Download 1-· Which of the following sentences best describes the transport

1- Which of the following sentences best describes the transport proteins?
Proteins that found within muscles
Proteins that carry oxygen
include antibodies of the immune system
hormones
Proteins that
Proteins that best exemplified by the
Proteins that serve as antenna for outside signals
2- Which of the following is not one of the components of a RNA nucleotide?
Uracil
Phosphate group
Guanine
Deoxyribose sugar
Adenine
3- Antoni van Leeuwenhoek later described cells that could
eroded
cook
move
feed
freeze
4- Regarding the cell membrane:
it contains lipid bilayer.
glycoprotein.
it contains phospholipids bilayer.
all of the above are true.
it contains
only b and c are true.
5- Inside the cell found an extensive network of flattened sacs and tubules called
_____.
golgi apparatus
profusions
microtubules
cytoplasmic extensions
protoplasmic
endoplasmic reticulum
6- Which organelle functions as a storage and packaging site?
ribosome.
lysosome.
mitochondrion.
Golgi apparatus.
nucleolus
7- The chloroplast is surrounded by
a single membrane
a double membrane
mitochondrial membrane
the cell membrane
the
the nuclear envelope
8- Microtubules belong to the
lysosomes
ribosomes
Golgi apparatus
chloroplasts
cytoskeleton
9- The basal body of the cilia is made of -------------- arranged in a ring
nine microtubule doublet
ten microtubule triplets
tenmicrofilamentdoublet
nine microfilamentdoublet
nine microtubule triplets
10- Which of the following specialized cell junctions consists ofchannels?
Anchoring junctions
Tight junctions
Plasmodesmata
Gap junctions
Open junction
11- Structure fits …………. at all levels of organization in the organism is a basic
concept of biology
species
adaptation
function
genus
strength
12- The simple squamous epithelium represent the lining of the
intestine
tract
air sacs of the lung
esophagus
kidney tubules
respiratory
13 Which of the following is a connective tissue?
skin
brain
blood
muscle
ileum
14- Which of the following statements about artificial skin is false?
artificial skin has been used on burn victims.
human fibroblasts.
artificial skin is grown from
artificial skin is inexpensive and easy to use.
artificial skin
has shown such success that other artificial tissues are under investigation.
artificial skin may not be used on any animal, just humans.
15- Which of the following represent the correct arrangement of the cell wall layers
of two adjacent plant cells?
1rycell wall, 2ndcell wall, middle lamella, 2ndcell wall,1rycell wall,
wall, 1ry cell wall, middle lamella, 1ry cell wall, 2nd cell wall
2ndcell wall, middle lamella, 1rycell wall, 1rycell wall,
middle lamella, 2ndcell wall, 1rycell wall
lamella, 1rycell wall, 2ndcell wall
2nd cell
2ndcell wall,
2ndcell wall, 1rycell wall,
1rycell wall, 2ndcell wall, middle
 The shape of collagen protein causes
faster growth of the muscles
elongation of blood vessels
enlargement of the liver
great strength to bones
activation of sexual hormones
 Which of the following statements regardinggeneis true:
gene is a segment of protein.
gene consists of a sequence of DNA.
nucleotides is the building blocks of the gene.
found in the cytoplasm of eukaryotic cells.
it is part of theribosome.
It is
 Which of the following statements about cells is true?
all cells have cell walls.
all cells have internal structures that move.
are attached to other cells.
all cells are motile.
all cells
all cells have static organelles.
 The endoplasmic reticulum is an extension of which of these membranes?
cell membrane
wall
outer nuclear membrane
inner nuclear membrane
cell
outer cell membrane
 What is the function of the nucleus?
supports and protects the cell.
leaves the cell.
controls the cell.
metabolic reactions occur here.
controls what enters and
all of the above.
 Which of the following statements about the endomembrane is false?
Smooth ER lacks attached ribosomes
membranes
unconnected
Rough ER lines the outer surface of
They differ in structure and function
However, they are
Smooth ER is involved in a variety of diverse metabolic processes
 ATP stands for _____.
adenosine triphosphate.
advanced tactical plane.
adenine triphosphate.
adenosine diphosphate.
adenosine terphosphorus.
 Which of the followingis made of tubulin subunits?
Microfilament
Motor protein
Tonofilament
Microtubule
Intermediate filament
 The extracellular matrix (ECM) is composed of strong fibers of
elastin
hyaline
cartilage
collagen
muscles
 Which of the following regarding eukaryotic cell structures and manufacturing is
false?
