پرسیاری وزاری زیندەزانی 2023-2024 خولی یەکەم ، خوێندنی ئینگلیزی

All of the following happen in the muscular contraction process EXCEPT

a nerve impulse stimulates the muscle to contract

Correct Incorrect Correct answer

the actin filaments slide between the myosin filaments

Correct Incorrect Correct answer

the actin filaments’ heads attach to points between the beds of the myosin filaments

Correct Incorrect Correct answer

– the myosin heads bend inward, pulling the actin with them

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The phase I (first) of HIV infection is similar to the phase II (second) of HIV infection in that in both phases

HIV-infected people feel wel

Correct Incorrect Correct answer

the HIV replicates

Correct Incorrect Correct answer

lymph glands become swollen

Correct Incorrect Correct answer

Helper T cells cannot stimulate B cells and cytotoxic T cells

Correct Incorrect Correct answer

In the luteal phase of the ovarian cycle , increased levels of both……………acts as a…………

estrogen and progesterone , negative feedback mechanism

Correct Incorrect Correct answer

follicle stimulating hormone and luteinizing hormone , negative feedback mechanism

Correct Incorrect Correct answer

follicle stimulating hormone and luteinizing hormone , positive feedback mechanism

Correct Incorrect Correct answer

estrogen and progesterone , positive feedback mechanism

Correct Incorrect Correct answer

Which of the following is incorrect about the process of the DNA replication

only a part of the two strands of DNA unwinds

Correct Incorrect Correct answer

helicases move along the DNA molecule breaking the hydrogen bonds between the complementary nitrogenous bases

Correct Incorrect Correct answer

each original strand serves as a template to make a new complementary strand

Correct Incorrect Correct answer

each of the new DNA molecules keeps one of the two original DNA strands

Correct Incorrect Correct answer

In the arm the flexor muscle differs from the extensor muscle in that the flexor muscle

has an origin point on the scapula

Correct Incorrect Correct answer

moves bones by pulling them

Correct Incorrect Correct answer

when it is in a state of relaxation, the limb straightens

Correct Incorrect Correct answer

its cells contain many nuclei

Correct Incorrect Correct answer

In the adjacent graph, the letter(s) that point(s) to the part of the
graph through which the sodium ion channels open is(are)

only X

Correct Incorrect Correct answer

X and Y

Correct Incorrect Correct answer

only Y

Correct Incorrect Correct answer

X and Z

Correct Incorrect Correct answer

Which of the following is considered as a chemical messenger and is not secreted by the nervous
system

epinephrine

Correct Incorrect Correct answer

acetaminophen

Correct Incorrect Correct answer

endorphins

Correct Incorrect Correct answer

enkephalins

Correct Incorrect Correct answer

The similarity between the axial skeleton and the appendicular skeleton is that both skeletons contain

red bone marrow

Correct Incorrect Correct answer

yellow bone marrow

Correct Incorrect Correct answer

a movable joint

Correct Incorrect Correct answer

both (A and C) are correct

Correct Incorrect Correct answer

The event shown in the adjacent figure activates which of the following

cytotoxic T cells

Correct Incorrect Correct answer

macrophage

Correct Incorrect Correct answer

the complement system

Correct Incorrect Correct answer

B cells

Correct Incorrect Correct answer

Which of the following is correct about umbilical cord

it attaches the fetus to the placenta

Correct Incorrect Correct answer

begins to secrete a hormone called human chorionic gonadotropin early in the second week after fertilization

Correct Incorrect Correct answer

materials such as nutrients and wastes are exchanged across the umbilical cord membrane

Correct Incorrect Correct answer

All of them are correct

Correct Incorrect Correct answer

Which of the following does not contain cartilage in its structure?

the epiphyseal plate

Correct Incorrect Correct answer

the outer ear

Correct Incorrect Correct answer

the inner layer of the arteries

Correct Incorrect Correct answer

-the epiglottis

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referring to the adjacent figure that shows a cerebral hemisphere, the nerve
impulses from the specialized mechanoreceptors are interpreted in the

only 1

Correct Incorrect Correct answer

1 and 2

Correct Incorrect Correct answer

1, 2 and 3

Correct Incorrect Correct answer

only 2

Correct Incorrect Correct answer

Which of the following is incorrect about incomplete dominance

the probable phenotypic ratio of a cross between a pure individual and a heterozygous individual is 3 : 1

Correct Incorrect Correct answer

three different phenotypes result from a cross between two heterozygous individuals

Correct Incorrect Correct answer

the phenotype of a heterozygous individual is intermediate between the phenotypes of the parents

Correct Incorrect Correct answer

the probable genotypic ratio of a cross between two heterozygous individuals is 1 : 2 : 1

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In rheumatoid arthritis

the joint cartilage becomes thinner and rougher

Correct Incorrect Correct answer

the joints become inflamed, swollen, stiff and deformed

Correct Incorrect Correct answer

the immune system begins to attack body tissues

Correct Incorrect Correct answer

both (B + C) are correct

Correct Incorrect Correct answer

:Interneurons

are found in the spinal cord

Correct Incorrect Correct answer

produce the myelin sheath around the axon of the nerve cell

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relay information between other neurons

