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SEM 4 MID-1 Exam Botany Dr NVR

Total questions: 161

Worksheet time: 2hrs 1mins

Name
Class
Date
1.

What molecule will your body generally use first for energy?

a)

carbohydrates

b)

lipids

c)

amino acids

d)

nucleic acids

2.

Given the chemical formula for glucose (C6H12O6), what type of molecule is it?

a)

pritein

b)

carbohydrate

c)

nucleic acid

3.

What is true of a prokaryotic cell?

a)

they have a nucleus

b)

they are NOT condiered to be alive

c)

they reproduce by binary fission

d)

they do not have a cell wall

4.

What is the smallest unit of life

a)

cell

b)

atom

c)

molecule

d)

organ

5.

1. Which of the following is a characteristic of a prokaryotic cell?

a)

Cellulose cell wall

b)

Mitochondrion

c)

Absence of nucleus

d)

Large subunit (80S) ribosome

6.

Which of the following is NOT a characteristic of all living things?

a)

growth and development

b)

ability to swim

c)

respond to the environment

d)

ability to reproduce

7.

What is DNA?

a)

Deoxyrebonucliec Acid

b)

Deoxirybonucleic Acid

c)

Deoxyribonucleic Acid

d)

Deoxyriebonucleic Acid

8.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
9.
Which of the following scientists was the first to observe bacteria under a microscope?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
10.
a sac like organelle that stores water, food, and other matter
a)
vacuole
b)
lysosome
c)
cytoplasm
d)
cell wall
11.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
12.

This is the powerhouse of a cell

a)

Cytoplasm

b)

Rough ER

c)

Ribosome

d)

Mitochondria

13.
This is the outside wall of an animal cell
a)
Smooth ER
b)
Cell Wall
c)
Cell Membrane
d)
Cytoplasm
14.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
15.
Which of the following is an enzyme filled organelle that breaks down waste in the cell?
a)
lysosomes
b)
chloroplast
c)
mitochondria 
d)
Golgi apparatus 
16.
Why is the nucleus important? 
a)
It give the cell its energy
b)
It stores genetic information
c)
It uses sunlight for food
d)
It makes the proteins
17.
What is the function of the cell membrane?
a)
Supports and protects the cell
b)
Controls the cell
c)
Controls what enters and leaves the cell
d)
Metabolic reactions occur here
18.

collects, processes, and packages proteins for the cell

a)

mitochondria

b)

gogli apparatus

c)

smooth ER

d)

rough ER

19.

Prokaryotes do NOT have....

a)

membrane bound organelles

b)

DNA or RNA

c)

Cell membrane

d)

Life

20.

C6H12O6

a)

Water

b)

Glucose

c)

Oxygen

d)

Carbon Dioxide

21.

Who is the author of the book "The Micrographia"

a)

Robertson

b)

Robert Brown

c)

Robert Hook

d)

C. Darwin

22.

Cell wall is the secretion product of

a)

Cytoplasm

b)

Tonoplast

c)

Plasmalemma

d)

Nucleoplasm

23.

Eukaryotic cell differs from Prokaryotic cell in having

a)

Well defined nucleus

b)

Endoplasmic Reticulum

c)

Mitochondria

d)

Golgi complex

24.

Nucleus was discovered by

(a)  

25.

Identify semi-autonomous cell organelles

a)

Chloroplast

b)

Mitochondria

c)

Both

d)

None of the above

26.

The common feature for nucleus, chloroplast and mitochondria is

a)

Cristae

b)

Lamellae

c)

Nucleic acids

d)

Double membranous

27.

Staining material of chromosome is

a)

Methyl Isocyanate

b)

Methyl green

c)

Methyl blue

d)

Acetocaramine

28.

Who stated that "DNA is a genetic material"

a)

Schleiden and Schwann

b)

Sutton and Bovery

c)

Jacob and Monod

d)

Mac Leod and Mc Carty

29.

Ribosomes are sites of

a)

Protein synthesis

b)

Chlorophyll synthesis

c)

Carbohydrate synthesis

d)

None of the above

30.

The bond present between two strands of DNA is

a)

Hydrogen

b)

Carbon

c)

Oxygen

d)

Nitrogen

31.

Identify and comment on the image of cell organelle shown.

