)

400x

d)

4,000x

6.

Which of the following terms describes how well details of a specimen on a microscope slide stand out against their background?

a)

depth of field

b)

field of view

c)

contrast

d)

resolution

7.

Which objective lens should be in place when first focusing a microscope?

a)

scanning lense

b)

ocular lens

c)

low power lens

d)

high power lens

8.

Which adjustment knob should NOT be used when the high power lens is in place?

a)

coarse adjustment knob

b)

fine adjustment knob

c)

iris diaphragm

9.

Which of the following statements would properly define parfocal?

a)

The ability to focus any object placed on the stage.

b)

An object is nearly centered at all levels of magnification.

c)

If an object is in focus at one magnification, it will still be focused at another magnification.

d)

The amount of detail found in an image.

10.

Which of the following statements would properly define parcentral?

a)

The ability to focus any object placed on the stage.

b)

An object is nearly centered at all levels of magnification.

c)

If an object is in focus at one magnification, it will still be focused at another magnification.

d)

The amount of detail found in an image.

11.

When a microscope has good resolution, it is said to allow for

a)

more detail to be seen in an image.

b)

more contrast to be seen about an image.

c)

increased magnification than normal.

d)

All of these.

12.

Which of the following is an example of qualitative data?

a)

The plant's height is 25 centimeters (cm).

b)

The six pairs of robins hatched an average of three chicks.

c)

The fish swam in a zig-zag motion.

d)

The temperature decreased from 20°C to 15°C.

13.

Water boils at

a)

212℉

b)

100℃

c)

212℃

d)

100℉

14.

You are looking at a centimeter (metric) ruler. Determine the length of the card in millimeters.

a)

4.4 mm

b)

42 mm

c)

4.2 mm

d)

44 mm

15.

You check your temperature (normal human body temperature is 37℃). The thermometer that you use gives you the following results:

Check #1 → 25℃ Check #2 → 25℃ Check #3 → 25℃

The thermometer is

a)

accurate, but not precise

b)

precise and accurate

c)

precise, but not accurate

d)

neither precise nor accurate

16.

Which of the following structures would NOT be found in or around an animal cell?

a)

chloroplast

b)

ribosome

c)

plasma membrane

d)

nucleus

17.

Does a Paramecium cell have a nucleus?

a)

yes

b)

no

18.

Does a Anabaena cell have a nucleus?

a)

yes

b)

no

19.

Which TWO describe the cells shown?

a)

eukaryotic

b)

prokaryotic

c)

Kingom Plantae

d)

Kingdom Animalia

20.

Which of the following is true regarding Euglena?

a)

it's prokaryotic because it's green

b)

it's prokaryotic because it contains a nucleus

c)

it's eukaryotic because it doesn't have a cell wall

d)

it's eukaryotic because it contains a nucleus

21.

These anabaena cells belong to which domain?

a)

Protist

b)

Prokaryotes

c)

Bacteria

d)

Eukarya

22.

Look at the exhibited measuring devices. If you needed to measure 3.8mL of water, which one of these measuring devices would give the most accurate volume?

a)

b)

c)

d)

23.

How many hectometers are in 94.2 meters?

a)

9420 hm

b)

0.942 hm

c)

942 hm

d)

0.094 hm

24.

How do you convert 486 grams into milligrams?

a)

4.86 x 105 mg

b)

4.86 x 103 mg

c)

4.86 x 107 mg

d)

4.86 x 10-6 mg

25.

How many centimeters are in 10 inches?

(1 inch = 2.54 cm)

a)

3.94 cm

b)

25.4 cm

c)

39.4 cm

d)

254 cm

26.

How many milliliters of fluid are in the graduated cylinder?

a)

56 mls

b)

53 mls

c)

58 mls

d)

54 mls

27.

Which of these would be the most appropriate positive (+) control for the Biuret test?

a)

distilled water

b)

glucose

c)

starch

d)

albumin

28.

Which of these would be the most appropriate negative (-) control for all of the tests performed in the lab for the identification of the biological (macro)molecules?

a)

distilled water

b)

glucose

c)

starch

d)

albumin

29.

What is the unknown?

a)

simple sugar

b)

starch

c)

lipid

d)

protein

30.

What is the unknown?

a)

simple sugar

b)

starch

c)

lipid

d)

protein

31.

Pretend that you are testing lunch samples from ACME Restaurant. The food is horrible and usually unidentifiable. You have been hired to determine the identity of some of the food in the freezer. The owner claims that one thing you find in his freezer is ground beef, but you are worried that he is wrong After the testing is complete, you obtain the following results:

Benedict solution → tube of unknown is BLUE

Biuret solution → tube of unknown is VIOLET

Iodine solution → tube of unknown is BROWN

What can you firmly say about the unknown food sample you tested?

a)

It contains protein, starch, and simple sugars since all tests gave positive results.

b)

It contains protein, but no glucose or starch.

c)

It does not contain protein; but does contain glucose and starches

d)

The results are inconclusive.

32.

The Benedict's test specifically detects the presence of:

a)

Proteins

b)

Lipids

c)

Starch

d)

Reducing sugars

33.

