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[امون الحب]

1. The genetic material of the cell called ------------- . by its replication , DNA will give information abiut cell divission.
a. Ribosomes
b. Centriols
c. Cytoplasm
d. chromatin
2. ---------- it contains catalase enzymes which decomposes hydrogen peroxide to water and oxygen, so protect the cell from damage.
a. Micro body
b. Mitochondria
c. Microtubules
d. cell from damage.
3. Foreign material engulfed by the cell (bacteria or viruses) are surrounded by a limiting membrane to form what is called ------------
a. Gologi
b. Macrophage
c. Phagolysosome
d. Phagocytosis
4. ---------- it contains hydrolytic enzymes active in acidic PH, and responsible for digestion of complex nutrient copmpounds.
a. Ribosomes
b. Nucleus
c. Lysosomes
d. Cytoplasm

5. ------------- attached to ER synthesize protein used out side the cell as hormone and enzymes.
a. Nucleus
b. Lysosomes
c. Ribosomes
d. Cytoplasm
6. ------------ the produce ATP which used to maintain body temperature.
a. Cytoplasm
b. Mitochondria
c. Nucleus
7. The movement of molecules across the membrane by active transport requires the assistance of integral proteins ------
a. Lipid
b. Carriers
c. Myosin
d. Barriers
8. the cytoplasmic process from cell surface surrounds the invading bacteria to enclose it inside the cell, it called
a. Exocytosis
b. Endocytosis
c. Pinocytosis
d. Phagocytosis
9. ----------- acts as a selective barrier that regulates the passge of materials in to and out of the cell
a. Cell membrane
b. Cytoplasm
c. Gologi
d. Mitochondria

10. The receptors act to prevent or allow different types of molecules according to the cell demands, e.g. hormones this is called -----------
a. Selective transport
b. Plasma lemma
c. active transport
d. passive transport
11. ------------ are large enough to extend across the two layers bilipid layers and protrude from both surface, act as carriers.
a. Lipoprotein
b. Integral protein
c. peripheral
d. Glycoprotein

12. They are characterized by a membrane bounded nucleus , and its division by the meiosis process called------------
a. Eukaryotes
b. Ribosomes
c. Bacteria
d. prokaryotes
13. -------------- active ingestion, uptake of materials inside the cells
a. pinocytosis
b. Exocytosis
c. phagocytosis
d. Endocytosis
14. carrier proteins assist molecules across the membrane ----------, by using energy provided by ATP.
a. carriers
b. Myosin
c. Lipids
d. barriers

15. -------- is the fuel house of the cell and located in sites where cell activity is more intense.
a. Gologi
b. cytoplasm
c. membrane
d. mitochondria

1-Small organelles found within the nucleus---------
centrioles
cytoplasm
nuleus
nuleuleolus
2.type of white blood cells which produce anti bodies.
platelets
eosinophils
lymphocytes
phagocytes
3.type of white blood cells which swallow up germs .
phagocytes
lymphocytes
microcytes
red blood cells
4...................are responsible for most human movement
connective tissues
epithelia tissues
nervous tissues
muscie tissues
5. glycogen is
not responsible for ATP
produce glucose on hydrolysis
has no function
synthesize fibrinogeb
6. protein synthesis takes place in
Cytoplasmic membrane
Ribosomes
Nucleus
Gologi complex
7. All of the following are types RNA except-
tRNA
fRNA
mRNA
rRNA
8. it is the matrix in which the organelles (living and non living)
are embedded, separated from the exterior by cell membrane
cell membrane
mitochondria
ribosome
nucleus.
9. ---------it regulates intracellular traffics and interchanges between the cell and its surrounding
Cell membrane
Phospholipids
Mitochondria
Carbohydrate
10. are foreign material which stimulate antibodies secretion by activated B cells and T cells.
Centrioles
Antigens
phospholipids
FIagella
11. the protein inhibitor of virus multiplication, made in the host cell and activate on the virus directly is called------------
Interferon
glycogen
lipoprotein
Integral protein
12. ---------its function to allow exchange between the cytoplasm and the nucleus.
Granules
Ribosomes
Nuclear pore
Centrioles
13. The regulation of biochemical activity of the cell by transmitting signals from the cell surface to its interior through-----------
Microfilaments
Microtubules
Mitochondria
Microbody
14. they providing support of the cells and responsible for the movement and transport activities
Ribosomes
Centrioles
Cytoplasm
Cytoskeleton

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