(a)  

32.

The energy currency of cell is

a)

ADP

b)

ATP

c)

GTP

d)

CTP

33.

Which of these structures contains RNA but not DNA?

a)

nucleus

b)

mitochondrion

c)

chloroplast

d)

ribosome

34.

All cells contain which of the following

a)

Endoplasmic reticulum

b)

plasma membrane

c)

nucleus

d)

mitochondria

35.

If a person receives an X and a Y chromosome, that person is:

a)

Female

b)

Male

c)

Physically challenged Individual

d)

All of the above

36.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
37.
Why is the nucleus important? 
a)
It give the cell its energy
b)
It stores genetic information
c)
It uses sunlight for food
d)
It makes the proteins
38.

Where are proteins made?

a)

Golgi body

b)

Mitochondria

c)

Chromosomes

d)

Ribosomes

e)

The gym

39.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
40.

Which of the following is NOT a cell theory...

a)

All cells come from pre-existing cells

b)

All non-living things are made of cells

c)

Cells are the basic unit of structure and function of all living things

41.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
42.

what is the function of a lysosome?

a)

To create energy for the cell

b)

To command the cell what to do

c)

To remove waste using digestive enzymes from the cell

d)

To protect the cell

43.

What is the purpose of the nucleus?

a)

It is the command center, contains DNA, and cell division

b)

It protects the cell

c)

It stores energy for the cell

d)

It gets rid of waste in the cell

44.

What is the difference between mitochondria and chloroplast?

a)

Mitochondria produces energy and chloroplasts breaks down energy

b)

There is no difference. They are the same.

c)

Mitochondria breaks down energy from food and chloroplasts produce energy from sunlight.

d)

Mitochondria contains DNA and chloroplasts are green

45.
What cell function would be affected if the Golgi apparatus is damaged? 
a)
Exporting Proteins
b)
Storage of water and waste
c)
Production of Energy 
d)
Cell divison
46.
What is the primary function of the cell's selectively permeable membrane? 
a)
Regulate energy production 
b)
Keeps the cell's shape
c)
Control what enters and leaves the cell
d)
Maintain a free flow of molecules
47.

Which of these is NOT a unique structure to plant cells?

a)

cell wall

b)

central vacuole

c)

chloroplas

d)

nucleus

48.

Which part of the cell STORES water and minerals?

a)

mitochondria

b)

nucleus

c)

cell membrane

d)

vacuole

49.

Where does PHOTOSYNTHESIS happen in plants?

a)

in the nucleus

b)

everywhere in the cell

c)

in the cytoplasm

d)

in the chloroplasts

50.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
51.

What distinguishes a plant cell from an animal cell? (How do you tell them apart) Hint: There's 3 ways (Check all 3)

a)

Central Vacuole

b)

Mitochondria

c)

Cell Wall

d)

Ribosomes

e)

Chloroplasts

52.

Which organelle produces proteins?

a)

Vacoule

b)

Ribosome

c)

Mitochondrion

d)

Nucleus

53.

Which organelle is involved in the formation of spindle fibre?

a)

Nucleus

b)

Ribosome

c)

Mitochondrion

d)

Centriole

54.

Which structure controls the movement of substances into and out of the cell?

a)

A

b)

B

c)

C

d)

D

55.

Which structure in Amoeba sp. is involved in osmoregulation?

a)

Pseudopodium

b)

Lysosome

c)

Nucleus

d)

Contractile vacoule

56.

What is the effect to the cell if there is no SER?

a)

no energy product

b)

no synthesis of lipid

c)

no synthesis of protein

d)

no modification of protein

57.

What is P that can be found on this Amoeba?

a)

Vacoule

b)

Pseudopodium

c)

Plasma membrane

d)

Nucleus

58.

Diagram shows a process that occurs in Amoeba sp. What is the organelle involved in this process?

a)

Ribosome

b)

Mitochondrion

c)

Lysosome

d)

Nucleus

59.

Which structure in Amoeba sp. is involved in osmoregulation?

a)

Pseudopodium

b)

Lysosome

c)

Nucleus

d)

Contractile vacoule

60.
A paramecium is _______________-celled, or ________________, so it is an organism on its own
a)
single, unicellular
b)
multi, multicellular 
c)
double, bicellular
d)
non, nonliving
61.

