wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biol 1406 Lab Practical #1 Review

Total questions: 69

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

This type of lens magnifies the slide by 40x. It is the longest lens.

a)

Scanning lens

b)

Low power lens

c)

High power lens

d)

oil immersion lens

2.

What part of the microscope is circled?

(a)  

3.

This lens is the smallest lens. It magnifies the slide by 4x.

a)

Low power lens

b)

High power lens

c)

Scanning lens

4.

This lens is not the longest or the smallest. It magnifies the slide by 10x.

a)

Low power lens

b)

High power lens

c)

Scanning lens

5.

Circle or draw an arrow to the FINE focus on the microscope.

6.

Which part of the microscope is indicated by the blue arrow?

a)

Stage

b)

Base

c)

Eye piece

7.

This part of the microscope holds the slide into place.

(a)  

8.

Draw an arrow to the ARM of the microscope.

9.

Which part of the microscope brings the slide into general focus?

a)

Fine focus

b)

Coarse focus

10.

Attraction between molecules of the same substance is known as (a)   .

Choose from the below words
Buffer
Adhesion
Hydrogen Bond
Cohesion
11.

Attraction between differnt kinds of molecules.

a)

Cohesion

b)

Carbon Bond

c)

Hydrogen Bond

d)

Adhesion

12.

Scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution.

a)

Hydrogen Bond

b)

pH Scale

c)

Acid

d)

Base

13.

A solution with a pH less than 7. (high H+ concentration)

a)

pH Scale

b)

Base

c)

Acid

d)

Buffer

14.

A solution with a pH more than 7. (High OH- concentration)

a)

Acid

b)

Buffer

c)

Hydrogen Bond

d)

Base

15.

The attraction between water molecules is ___.

a)

adhesion

b)

cohesion

16.

Because solid water is less dense than liquid water, ___ floats.

a)

solid water

b)

liquid water

17.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
18.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
19.

Which of the following is LEAST likely to dissolve in water?

a)

nonpolar fats and oils

b)

polar sugar molecules

c)

salt made of a positive sodium ion and a negative chloride ion

d)

all of the substances will dissolve easily in water

20.

Why does water move from the roots to the leaves of plants?

a)

Water is pushed by solutes

b)

Capillary action pulls the water molecules up like a chain

c)

Water is pulled by gravity

d)

Water cannot move up roots to leaves

21.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
22.
Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?
a)
Water expands as it freezes.
b)
Water is an excellent solvent.
c)
Water exhibits cohesive behavior.
d)
Water is able to moderate temperature.
23.
A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?
a)
Specific heat 
b)
Surface tension
c)
Cohesion and adhesion of water molecules 
d)
Formation of covalent bonds between hydrogen and oxygen molecules
24.
Surface tension is caused by ...
a)
strong cohesion between water molecules
b)
strong adhesion between the water molecules
c)
condensation
d)
water cycle
25.

Match the following

a)

proteins

1.

made of amino acids

b)

carbohydrates

2.

made of sugars

c)

lipids

3.

made of glycerol and fatty acids

d)

nucleic acids

4.

made of nucleotides

e)

organic molecule

5.

contains carbon and hydrogen

26.
Sugars, starches and chitin are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
27.

What is a substance that gives a visible sign, usually by a color change, of the presence or absence of a specific molecule or compound?

a)

standard

b)

indicator

c)

catalyst

d)

reactant

e)

product

28.

Which indicator changes from brown to black in the presence of starch?

a)

Biuret

b)

Benedict

c)

Sudan IV

d)

Iodine

29.

A student tested a substance with Benedict's solution and determined glucose was not present in the substance. Circle the result the student most likely saw.

30.

A student tests a substance with protein indicator. The indicator turned from blue to purple which is a positive result. This means that (a)   was present in the substance.

31.

Which solution(s) shows a positive test for glucose (monosaccharide)?

a)
A
b)
B
c)
C
d)
D
32.
 Which solution shows a positive result for the presence of starch (polysaccharides)?
a)
A
b)
B
c)
C
d)
D
33.
Which solution would show a negative test for glucose with Benedict's solution?
a)
A
b)
B
c)
C
d)
D
34.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

35.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

36.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

37.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

38.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

39.
When large amounts of glucose is present Benedicts turns...
a)
purple
b)
blue-black
c)
brick-red
d)
green
40.

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

a)

orange/red

b)

blue

c)

black

d)

brick red

41.