Name the food test and the type of food that was being tested.

a)

Benedict's test

b)

Glucose

c)

Millon's test

d)

Protein

e)

Iodine test

34.

This solution is change into dark blue when mixes up with the food. Name the solution and the food.

a)

Starch

b)

Iodine

c)

Protein

d)

Millon's reagent

e)

Benedict

35.

Identify a mistake of this test.

a)

The test tube is not soaked in water bath

b)

Blue flame is used

c)

Only a few drops of Benedict's reagent is used

36.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

37.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

38.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

39.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

40.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

41.

When large amounts of glucose is present Benedicts turns...

a)

purple

b)

blue-black

c)

brick-red

d)

green

42.

A negative test for starch will cause Iodine to stay...

a)

orange/red

b)

blue

c)

black

d)

brick red

43.

A negative test for protein will cause Biuret to stay...

a)

brick red

b)

blue

c)

black

d)

orange

44.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

orange

45.

How do you test for lipids?

a)

By using Ethanol and water

b)

By using Benedicts solution

c)

By using Iodine

d)

By using Biuret test

46.

What is a positive result for the lipid emulsion test?

a)

milky white colour

b)

clear

c)

yellow

d)

green

47.

In this experiment, you must put your test tubes into a hot water bath

a)

Benedict's Test

b)

Biurets Test

c)

Iodine Test

d)

Ethanol Emulsion Test

48.

The building blocks of proteins are

a)

carbohydrates

b)

amino acids

c)

sugars

d)

fatty acids

49.

The building blocks of starch are

a)

glycerol

b)

amino acids

c)

sugars

d)

fatty acids

50.

What is the test for starch called?

a)

Iodine Test

b)

Benedict's Test

51.

Tara conducted several tests on a mystery solution.  Her results were as follows:

Biuret's = purplish/violet

Benedict's = orange

Iodine = black


Which biomolecules were present in the mystery solution?

a)
protein & carbohydrate
b)
protein & lipid
c)
carbohydrate & lipid
d)
protein, carbohydrate, & lipid
52.

A "simple sugar" is another word for a

a)

polysaccharide

b)

monosaccharide

c)

disaccharide

d)

carbohydrate

53.

Large molecules can sometimes be composed of many smaller subunits. The smaller subunits are called

a)

polymers

b)

monomers

c)

isomers

d)

enantiomers

54.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

If he begins his analysis by using an iodine test, what would be the most appropriate positive control?

a)

distilled water

b)

glucose

c)

starch

d)

albumin

55.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

If he begins his analysis by using an iodine test, what would be the most appropriate negative control?

a)

distilled water

b)

glucose

c)

starch

d)

albumin

56.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

If he begins his analysis by using an iodine test, what color would we expect the positive control to be?

a)

light blue

b)

violet

c)

black

d)

orange

57.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

If the positive control for the iodine test remains amber/orange, can he be confident that his results are accurate?

a)

yes

b)

no

58.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

After testing each sample, he recorded his data. What is unknown 1?

a)

broccoli cheddar soup

b)

bone broth

c)

potato soup

d)

tomato soup

59.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

After testing each sample, he recorded his data. What is unknown 2?

a)

broccoli cheddar soup

b)

bone broth

c)

potato soup

d)

tomato soup

60.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

After testing each sample, he recorded his data. What is unknown 3?

a)

broccoli cheddar soup

b)

bone broth

c)

potato soup

d)

tomato soup

61.

A food inspector for the FDA is interested in testing an unknown sample for the presence of specific biological molecules. In addition to the food sample, he also has bottles of the following: distilled water, glucose solution, starch solution, and albumin solution.

After testing each sample, he recorded his data. What is unknown 4?

a)

broccoli cheddar soup

b)

bone broth

c)

potato soup

d)

tomato soup

62.

Which letter represents the percent change in mass after 4 minutes in water?

a)

A

b)

B

c)

C

d)

D

63.

Which letter represents the percent change in mass of -1.4% at one minute?

a)

A

b)

B

c)

C

d)

D

e)

E

64.

Bonnie and Clyde were finished with their latest bank robbery and decided to perform a small science experiment. They first incubated potato strips in two solutions to study passive transport, much like you did in your lab exercise. Part of their data is shown in the table.

What is the mass change for strip #1?

a)

0.12g

b)

1.76g

c)

-0.12g

d)

-0.35g

e)

-1.20g

65.

Bonnie and Clyde were finished with their latest bank robbery and decided to perform a small science experiment. They first incubated potato strips in two solutions to study passive transport, much like you did in your lab exercise. Part of their data is shown in the table.

What is the percent change in mass for strip #1?

a)

22.6%

b)

-35%

c)

7.3%

d)

12%

e)

-22.6%

66.

Bonnie and Clyde were finished with their latest bank robbery and decided to perform a small science experiment. They first incubated potato strips in two solutions to study passive transport, much like you did in your lab exercise. Part of their data is shown in the table.

What is the percent change in mass for strip #2?

a)

22.6%

b)

-35%

c)

7.3%

d)

12%

e)

-22.6%

67.