Nucleus
Ribosomes
Rough ER
Vacuoles
Golgy apparatus
 Animals is consisted of a hierarchy of levels of
organisms
organelles
organization
organs
organics
 Which are the four types of animal tissues? CMEN XD
Epithelial, Squamous, Muscular, Connective.
Cardiac.
Epithelial, connective, Muscular,
Connective, Muscular, Epithilial, Nervous.
Glandular, Columnar.
Cuboidal, Ciliated,
columnar, Squamous, Muscular, Connective.
 _________ connective tissue is loaded with collagenous fibers.
Special
Cartilage
Adipose
Tubular
Fibrous
 The intestinal wall is covered by
connective tissue
epithelial tissues
smooth muscle
nervous tissues
adipose tissues
 Chains of sieve tube members which are separated by porous sieve plates are called
lignin
phloem
fibers
sclereides
xylem
 Hundreds or thousands of amino acids linked by peptide bonds is called:
oligopeptide.
correct.
polypeptide.
polynucleotide.
polymer.
b and d are
 Which of the following statements regarding nucleotides is false?
Nucleotides have a nitrogenous base backbone.
molecules.
Nucleotides contain sugar
Nucleotides contain phosphate groups.
together to form nucleic acids.
Nucleotides can be linked
Nucleotides contain nitrogenous bases.
 The electron microscope has been particularly useful in studying bacteria, because
electrons can penetrate bacterial cell wall
move so quickly they are hard to photograph.
macromolecules
bacteria are so small.
bacteria
bacteria are distinguished by
their organelles are small
 Which of the following cellular structuresare found in the plant cells?
Lysosomes and central vacuole
Centriolesand mitochondria
and ribosomes
Centriolesand endoplasmic reticulum
Lysosomesandmitochondria
Mitochondria
 Which of these organelles is surrounded by a double membrane layer that contains
many pores?
nucleus.
both a and d
rough endoplasmic reticulum
Golgi apparatus
lysosomes
 Contractile vacuoles in some protists to function to
expel water from cell
synthesize proteins
is part of the endomembrane system
defend the cell
produce energy for the cell
 Mitochondria and chloroplasts were formerly small prokaryotes that began living
within larger cells, this proposal is called
endosymbiosis
predation
specialization
cooperation
replication
 Intermediate filaments belong to the
contractile vacuoles
endomembrane system
nuclear envelope
cytoskeleton
lysosomes
 The arrangement of the microtubule of the cilia is called the ----------- pattern
9+1
2+9
+9
9+9
9+2
**)!!!!! 9+2 ‫ وش تفرق عن‬2+9 ’ ‫( هينا مدري وش يحسون فيه او أني مو فاهمه‬
 To which of the following categories of general functions of the organelles, the
nucleus belongs?
Manufacturing
Breakdown
Energy processing
Supporting
Movement
 Animals have ------ main categories of tissues
two
three
four
five
six
 Epithelial tissue function is lines the organs and cavities also
hormone secretion
cell junctions
enzyme secretion
covers the body
organs linkage
 Which of the following is not a Connective tissue?
Fat droplets , Cartilage-Forming cells
Bone-Forming Cells , Loose connective
tissue
Fibrous connective tissue, Blood
Cartilage-Forming cells, Bone-Forming
Cells
Simple squamous epithelium , Skeletal muscle
 Which of the following isa laboratory-grown organ?
Bladder
Brain
Spinal cord
Lung
Esophagus
 Collenchyma cells:
have secondary cell wall.
a and b.
are alive at maturity.
provide flexible support.
b and c.
 Which of the following sentences best describes the signal proteins?
Proteins that found within muscles
Proteins that serve as metabolic catalysts
Proteins that include antibodies of the immune system
exemplified by the hormones
Proteins that best
Proteins that serve as antenna for outside signals
 The gene consists of a
double helix of DNA
chain
single strand of DNA
strand of RNA
polypeptide
particular nucleotide sequence
 The ultrastructure of cells can be seen by the
light microscope
microscope
electron microscope
florescent microscope
inverted
dark field microscope
 Which of the following is/are a membrane components?
Lipids
cholesterol.
membrane components.
protein.
carbohydrate.
all of the above are
 The endomembrane system is made up of EXCEPT the _________.
vacuoles
lysosomes
endoplasmic reticulum
Golgi apparatus
cytoplasm
 The smooth and rough endoplasmic reticulum
play an important role in the synthesis of cellular proteins
structure and function
have different
c)are not found in the same eukaryotic cell
in the formation of fats and oils
carry different types of ribosomes
d)participate
 The stroma is the:
thick fluid enclosed by the inner chloroplast membrane.
by the inner membrane of a mitochondrion.
membranes of a chloroplast.
mitochondrion.
watery fluid enclosed
space between the inner and outer
space between the inner and outer membranes of a
fluid within the grana.
