NEW
Font size
S
M
L
XL
WorksheetsCytology
Total questions: 77
Worksheet time: 39mins
Name
Class
Date
1.
Which of the following structures represents syncytium:
a)
a. epithelium of thymic lobules
b)
b. reticular tissue of the red bone marrow
c)
c. reticular tissue of the peripheral hemopoietic organs
d)
d. spermatogenic epithelium
e)
e. enamel pulp
2.
Cellular structure that consists of lipid bilayer, integral, semiintegral and membranous proteins:
a)
a. plasmalemma
b)
b. microtubule
c)
c. ribosome
d)
d. cell centre
e)
e. axoneme
3.
Specialized junctional structure (cell contact) at which the two plasma membranes are in actual contact:
a)
a. unspecialized contact
b)
b. tight junction
c)
c. gap junction
d)
d. desmosome
e)
e. chemogenic synapse
4.
Cell contact that allows the free passage of some substances from one cell to the other:
a)
a. desmosome
b)
b. tight junction
c)
c. gap junction
d)
d. adhesive belt
e)
e. unspecialized contact
5.
The structure that is able to transmit nerve impulse:
a)
a. desmosome
b)
b. hemidesmosome
c)
c. synapse
d)
d. tight junction
e)
e. gap junction
6.
Gap junction is characterized by the fact that:
a)
a. plasma membranes are in actual contact
b)
b. the space between plasma membranes is about twenty nanometers
c)
c. between plasma membranes there is an electron-dense zone
d)
d. the space between plasma membranes is about three nanometers
e)
e. the cell contact is able to transmit nerve impulse (activation or inhibition) from one cell to the other
7.
Contact between epithelial cell and basal membrane:
a)
a. unspecialized
b)
b. tight junction
c)
c. desmosome
d)
d. hemidesmosome
e)
e. gap junction
8.
Glycocalix of the cellular plasma membrane represents:
a)
a. thick lipid layer
b)
b. ribonucleoprotein layer
c)
c. glycoprotein and glycolipid complexes associated with plasmalemma
d)
d. layer of glycosaminoglycans
e)
e. microfilaments and microtubules
9.
What molecules (substances) and ions can enter cells because of passive transport:
a)
a. water
b)
b. glucose
c)
c. amino acid
d)
d. sodium
e)
e. calcium
10.
Unspecialized cell junction is characterized by the fact that:
a)
a. the two plasma membranes are in actual contact
b)
b. the two plasma membranes are separated by a gap of 20 nanometers
c)
c. the two plasma membranes are separated by an electron-dense zone
d)
d. the two plasma membranes are separated by space of 3 nanometers
e)
e. it is able to transmit activation and inhibition from one cell to the other
11.
Desmosomes are characterized by the fact that:
a)
a. the two plasma membranes are in actual contact
b)
b. the two plasma membranes are separated by a gap of twenty nanometers
c)
c. the two plasma membranes are separated by electron-dense zone
d)
d. the two plasma membranes are separated by space of three nanometers
e)
e. they are able to transmit activation and inhibition from one cell to the other
12.
Which of the following structures is a membranous organelle:
a)
a. cilium
b)
b. microtubule
c)
c. ribosome
d)
d. centriole
e)
e. endoplasmic reticulum
13.
Which of the following structures is a membranous organelle:
a)
a. ribosome
b)
b. microtubule
c)
c. lysosome
d)
d. centriole
e)
e. microfilament
14.
Membranous organelle containing hydrolytic enzymes:
a)
a. granular endoplasmic reticulum
b)
b. Golgi complex
c)
c. lysosomes
d)
d. mitochondria
e)
e. agranular endoplasmic reticulum
15.
Which of the following structures are membranous organelles:
a)
a. microtubules
b)
b. microfilaments
c)
c. ribosomes
d)
d. polysomes
e)
e. Golgi complex
16.
Which of the following structures are membranous organelles:
a)
a. centrioles
b)
b. microtubules
c)
c. microfilaments
d)
d. ribosomes
e)
e. mitochondria
17.
Synthesis of proteins of the cell membrane takes place in:
a)
a. agranular endoplasmic reticulum
b)
b. granular endoplasmic reticulum
c)
c. peroxisomes
d)
d. lysosomes
e)
e. centrioles
18.
Cytoplasmic basophilia is due to the presence of the following organelles:
a)
a. Golgi complex
b)
b. granular endoplasmic reticulum
c)
c. agranular endoplasmic reticulum
d)
d. mitochondria
e)
e. lysosomes
19.