True or false: Bacteria and plant cells both have a cell wall

a)

True

b)

False

62.

What is the name of the structure which holds the cell and its contents together?

a)

Cell Wall

b)

Centriole

c)

Cell Membrane

d)

Vacuole

63.

The gel-like fluid that fills a cell is called what?

a)

Centriole

b)

Vacuole

c)

Cytoplasm

d)

Plasma

64.

True or false: Both plant and animal cells have a vacuole.

a)

False

b)

True

65.

On which cells would I mostly find the flagella structure?

a)

Plants

b)

Animals

c)

Funghi

d)

Bacteria

66.

The organelle responsible for plant photosynthesis.

a)

Ribosomes

b)

Chloroplast

c)

Lysosome

d)

Mitochondria

67.

The function of the cell wall is...

a)

Transport nutrients into the cell

b)

Stop water from getting out of the cell

c)

To provide structure and support

d)

Make the cell look good

68.

True or false: All bacteria are harmful.

a)

True

b)

False

69.

In what cell would I most likely find a large vacuole?

a)

Animal

b)

Fungi

c)

Bacteria

d)

Plant

70.

What is DNA for?

a)

DNA moves the cell around

b)

DNA maintains the shape of the cell

c)

DNA stores the information on how the cell should grow and reproduce

d)

DNA prevents the bacterial cell from drying out

71.

We measure cells in what units?

a)

centimetres

b)

nanometres

c)

millimetres

d)

microns/micrometres

72.

The circular image we can see our specimens on through a light microscope is called what?

a)

Stage

b)

Field of view

c)

Microscope

d)

Light

73.

How do mitochondria regulate energy in a cell?

a)

Mitochondria transfer energy between cells as energy is needed.

b)

Mitochondria convert energy in nutrients into usable energy.

c)

Mitochondria absorb and convert energy from the sun.

d)

Mitochondria convert energy from the nucleus into usable energy.

74.

Which of these is NOT a unique structure to plant cells?

a)

cell wall

b)

central vacuole

c)

chloroplas

d)

nucleus

75.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
76.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
77.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
78.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
79.
Which of the following scientists was the first to observe bacteria under a microscope?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
80.
a sac like organelle that stores water, food, and other matter
a)
vacuole
b)
lysosome
c)
cytoplasm
d)
cell wall
81.

This is the powerhouse of a cell

a)

Cytoplasm

b)

Rough ER

c)

Ribosome

d)

Mitochondria

82.
This is the outside wall of an animal cell
a)
Smooth ER
b)
Cell Wall
c)
Cell Membrane
d)
Cytoplasm
83.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
84.
Which of the following is an enzyme filled organelle that breaks down waste in the cell?
a)
lysosomes
b)
chloroplast
c)
mitochondria 
d)
Golgi apparatus 
85.

Prokaryotes do NOT have....

a)

membrane bound organelles

b)

DNA or RNA

c)

Cell membrane

d)

Life

86.

The classical cell theory contains the following tenets EXCEPT

a)

A. Cells form by free-cell formation.

b)

B. All cells come from pre-existing cells.

c)

C. Cells are the basic unit of living organisms.

d)

D. Living organisms composed of one or more cells.

87.

Which of the prokaryotic and eukaryotic cell characteristics is NOT CORRECTLY matched?

a)

A. Eukaryotes have linear chromosomes; prokaryotes have circular chromosomes.

b)

B. Prokaryotes have two different RNA polymerases; eukaryotes have three different RNA polymerases.

c)

C. Prokaryotes have mRNAs that often polycistronic; eukaryotes have mRNAs that are monocistronic.

d)

D. Eukaryotes have membrane-bound organelles; prokaryotes do not have membrane-bound organelles.

88.

Which of the following statements is in the CORRECT order of bonds, listed form the strongest to weakest?

a)

A. Covalent bond, ionic bond, hydrogen bond, van der waals interaction.

b)

B. Ionic bond, hydrogen bond, van der waals interaction, covalent bond.

c)

C. Hydrogen bond, van der waals interaction, covalent bond, ionic bond.

d)

D. Van der waals interaction, covalent bond, ionic bond, hydrogen bond.

89.