 Microtubules are made of ------------------- protein subunits.
fibrin.
myosin.
actin.
tubulin.
histone.
 The bending movement of a flagellum involves motor proteins called ______ that
are attached to each outer microtubule doublet.
radial spokes
dyneim arms
anchoring proteins
locomotor proteins
elastic protein
 Cell junctions that are joined by fused membranes are called:
occluding junctions.
junctions.
anchoring junctions.
tight junctions.
communicating
plasmodesmata.
 The sequence that represents increasing complexity in animal body is
organ, organ system, cell, tissue
organ, organ system
cell, organ, organ system, tissue
cell, tissue, organ system, organ
cell, tissue,
none of the above
 Stratified epithelial cells are
composed of a single layer
form of a long sheet
stacked on top of each other
carrying numerous cilia
arranged in the
longer than the simple epithelium
 Which of the following tissue is found at the end of the bone?
Pseudostratified epithelium
Adiposetissue
Loose connectivetissue
Fibrousconnectivetissue
Cartilage
 Skeletal muscle
causes voluntary movements
lines the abdominal cavity
pumps blood
consists of bone
 The middle lamella is a --------- layer.
tight
loose
thick
sticky
fine
moves walls of internal organs
 Each of the 20 naturally occurring amino acids has a different:
NH2 group.
COOH group.
R group.
OH group.
all of the above.
 Which of the following are among nitrogenous bases of the RNA?
Adenine, guanine and uracil
thymine
Thymine,uraciland cytosine
Thymine, cytosine and guanine
Uracil,guanineand
Adenine, thymineandguanine
 Which of the following parts of the light microscope magnifies the
specimen,forming a primary image?
The condenser lens
The light source
The eyepiece
The objective lens
The ocular lens
 In the structure of membrane………. are embedded into the phospholipid bilayer.
steroids
carbohydrates
proteins
fatty acids
polymers
 There are two types of ribosomes in the cell, these are
free and tubular ribosomes
ribosomes
cube and rectangle ribosomes
round and rectangle ribosomes
free and attached
none of the above
 Mitochondria and chloroplasts are involved in_______ processing.
metabolic
cell
energy
waste
food
 Photosynthesis occurs in __________.
stroma
matrix
mitochondria
chloroplasts
central pigment
 Which component of the cytoskeleton is mostly vital in guiding the movement of
chromosomes during cell division?
Microfilaments
Microtubules
Macrofilaments
Intermediate filaments
Macrotubules
 A group of chemicals called ----------- may be the cause of a decline in sperm
quality?
hydrocarbons
cyanides
phthalates
phenols
organophosphorus
 Which of the following organelles do not perform amanufacturing function?
Golgi apparatus
reticulum
Nucleus
Lysosomes
Ribosomes
Smooth endoplasmic
 Which of the following is NOT one of the four main types of tissues?
basement.
epithelial.
connective.
muscle.
nervous.
 Ciliated epithelium is found in ______.
tongue.
oesophagus.
trachea.
uterus.
stomach.
 The tendon is formed of
loose connectivetissue
fibrousconnectivetissue
Pseudostratified epithelium
adiposetissue
simple squamous epithelium
 Smooth muscle is found mainly in the:
heart.
stomach.
brain.
skeletal system.
a and d.
 Meristematic cells are
Small
thick-walled
frequently cubical
densely packed with protoplasm,
capable of producing new cells by cell-division
 The helical structure of the protein results from
a)interactions between the R groups of the various amino acids
more polypeptide chains
polypeptide chain
folding of the polypeptide chain
association of two or
elongation of the
coiling of the polypeptide chain
 Which of the following statements regarding lactose intolerance is/are true:
it refers to the ability of people to eat ice cream.
is due to a deficiency of amylase.
by giving galactosesupplements.
is due to a deficiency of lactose.
is due to mutation in lactose gene.
can be managed
 A small cell has more Surface area relative to its cell……. and is more efficient
Volume
Granules
Type
Shape
structure
 Which of the following cellular structure are not found in the animal cells?