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

a)

brick red

b)

blue

c)

black

d)

orange

42.

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

a)

brick red

b)

blue

c)

black

d)

orange

43.

A type of biological molecule that includes fats, oils and waxes

a)

lipids

b)

proteins

c)

carbohydrates

d)

nucleic acids

44.

The results of the Biuret test are shown in the diagram. If the purple colour is seen in the result, the food must contain...

a)

Fat

b)

Protein

c)

Starch

d)

Sugar

45.

The condition in an experiment that is changed or manipulated.

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

46.

The condition in an experiment that is observed or measured

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

47.

In a controlled experiment, how many variables can be worked with at a time?

a)

one

b)

none

c)

two or more

d)

how ever many makes sense.

48.
Which statement is an inference about this picture?
a)
The van is tan.
b)
The  van ran into KFC. 
c)
The driver was hungry. 
d)
Red and white are part of the KFC building. 
49.

Why do scientist use the scientific method?

a)

To make sure they get credit for their discoveries.

b)

To make sure their results are valid and can be performed by other scientists.

c)

So that other scientist don't get mad at them

50.

What is the typical shape of a plant cell?

a)

Square/Rectangle

b)

Circle/Oval

c)

Triangle/Pyramid

d)

Circle and Square

51.

Match the following

a)

Selectively Permeable Membrane

1.

Allows some materials to pass through but keeps other materials out

b)

Concentration

2.

Amount of substance in a given space

c)

Diffusion

3.

Movement of particles from an area of concentration to an area of lower concentratioin

d)

Osmosis

4.

Diffusion of water molecules through a selectively permeable membrane

52.

Which best describes which directions molecules move during diffusion?

a)

from an area of equilibrium to an area of high concentration

b)

from an area of equilibrium to an area of low concentration

c)

from an area of low concentration to an area of high concentration

d)

from an area of high concentration to an area of low concentration

53.

What is the process by which water diffuses across a selectively permeable membrane?

a)

active  transport

b)

osmosis

c)

simple diffusion

d)

facilitated diffusion

54.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
55.
 An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
56.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
57.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
58.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
59.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
60.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
61.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
62.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
63.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
64.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
65.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

66.

Which of these is most likely an enzyme?  

a)

Sucrose

b)

Galactose

c)

Fructose

d)

Amylase

67.

Which of the following two factors affect an enzyme's operation the most?

a)

amount of light and temperature

b)

blood glucose and pH

c)

temperature and pH

d)

amount of light and pressure

68.

In the lock-and-key model of enzyme action, the __________ fits into the __________ of the enzyme.

a)

product; substrate

b)

active site; product

c)

substrate; active site

d)

active site; substrate

69.

What is the purpose of the condenser?

a)

focus the light on a speciman

b)

control the amount of light

c)

no one knows and we aren't supposed to ask

d)

to change the height of the stage

Similar Resources on Wayground

Révision Chapitres 6,7,8 (ST-STE)

71 questions

Révision Chapitres 6,7,8 (ST-STE)

quiz

Worksheet

•

10th Grade - University

Monohybrid and Dihybrid Cross

68 questions

Monohybrid and Dihybrid Cross

quiz

Worksheet

•

University

Unit-5 Part-3

67 questions

Unit-5 Part-3

quiz

Worksheet

•

University

english 1-50

71 questions

english 1-50

quiz

Worksheet

•

University

Post Operative Management

64 questions

Post Operative Management

quiz

Worksheet

•

University

Respiratory, Digestive and Sports with Common Rehab

67 questions

Respiratory, Digestive and Sports with Common Rehab

quiz

Worksheet

•

University

Revision on Ch.14

70 questions

Revision on Ch.14

quiz

Worksheet

•

8th Grade - University

Skeletal System Pre-test

70 questions

Skeletal System Pre-test

quiz

Worksheet

•

11th Grade - University