Type of chemical bonds form in the molecules influenced by

a)

A. Electrostatic – electron attraction

b)

B. Electromagnetic – magnetic attraction

c)

C. Electropositivity – a degree to which the atom pulls proton and holds them together

d)

D. Electronegativity – a degree to which the atom pulls electron and holds them together

90.

Two or more polypeptide chains join in aggregates to form a

a)

A. Tertiary protein structure

b)

B. Primary protein structure

c)

C. Secondary protein structure

d)

D. Quaternary protein structure

91.

Which of the following aspects is NOT significant for a high magnification of microscope?

a)

A. High contrast

b)

B. High resolution

c)

C. High fluorescence

d)

D. High numerical aperture

92.

A suitable microscope used to view small, unstained specimens that makes living cells more visible.

a)

A. Dark field microscope

b)

B. Bright field microscope

c)

C. Fluorescence microscope

d)

D. Confocal Laser microscope

93.

Which of the following microscopes is used to reveal very fine detail structure and realistic colour of a small specimen?

a)

A. Dark field microscope

b)

B. Bright field microscope

c)

C. Fluorescence microscope

d)

D. Confocal Laser microscope

94.

Magnification can be adjusted electronically and a specimen is viewed in 3D image.

a)

A. Dark field microscope

b)

B. Bright field microscope

c)

C. Fluorescence microscope

d)

D. Confocal Laser microscope

95.

Which of the following microscopes is practical to study the internal structure of cells?

a)

A. Light microscope

b)

B. Stereo microscope

c)

C. Scanning electron microscope

d)

D. Transmission electron microscope

96.

Which of the following statements is CORRECTLY matched of the enzyme and location it is synthesized?

a)

A. Catalase synthesized in lysosome.

b)

B. Nucleases synthesized in nucleus.

c)

C. Hydrolases enzyme synthesized in ER.

d)

D. Oxidative enzyme synthesized in endosome.

97.

Which of the following processes is NOT involves degradation of intracellular and extracellular components?

a)

A. Autophagy

b)

B. Exocytosis

c)

C. Endocytosis

d)

D. Receptor mediated endocytosis

98.

Known as ‘Self-eating’ due to the natural and regulated mechanism of disposal obsolete parts and damaged cells in the organelle.

a)

A. Autophagy

b)

B. Exocytosis

c)

C. Endocytosis

d)

D. Receptor mediated endocytosis

99.

Genetic disorder that occurs in young boy resulted in deterioration of myelin sheath of neurons.

a)

A. Zellweger Syndrome (PXRI)

b)

B. Mucopolysaccharidosis I (MPS-I)

c)

C. Inclusion – Cell Disease (I-cell disease)

d)

D. X-linked adrenoleukodystrophy (X-ALD)

100.

Which of the following statements is TRUE on how the lysosomal proteins are recognised and sorted in Trans Golgi Network (TGN)

a)

A. The proteins recognized and sorted by peroxisome.

b)

B. The proteins recognized and sorted by endosome and lysosome.

c)

C. The proteins carry a unique marker, ‘Mannose-6-phosphate’ which recognized by the transmembrane M6P receptor that present on the Trans-Golgi Network.

d)

D. The proteins carry a unique marker, ‘Mannose-6-phosphate’ which recognized by the transmembrane M6P receptor that present on the Cis-Golgi Network.

101.

Which of the following coated vesicle involve in transportation of materials from TGN to endosomes, lysosomes and plant vacuoles?

a)

A. COPI – coated vesicles

b)

B. COPII – coated vesicles

c)

C. COPIII – coated vesicles

d)

D. Clathrin – coated vesicles

102.

Movement of materials in retrograde or backward direction normally observed in

a)

A. Cisternal transport model

b)

B. Vesicular transport model

c)

C. Cisternal maturation model

d)

D. Vesicular maturation model

103.

Which of the followings is NOT the main structures of cytoskeleton?

a)

A. Microtubules

b)

B. Motor proteins

c)

C. Microfilaments

d)

D. Intermediate filaments

104.

Transit peptides transported into chloroplasts are recognized by _______ in the outer membrane and _______ in the inner membrane.

a)

A. Hsp 70; Hsp 60

b)

B. Hsp 60; Hsp 70

c)

C. TOC complex; TIC complex

d)

D. TIC complex; TOC complex

105.