Bonnie and Clyde were finished with their latest bank robbery and decided to perform a small science experiment. They first incubated potato strips in two solutions to study passive transport, much like you did in your lab exercise. Part of their data is shown in the table.

What is the mass change for strip #2?

a)

0.12g

b)

-0.12g

c)

-0.35g

d)

0.35g

e)

-1.20g

68.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Based on the graph, what is the tonicity of solution A?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

69.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Based on the graph, what is the tonicity of solution B?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

70.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Based on the graph, what is the tonicity of solution C?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

71.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Based on the graph, what is the tonicity of solution D?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

72.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Which of the following solutions would cause plasmolysis of the cells in the potato strips?

a)

Solution A

b)

Solution B

c)

Solution C

d)

Solution D

73.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Based on the graph, what is the tonicity of solution E?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

74.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Which of the following solutions would have the highest turgor pressure?

a)

Solution A

b)

Solution C

c)

Solution E

75.

Bonnie and Clyde next tested five different salt solutions to see how concentration differences influence the rate of transport across cell membranes. They placed potato strips in each of the solutions and determine the mass of each strip at 10-minute intervals. Using that data, they graphed the percent mass change versus time, as shown below, for each strip.

Which of the following solutions would have the highest turgor pressure?

a)

Solution A

b)

Solution C

c)

Solution E

76.

Which solution caused the fastest rate of water moving out of potato cells?

a)

Solution A

b)

Solution B

c)

Solution C

d)

Solution D

e)

Solution E

77.

Which solution caused the fastest rate of water moving into the potato cells?

a)

Solution A

b)

Solution B

c)

Solution C

d)

Solution D

e)

Solution E

78.

Which solution has water moving in and out of the potato cell at equal rates?

a)

Solution A

b)

Solution B

c)

Solution C

d)

Solution D

e)

Solution E

79.
You can find total magnification by which of the following methods?
a)
ocular PLUS objective
b)
ocular TIMES objective
c)
ocular MINUS objective
d)
ocular DIVIDED BY objective
80.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
d)
super extra high power lens
81.
The__________ sharpens the image under high magnification.
a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
82.
What is the function of stage clips?
a)
To move the objectives
b)
To keep the slide secure
c)
To adjust the focus
d)
To look through
83.

What organelles are visible in these cells?

a)

nucleus and chloroplasts

b)

nucleus and cell membrane

c)

cell wall and nucleus

d)

cell wall and chloroplasts

84.

What piece is the smaller knob, found near the course adjustment knob, and is used to focus the image under low and high power?

a)

Aperture

b)

Fine Adjustment Knob

c)

Diaphragm

d)

Course Adjustment Know

85.

Why is it important to not let the nosepiece lenses touch the slide/stage?

a)

It will be inverted

b)

It will blur your image.

c)

It can be hard to see the slide.

d)

It could break the glass slide.

86.

What type of cells are these?

a)

Plant cells

(onion root tip)

b)

Animal Cells

(cheek cells)

c)

Bacterial Cells

(staph)

d)

Protist Cells

(amoeba)

87.

Which pH produces the best rate of O2 production?

a)

pH 5

b)

pH 7

c)

pH 9

d)

pH 11

88.

What is the rate of O2 production at pH 5?

a)

0 ppt O2/s

b)

0.02 ppt O2/s

c)

0.20 ppt O2/s

d)

0.39 ppt O2/s

89.

What is the Independent Variable?

a)

Rate of 02 production (ppt O2/s)

b)

pH

c)

ppt O2/s

d)

Rate of 02 production VS pH

90.

What is the Dependent Variable?

a)

Rate of 02 production (ppt O2/s)

b)

pH

c)

ppt O2/s

d)

Rate of 02 production VS pH

91.

When you look down a microscope, the circle that you see is called '______'

a)

stage

b)

stage clips

c)

field of view

d)

occular lens

92.

Fungi, Protists, Plants and Animals all ____________?

a)

have a nucleus

b)

have membrane organelles

c)

are classified as prokaryotes

d)

are classified as eukaryotes

93.

Bacteria are prokaryotes, meaning they ________.

a)

lack a nucleus

b)

are very large

c)

contain no DNA

d)

have a cytoplasm

94.

What color change occurs in a Benedict's test?

a)

blue --> burnt orange

b)

blue --> blue

c)

clear --> white

d)

yellow --> violet

95.

What color change occurs in an Emulsion test?

a)

blue --> burnt orange

b)

blue --> blue

c)

clear --> white

d)

yellow --> violet

96.

What color change occurs in an Iodine test?

a)

blue --> burnt orange

b)

blue --> blue

c)

clear --> white

d)

yellow --> violet

97.

Which macromolecule does a Benedicts solution detect?

a)

simple sugars

b)

complex sugars

c)

lipids

d)

proteins

98.

If you have walked 2,100 mm, how many meters have you walked?

a)

.21

b)

2.1

c)

21

d)

210

99.

If you are drinking a lot of coke. 3 liters of it on one night. How many milliliters is that?

a)

30

b)

300

c)

3000

d)

30000