Which of the following structures takes part in the breakdown of biogenic macromolecules:
a)
a. centrioles
b)
b. ribosomes
c)
c. Golgi complex
d)
d. endoplasmic reticulum
e)
e. lysosomes
20.
Primary lysosomes are formed in:
a)
a. microtubules
b)
b. cell centre
c)
c. Golgi complex
d)
d. microfibrils
e)
e. peroxisomes
21.
Organelles that perform the function of accumulation, segregation, transport, modification and discharge of secretory product from the cell:
a)
a. microtubules
b)
b. microfilaments
c)
c. ribosomes
d)
d. polysomes
e)
e. dictyosomes of the Golgi complex
22.
Cell organelle that consists of five to ten flattened cisternae and a large number of vesicles
a)
a. agranular endoplasmic reticulum
b)
b. granular endoplasmic reticulum
c)
c. mitochondrion
d)
d. Golgi complex
e)
e. lysosome
23.
Cell organelle that is bounded by a smooth outer membrane within which there is an inner membrane; the inner membrane is highly folded on itself forming incomplete partitions called cristae; the space bounded by the inner membrane is filled by a granular material called matrix:
a)
a. agranular endoplasmic reticulum
b)
b. granular endoplasmic reticulum
c)
c. mitochondrion
d)
d. Golgi complex
e)
e. lysosome
24.
Synthesis of adenosinetriphosphate takes place in:
a)
a. centrioles
b)
b. microtubules
c)
c. microfilaments
d)
d. ribosomes
e)
e. mitochondria
25.
Organelles that change activity of the oxidation-reduction enzymes, and of the processes of active ion transport in the cell:
a)
a. lysosomes
b)
b. peroxisomes
c)
c. mitochondria
d)
d. Golgi complex
e)
e. agranular endoplasmic reticulum
26.
Cell organelle 0,2-0,4 micrometer in size, that represents membrane bounded vesicle containing hydrolases:
a)
a. agranular endoplasmic reticulum
b)
b. granular endoplasmic reticulum
c)
c. mitochondrion
d)
d. Golgi complex
e)
e. lysosome
27.
Damaged organelles are destroyed within a cell by:
a)
a. lysosomes
b)
b. peroxisomes
c)
c. microtubules
d)
d. microfilaments
e)
e. centrioles
28.
Enzymes of the primary lysosomes are synthesized in:
a)
a. agranular endoplasmic reticulum
b)
b. Golgi complex
c)
c. granular endoplasmic reticulum
d)
d. mitochondria
e)
e. free ribosomes and polysomes
29.
Marker enzyme of peroxisomes:
a)
a. succinate dehydrogenase
b)
b. acid phosphatase
c)
c. catalase
d)
d. alkaline phosphatase
e)
e. myeloperoxidase
30.
Marker enzyme of lysosomes:
a)
a. succinate dehydrogenase
b)
b. acid phosphatase
c)
c. catalase
d)
d. cytochrome oxidase
e)
e. lactate dehydrogenase
31.
Marker enzyme of mitochondria:
a)
a. catalase
b)
b. acid phosphatase
c)
c. alkaline phosphatase
d)
d. succinate dehydrogenase
e)
e. hyaluronidase
32.
Protein synthesis for “export” takes place in:
a)
a. nucleolus
b)
b. mitochondria
c)
c. granular endoplasmic reticulum
d)
d. agranular endoplasmic reticulum
e)
e. lysosomes
33.
In which cell organelles are the secretory granules formed:
a)
a. lysosomes
b)
b. cell centre
c)
c. Golgi complex
d)
d. mitochondria
e)
e. microtubules
34.
Non-membranous cell organelle:
a)
a. mitochondrion
b)
b. peroxisome
c)
c. microtubule
d)
d. lysosome
e)
e. endoplasmic reticulum
35.
Non-membranous cell organelle:
a)
a. Golgi complex
b)
b. centriole
c)
c. peroxisome
d)
d. lysosome
e)
e. endoplasmic reticulum
36.
Non-membranous cell organelles:
a)
a. Golgi complex
b)
b. microfilaments
c)
c. peroxisomes
d)
d. lysosomes
e)
e. endoplasmic reticulum
37.
Ribosomes play an essential role in:
a)
a. protein synthesis
b)
b. glycogen synthesis
c)
c. phagocytosis
d)
d. glycosaminoglycan synthesis
e)
e. transport of substances
38.