1. In nuclear export, interaction with ________ causes a conformational change, either the importin dissociates from cargo (molecule imported from cytoplasm to nucleus) or exportin binds to cargo (molecule exported from nucleus to cytoplasm).

a)

A. RanBP

b)

B. Ran – GAP

c)

C. Ran – GDP

d)

D. Ran – GTP

106.
What characteristic defines this organism as prokaryotic?
a)
Ability to move
b)
Ability to respond
c)
Shape and size
d)
Lacking of membrane-bound organelles
107.
What structures are found in ALL prokaryotic AND Eukaryotic Cells?
a)
flattened, stack-like structures which process macromolecules.
b)
a continuous, interconnected network of membranes.
c)
small, protein -producing units composed of RNA and protein.
d)
Power-producing organelles that convert energy into usable forms.
108.
Which structures are found in plant cells, but not in animal cells?
a)
Cell membranes and mitochondria
b)
Vacuoles and cholorplasts
c)
Cell walls and cytoplasm
d)
Chloroplasts and cell walls
109.
Which of the following is evidence that a cell is prokaryotic?
a)
Cell wall
b)
Cytoplasm
c)
Ribosome
d)
Nucleoid Region 
110.
Which of the following is NOT evidence that a cell is Eukaryotic?
a)
Ribosomes
b)
Mitochondria
c)
Lysosomes
d)
Internal membranes
111.
Nucleic acid is found in both prokaryotic cells and eukaryotic cells: 
a)
True
b)
False
c)
I don't know what Nucleic Acid is.
112.
Which cellular structure in plants is responsible for photosynthesis?
a)
Nucleus
b)
Cell membrane
c)
Mitochondrion
d)
Chloroplast
113.
What is the function of the cell membrane, in ALL living organisms?
a)
Provides support and structure in the cell.
b)
Synthesizes protein for ATP for the cell.
c)
Storage of raw materials (food) and ATP for the cell. 
d)
Regulates the transport of materials into and out of the cell. 
114.
What characteristic is found in both prokaryotic and eukaryotic cells?
a)
Mitochondrion
b)
ER
c)
Vacuole 
d)
Ribosome
115.
What type of transport is occurring in Part C of the diagram shown?
a)
Active Transport
b)
Osmosis
c)
Facilitated Diffusion
d)
Diffusion
116.
What organelle of the cell produces energy?
a)
Mitochondria 
b)
Golgi Body 
c)
Vesicle 
d)
Vacuole 
117.
What kind of transport does not require energy?
a)
Active 
b)
Vacuole 
c)
Passive 
d)
Na/K Pump 
118.
What structure of the cell forms a frame that holds the cell up in the cytoplasm?
a)
centrioles 
b)
cell wall 
c)
flagella 
d)
cytoskeleton 
119.
What is something that prokaryotic and eukaryotic cells have in common?
a)
They have a nucleus. 
b)
They are multi-cellular. 
c)
They have DNA. 
d)
They have organelles that are membrane-bound.
120.
What is facilitated diffusion?
a)
Transport that uses proteins to help move molecules across the membrane. 
b)
Movements of substances through a membrane. 
c)
When molecules spread from High to Low concentration on their own. 
d)
When pressure pushes something through a membrane. 
121.
What macromolecules help to make the cell membrane? 
a)
Proteins 
b)
Carbohydrates 
c)
Phospholipids 
d)
All of the above 
122.
All of the following statements are true about prokaryotic cells EXCEPT 
a)
No nucleus 
b)
They are simple and small 
c)
Have a cell wall 
d)
Have organelles 
123.
This process uses pressure to push substances through the cell membrane. 
a)
Filtration 
b)
Active Transport 
c)
Osmosis 
d)
Endocytosis 
124.
Which of the following is the best example of osmosis? 
a)
NA/K Pump 
b)
Water moving though the cell membrane 
c)
Kidneys 
d)
Photosynthesis 
125.
What is the significance of the cell membrane? 
a)
Provides protection 
b)
Maintains homeostasis 
c)
Give a cell hydrophobic ends
d)
Provides cholesterol 
126.
What are the 2 parts of a phospholipid? 
a)
Hydrophobic head, hydrophilic tails 
b)
Hydrophobic heads, hydrophobic tails 
c)
Hydrophilic heads, hydrophobic tails 
d)
Hydrophilic heads, hydrophilic tails 
127.
What is an isotonic solution?
a)
When solutions are in equilibrium 
b)
When the solution has more solute 
c)
When the solution has less solute 
d)
Has a greater pressure 
128.
Which of the following is correct about the Golgi? 
a)
Digests waste materials 
b)
Protection and Support 
c)
Modifies and packages molecules 
d)
cellular movement 
129.
Molecules using simple diffusion move from 
a)
high to low concentrations 
b)
low to high concentrations 
c)
no concentrations  
d)
both concentrations  
130.
Osmosis is the movement of... 
a)
salt 
b)
sugar 
c)
water 
d)
none of these 
131.
 Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane? 
a)
simple osmosis
b)
active transport
c)
simple diffusion
d)
facilitated diffusion
132.
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?
a)
active transport
b)
passive transport
c)
facilitated diffusion
d)
co-transport
133.
 In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will not. Which structure in the leaf cell is responsible for this difference?
a)
cell membrane
b)
cell wall
c)
 mitochondrion
d)
nucleus
134.
Which activity can occur without the use of energy?
a)
contraction of muscle tissue
b)
protein synthesis in a cell
c)
active transport of minerals
d)
movement of water across a membrane
135.
The diffusion of water across a selectively permeable membrane is called 
a)
active transport
b)
facilitated diffusion
c)
osmosis
d)
phagocytosis
136.
During diffusion molecules tend to move 
a)
   up the concentration gradient
b)
 from an area of lower concentration to an area of higher concentration
c)
 in a direction that doesn’t depend on concentration
d)
 down the concentration gradient
137.