Central vacuoles
reticulum
Lysosomes
Ribosomes
Mitochondria
Endoplasmic
 Which of the following organelles controls cell activities and is responsible for inheritance
nucleus
RNA
ribosomes
Golgi apparatus
endoplasmic reticulum
 The network of endoplasmic reticulum is present in the ____.
nucleus.
chromosome.
cytoplasm.
Golgi apparatus.
chloroplast.
 The folds of the inner membrane that increases surface area of metochondria is called
__________.
matrix
grana
cristae
stroma
intermembrane space
 Which component of the cytoskeleton is mostly important in guiding the transport of
vesicles from Golgi apparatus to plasma membrane?
Microfilaments
Macrofilaments
a+b+c are correct choices
Intermediate filaments
Microtubules
 Cilia and flagella move by bending motor proteins called
body arms
melanin arms
dynein arms
vitamin arms
left arms
 To which of the following categories of general functions of the organelles, the cell
junctions belong?
Manufacturing
Energy processing
Communication
 Which of the following is a major category of animal tissue?
epithelium.
heart.
lymph.
blood serum.
biceps.
Breakdown
Supporting
 Which type of tissue forms glands?
epithelial
connective
nervous
muscle
all of the above
 Adipose tissue is also known as:
fat tissue
cartilage tissue.
areolar tissue.
brain matter.
None of the above.
 The neurons of heart,
cause heart contractility
store fats around the heart
line the heart chambers
make the heart elastic
regulate heart contractions
 Which of the following is atough layer beneaththe primary cell wall?
The cuticle
The sticky layer
The plasmodesmata
The plasma membrane
The secondary cell wall
___________________________________________________________________
 Folding of the polypeptide in protein secondary structure may lead to a structure called
an alpha helix
shape
a pleated sheet
a fibrous shape
a globular shape
 RNA usually consists of a single ____ strand but DNA is a _____helix.
polypeptide – triple
polymer – beta
polysaccharide – sulphur
polynucleotide – double
collage – single
 One meter is equal to ----- inches.
33.79
37.39
39.37
93.37
37.93
 Organisms lacking nucleus and membrane bound organelle are _________.
diploids.
prokaryotes.
haploids.
eukaryotes.
mammals.
a circular
 The nucleus is surrounded by a nuclear envelope which is………with pores allowing
material to travel both ways.
single membrane layer
membrane to alcohol
transparent membrane
double membrane
insoluble
soluble membrane
 The Golgi apparatus
is composed of stacks of membranous vesicles that are continuous with one another.
stores, modifies, and packages proteins.
strings together amino acids to produce
proteins.
forms fats from glycerols and fatty acids.
breakdown.
is the site of carbohydrate
 Photosynthesis ends by the formation of
sugar
plastids
thylakoids
grana
stroma
 The microtubules are composed mainly of
actin filaments
tubulin
fibrous subunits
lipid granules
phospholipids
 Most animal cells are:
surrounded by a cell wall.
in an endomembrane system.
lipid matrix.
attached to each other via plasmodesmata.
embedded in an extracellular matrix.
embedded
embedded in a
 Which of the following statements regarding plasmodesmata is false?
Plasmodesmata are commonly found in prokarya
cell walls.
Plasmodesmata penetrate plant
Plasmodesmata are one type of cell junction in plants.
carry chemicals between plant cells.
Plasmodesmata
Plasmodesmata carry nutrients between plant cells.
 Tuna, sharks, and penguins have adapted to their environment by becoming fast
swimmers. they are fast swimmers due to
the oily secretion on their skins.
their streamlined, tapered bodies.
their oversized
fins and flippers.
their exceptional capacity for energy storage.
motion of their bodies.
the frisbee-like turning
 Epithelial tissues
transmit impulses.
surfaces.
cause body movements.
sense stimuli.
cover both external and internal body
form a framework that supports the body.
Ligaments and tendons are formed of ______.
epithelial tissue.
muscular tissue.
cartilage.
connective tissue.
smooth
muscle .
the right answer is the cells are sparsely scattered through a nonliving matrix.