Cell organelle that represents elementary apparatus of the protein synthesis:
a)
a. ribosome
b)
b. lysosome
c)
c. peroxisome
d)
d. mitochondrion
e)
e. microtubule
39.
Basophilic organelles of young cells:
a)
a. lysosomes
b)
b. mitochondria
c)
c. ribosomes
d)
d. peroxisomes
e)
e. Golgi comples
40.
Organelle of the cytoskeleton is:
a)
a. mitrochondrion
b)
b. cell centre
c)
c. lysosome
d)
d. Golgi complex
e)
e. microtubule
41.
Pigment inclusion of the cell is:
a)
a. melanin
b)
b. neutral fat
c)
c. glycogen
d)
d. yolk
e)
e. zymogenic granule
42.
What types of inclusions do the drops of neutral fat belong to:
a)
a. secretory
b)
b. excretory
c)
c. pigment
d)
d. trophic
e)
e. foreign phagocytized particles
43.
What type of cytoplasmic inclusion of erythrocytes does hemoglobin represent:
a)
a. `trophic
b)
b. secretory
c)
c. excretory
d)
d. endogenous pigment
e)
e. exogenous pigment
44.
What type of inclusions do zymogenic granules represent:
a)
a. secretory
b)
b. trophic
c)
c. excretory
d)
d. endogenous pigment
e)
e. exogenous pigment
45.
Which of the following substances belong to the trophic cytoplasmic inclusions:
a)
a. bilirubin
b)
b. hemosiderin
c)
c. glycogen
d)
d. lipofuscin
e)
e. melanin
46.
Structural component of nucleus that is the site where ribosomal RNA is synthesized:
a)
a. nuclear membrane
b)
b. nucleolus
c)
c. nucleoplasm
d)
d. euchromatin
e)
e. heterochromatin
47.
At what phase of mitosis do nucleoli disappear:
a)
a. interphase
b)
b. prophase
c)
c. metaphase
d)
d. anaphase
e)
e. telophase
48.
At what phase of mitosis does nuclear membrane disappear:
a)
a. interphase
b)
b. prophase
c)
c. metaphase
d)
d. anaphase
e)
e. telophase
49.
The outer nuclear membrane is continuous with the membranes of:
a)
a. endoplasmic reticulum
b)
b. lysosomes
c)
c. peroxisomes
d)
d. mitochondria
e)
e. Golgi complex
50.
Nuclei made up mainly of heterochromatin are referred to as closed-face nuclei; that fact is due to:
a)
a. insult to cells
b)
b. beginning of mitosis
c)
c. lack of transcriptional activity
d)
d. high transcriptional activity
e)
e. polyploidy of the cells
51.
Large nuclei in which considerable areas of euchromatin can be seen are referred to as open-face nuclei; that fact is due to:
a)
a. insult to cells
b)
b. beginning of mitosis
c)
c. lack of transcriptional activity
d)
d. high transcriptional activity
e)
e. polyploidy of the cell
52.
At what stage of the cell cycle is the DNA content of the chromosome duplicated, and do centrioles divide:
a)
a. mitosis
b)
b. rest
c)
c. presynthetic
d)
d. synthetic
e)
e. postsynthetic
53.
What stage of the cell cycle is characterized by active RNA synthesis, tubulin synthesis, adenosine tiposphate synthesis, and maturation of the daughter centrioles:
a)
a. mitosis
b)
b. rest
c)
c. presynthetic
d)
d. synthetic
e)
e. premitotic
54.
The most of somatic cells of the organism are at the stage:
a)
a. G0
b)
b. G1
c)
c. S
d)
d. G2
e)
e. M
55.
Apoptosis is:
a)
a. programmed cell death
b)
b. cell death under the influence of damaging factors
c)
c. uncontrolled cell division
d)
d. destruction of the intracellular structures as a result of hydrolase elaboration by lysosomes
e)
e. lysis of the nucleus
56.
At which stage of mitosis do the chromosomes move until they have separated into two groups near the poles of the сell:
a)
a. interphase
b)
b. prophase
c)
c. metaphase
d)
d. anaphase
e)
e. telophase
57.
At which stage of mitosis the two centrioles separate and move to the opposite poles of the cell:
a)
a. interphase
b)
b. prophase
c)
c. metaphase
d)
d. anaphase
e)
e. telophase
58.
Which is the final phase of mitosis:
a)
a. interphase
b)
b. prophase
c)
c. telophase
d)
d. metaphase
e)
e. anaphase
59.
At which stage of mitosis do chromosomes line up across the centre, or equator, of the cell:
a)
a. prophase
b)
b. metaphase
c)
c. anaphase
d)
d. early telophase
e)
e. late telophase
60.