What are the two types of cell transport?

a)

Passive and Active

b)

Active and Facilitated

c)

Passive and Facilitated

d)

None of the above

138.

In passive transport, substances move across the cell membrane ________ the concentration gradient

a)

AGAINST

b)

ALONG

c)

WITH

d)

BETWEEN

139.

Which describes a hypotonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

140.

Which describes a hypertonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

141.

Which describes an isotonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

142.

The movement of particles from an area of high concentration to an area of low concentration

a)

active transport

b)

osmosis

c)

diffusion

d)

random movement

143.

When material passes into and out of a cell at equal rates and there is no difference in concentration between the inside and outside of the cell, the cell is in a state of...

a)

dynamic equilibrium

b)

diffusion

c)

osmosis

d)

active transport

144.

The movement of materials that does NOT require energy is called...

a)

active transport

b)

passive transport

c)

massive transport

d)

proactive transport

145.

When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.

a)

Pinocytosis

b)

Endocytosis

c)

Receptor-mediated

d)

Exocytosis

146.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
147.
When particles move from areas of high concentration to areas less concentrated, this has taken place.
a)
diffusion
b)
mitosis
c)
endocytosis
d)
photosynthesis
148.
What process occurs when WATER diffuses across a membrane?
a)
endocytosis
b)
mitosis
c)
osmosis
d)
nuclear fission 
149.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
150.

Why are diffusion and osmosis important to cells?

a)

It allows them to take in materials/substances without using energy.

b)

It allows them to reproduce.

c)

It allows them to absorb sunlight.

d)

It allows cells to use all energy.

151.
The picture  is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
152.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of ___________.
a)
osmosis
b)
equilibrium
c)
diffusion
d)
hypertonic
153.

What does selectively-permeable mean?

a)

Allow certain things to enter and leave the cell

b)

Nothing gets through

c)

The cell lets only large substances through

154.
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.
155.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
156.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
157.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
158.

Passive transport requires ________________

a)

concentration gradients

b)

no energy

c)

motion

d)

energy

159.

The diffusion of particles through the cell membrane from high to low concentration is called ....

a)

exocytosis

b)

active transport

c)

passive transport

d)

osmosis

160.

When the smell of perfume spreads throughout a room, it is an example of ....

a)

passive transport

b)

diffusion

c)

active transport

d)

osmosis

161.

If a gummy bear is placed in salt water, the mass of the gummy bear will decrease because water will move out of the gummy bear. What process does this represent?

a)

osmosis

b)

fermentation

c)

respiration

d)

diffusion

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