 The walls of internal organs of humans are moved by ________-.
involuntary muscles
spindle-form muscles
unstraited muscles
smooth muscles
all of the above choices are correct
 The flexible support of the growing plant parts is offered by___________.
sieve tube members
tracheids
selerenchyma cells
spongy tissue
collenchyma cells
 The bending and folding of a protein molecule would produce a:
primary structure.
and c are correct.
alpha helix.
secondary structure.
tertiary structure.
b
 The gene consists of a
double helix of DNA
single strand of DNA
particular nucleotide sequence
strand of RNA
polypeptide chain
 The ultrastructure of cells can be seen by the
light microscope
microscope
electron microscope
florescent microscope
inverted
dark field microscope
 This structure is basically associated with an eukaryotic cell________.
cell wall
nucleus
nucleoid
double layers of plasma membrane
membrane – bound
single DNA chromosome
 DNA is ---------- within the nucleus -----------the cell division.
copied ------- before
separated --- after
copied-------after
coiled ------- before
coiled ------- during
 The main function of Golgi apparatus is __________.
transporting
processing
packaging
modifying
b+c+d are correct choices
 Both mitochondria and chloroplasts have
RNA and lysosomes
ribosomes
proteinsand lysosomes
chromatin and ribosome
DNA and
actinand centrosome
 Cells contain a network of protein fibers, called the cytoskeleton, that function in
________ and ________of the cell.
transfer of molecules ….. hydrolysis
support ….. motility
synthesis ……. reproduction
support ……. production of lipids
structural
synthesis …… shape
 Which of the following sentences concerning extracellular matrix is false?
It is essential to cell function
together
Collagen fibers of the extracellular matrix hold cells
It holds cells together protect the plasma membrane
It attaches to the
membrane protein through connecting proteins
connect to microfilaments of the cytoskeleton
Integrins of the extracellular matrix
 Cellulose is the main component of
animal cells
intestinal lumen
artries
veins
plant cell walls
 Sharks have streamlinedtapered bodies which reflects
development
natural selection
ordering
d)regulation
predation
 Which of the following items has a shape most like a squamous epithelial cell?
a watermelon.
a cupcake.
a fried egg.
a spoon.
the letter "s".
 Which of the following is a connective tissue?
skin
brain
blood
muscle
ileum
 Which of the following statements about artificial skin is false?
artificial skin has been used on burn victims.
fibroblasts.
artificial skin is grown from human
artificial skin is inexpensive and easy to use.
artificial skin has shown such
success that other artificial tissues are under investigation.
on any animal, just humans.
artificial skin may not be used
 The cell division is restricted to ______.
meristematic cells.
permanent cells.
secretory.
epidermis
 Which one of the following would be correctly classified as a protein?
cholesterol .
starch.
enzymes.
cellulose.
liposaccharide.
a and b.
 The number of adenine bases in a DNA molecule equals the number of thymine bases
because:
DNA contains equal numbers of all four bases.
each DNA strand.
thymine always follows adenine on
DNA is made of alternating adenine and thymine bases.
one strandbonds to thymine on the other strand.
adenine on
all are true.
 All living things are composed of cells and cells arise from living cells, this helps to
define…………………..
Robert Hooke law
Inheritance theory
Cell theory
Interface hypothesis
Organelle theory
 Which of the following cellular structuresare found in the plant cells?
Lysosomes and central vacuole
ribosomes
Centriolesand mitochondria
Centriolesand endoplasmic reticulum
Mitochondria and
Lysosomesandmitochondria
 Which of the following organelles controls cell activities and is responsible for inheritance
nucleus
RNA
ribosomes
Golgi apparatus
endoplasmic reticulum
 Which organelle breaks down food into particles that the cell can use?
Golgi apparatus
lysosome
endoplasmic reticulum
mitochondrion
nucleolus
 Cellular respiration is accomplished in the ------------- of eukaryotic cells.
mitochondria
nucleus
cytoplasm
endoplasmic reticulum
Golgi apparatus
 Cell motility is the function of the
contractile vacuoles
endoplasmic reticulum
cytoskeleton
endomembrane system
mitochondria
 Animal sperm has a
cilia
flagella
pseudopodia
cytoplasmic fold
membraneinfoldings
 To which of the following categories of general functions of the organelles, the
extracellular matrix belongs?
Communication
Supporting
Energy processing
Manufacturing
Breakdown
 Which of the following is a major category of animal tissue?
epithelium.
heart.
lymph.
blood serum.
biceps.
 Ciliated epithelium is found in
tongue
oesophagus
trachea
uterus
none of the above
 Connective tissue has an extensive extracellular matrix therefore called special connective
tissue.
Loose connective tissue
choices are correct
Adipose
Blood
Semi-solid
Two of the above
 The digestive tract contains
Cardiac muscles
Skeletal muscles
Coiled muscles
Abdominal muscles
Smooth muscles
 Which is not true about Collenchyma cells?
have primary cell wall.
lack secondary cell wall.
are dead at maturity.
flexible support.
provide
The primary cell wall is thick.