Which stage of mitosis is followed by cytokinesis:
a)
a. interphase
b)
b. prophase
c)
c. metaphase
d)
d. anaphase
e)
e. telophase
61.
At which stage of mitosis do sister chromatids separate:
a)
a. prophase
b)
b. metaphase
c)
c. anaphase
d)
d. early telophase
e)
e. late telophase
62.
As a result of mitotic division, the two somatic cells were formed. What chromosome number do they contain:
a)
a. aneuploid
b)
b. haploid
c)
c. diploid
d)
d. tetraploid
e)
e. octoploid
63.
Granular endoplasmic reticulum participate in …
a)
a. breakdown of the phagocyted particles
b)
b. lipid synthesis
c)
c. protein synthesis
d)
d. transport of material out of the cell
e)
e. formation of endocellular skeleton
64.
Golgi complex participate in …
a)
a. breakdown of the phagocyted particles
b)
b. lipid synthesis
c)
c. protein synthesis
d)
d. transport of material out of the cell
e)
e. formation of endocellular skeleton
65.
Lysosomes participate in …
a)
a. breakdown of the phagocyted particles
b)
b. lipid synthesis
c)
c. protein synthesis
d)
d. transport of material out of the cell
e)
e. formation of endocellular skeleton
66.
Microtubules participate in …
a)
a. breakdown of the phagocyted particles
b)
b. lipid synthesis
c)
c. protein synthesis
d)
d. transport of material out of the cell
e)
e. formation of endocellular skeleton
67.
Microfibrils participate in …
a)
a. breakdown of the phagocyted particles
b)
b. lipid synthesis
c)
c. protein synthesis
d)
d. transport of material out of the cell
e)
e. formation of endocellular skeleton
68.
Intracellular synthesis of proteins takes place in:
a)
a. Golgi complex
b)
b. ribosomes
c)
c. mitochondria
d)
d. nucleoli
e)
e. agranular endoplasmic reticulum
69.
Intracellular synthesis of adenosine triphasphate takes place in:
a)
a. Golgi complex
b)
b. ribosomes
c)
c. mitochondria
d)
d. nucleoli
e)
e. agranular endoplasmic reticulum
70.
Intracellular synthesis of ribosomal RNA
takes place in:
a)
a. Golgi complex
b)
b. ribosomes
c)
c. mitochondria
d)
d. nucleoli
e)
e. agranular endoplasmic reticulum
71.
Intracellular synthesis of polysaccharides takes place in:
a)
a. Golgi complex
b)
b. ribosomes
c)
c. mitochondria
d)
d. nucleoli
e)
e. agranular endoplasmic reticulum
72.
Intracellular synthesis of lipids takes place in:
a)
a. Golgi complex
b)
b. ribosomes
c)
c. mitochondria
d)
d. nucleoli
e)
e. agranular endoplasmic reticulum
73.
Mitosis is characterized by …
a)
a. synthesis of RNA, ATP, tubulins
b)
b. reduplication of DNA
c)
c. synthesis of the enzymes that are necessary for the formation of RNA precursors
d)
d. temporary or definitive loss of the ability for division
e)
e. division of the initial cell into two
74.
Rest in cell cycle is characterized by …
a)
a. synthesis of RNA, ATP, tubulins
b)
b. reduplication of DNA
c)
c. synthesis of the enzymes that are necessary for the formation of RNA precursors
d)
d. temporary or definitive loss of the ability for division
e)
e. division of the initial cell into two
75.
Presynthetic in interphase is characterized by …
a)
a. synthesis of RNA, ATP, tubulins
b)
b. reduplication of DNA
c)
c. synthesis of the enzymes that are necessary for the formation of RNA precursors
d)
d. temporary or definitive loss of the ability for division
e)
e. division of the initial cell into two
76.
Synthetic in interphase is characterized by …
a)
a. synthesis of RNA, ATP, tubulins
b)
b. reduplication of DNA
c)
c. synthesis of the enzymes that are necessary for the formation of RNA precursors
d)
d. temporary or definitive loss of the ability for division
e)
e. division of the initial cell into two
77.
Premitotic in interphase is characterized by …
a)
a. synthesis of RNA, ATP, tubulins
b)
b. reduplication of DNA
c)
c. synthesis of the enzymes that are necessary for the formation of RNA precursors
d)
d. temporary or definitive loss of the ability for division
e)
e. division of the initial cell into two
Reset