Correct Incorrect Correct answer

both (A and C) are correct

Correct Incorrect Correct answer

A genotype that produces 50% of the gamete (ab) is

heterozygous for a character and recessive for the other

Correct Incorrect Correct answer

heterozygous for both characters

Correct Incorrect Correct answer

heterozygous for a character and homozygous dominant for the other

Correct Incorrect Correct answer

homozygous for both characters

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Which of the following is a function of the circulatory system

helps maintain a constant body temperature

Correct Incorrect Correct answer

transports nutrients, hormones, and gases

Correct Incorrect Correct answer

returning fluids that have collected in the tissues to the blood stream

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All of them are correct

Correct Incorrect Correct answer

In the process of hearing, which of the following causes movement of the bottom membrane in the middle
chamber

vibrations of fluid in the cochlea

Correct Incorrect Correct answer

bending the hair cells against the membrane covering them

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the movement of the calcium carbonate particles

Correct Incorrect Correct answer

vibrations of fluid in the semicircular canals

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In a monohybrid cross between two heterozygous individuals resulted in 300 individuals, its expected that the
number of pure and heterozygous individuals will be as follows

150 homozygous and 150 heterozygous

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225 homozygous and 75 heterozygous

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200 homozygous and 100 heterozygous

Correct Incorrect Correct answer

300 homozygous and 0 heterozygous

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In the adjacent figure ,which of the following numbers point to the valves that
prevent the oxygenated blood from flowing back in a wrong direction

2 and 3

Correct Incorrect Correct answer

1 and 4

Correct Incorrect Correct answer

1 and 2

Correct Incorrect Correct answer

3 and 4

Correct Incorrect Correct answer

?Which of the following adjust the shape of the lens to bend the rays of the incoming light

muscles in the pigmented iris

Correct Incorrect Correct answer

muscles attached to the lens

Correct Incorrect Correct answer

retina

Correct Incorrect Correct answer

cornea

Correct Incorrect Correct answer

The embryo develops from the mass of cells on the

outer surface of the blastocyst

Correct Incorrect Correct answer

outer surface of the morula

Correct Incorrect Correct answer

inner surface of the blastocyst

Correct Incorrect Correct answer

inner surface of the morula

Correct Incorrect Correct answer

In the pulmonary circulation the ……………sends the blood to the lungs

aorta

Correct Incorrect Correct answer

pulmonary artery

Correct Incorrect Correct answer

pulmonary vein

Correct Incorrect Correct answer

superior vena cava

Correct Incorrect Correct answer

In a synapse, when an action potential reaches the axon terminal of the presynaptic neuron, the vesicles
fuse with the

presynaptic membrane

Correct Incorrect Correct answer

receptor proteins on the presynaptic membrane

Correct Incorrect Correct answer

postsynaptic membrane

Correct Incorrect Correct answer

reuptake receptors on the postsynaptic membrane

Correct Incorrect Correct answer

The law of independent assortment is observed only for genes

have two dominant alleles

Correct Incorrect Correct answer

have two recessive alleles

Correct Incorrect Correct answer

located on separate chromosomes

Correct Incorrect Correct answer

located on the same chromosomes

Correct Incorrect Correct answer

Which of the following is a characteristic of the semi movable joints

they securely connect the boney plates in the skull

Correct Incorrect Correct answer

allow the body to bend and twist

Correct Incorrect Correct answer

allow to turn the head from side to side

Correct Incorrect Correct answer

All of them are correct

Correct Incorrect Correct answer

Which of the following is a psychoactive drug

acetylcholine

Correct Incorrect Correct answer

nicotine

Correct Incorrect Correct answer

tars

Correct Incorrect Correct answer

dopamine

Correct Incorrect Correct answer

Which of the following pairs represent pyrimidines

cytosine – thymine

Correct Incorrect Correct answer

guanine – cytosine

Correct Incorrect Correct answer

adenine – guanine

Correct Incorrect Correct answer

adenine – thymine

Correct Incorrect Correct answer

If an individual’s red blood cells carry on its surfaces an A antigen and a B antigen and cannot produce
anti-Rh antibodies, this individual can give blood to an individual with type………. blood.

(B+)

Correct Incorrect Correct answer

(A-)

Correct Incorrect Correct answer

AB+

Correct Incorrect Correct answer

AB-

Correct Incorrect Correct answer

The hypothalamus responds to

blood concentrations of circulating hormones

Correct Incorrect Correct answer

the signals coming from other brain regions

Correct Incorrect Correct answer

by issuing instructions in the form of hormones to the pituitary gland

Correct Incorrect Correct answer

All of them are correct

Correct Incorrect Correct answer

Based on the adjacent table, in which
of the Oswald Avery and his colleagues
the mice survived

1 and 2

Correct Incorrect Correct answer

only 2

Correct Incorrect Correct answer

1 and 3

Correct Incorrect Correct answer

only 3

Correct Incorrect Correct answer

four hemoglobin molecules can carry …………molecules of oxygen

2

Correct Incorrect Correct answer

4

Correct Incorrect Correct answer

8

Correct Incorrect Correct answer

16

Correct Incorrect Correct answer

Each adrenal gland

has medulla and cortex , both of them function as separate endocrine glands

Correct Incorrect Correct answer

secretion of its hormones is controlled only by the nervous system

Correct Incorrect Correct answer

secretes only steroid hormones

Correct Incorrect Correct answer

secretion of its hormones is regulated only by hormones in the anterior pituitary

Correct Incorrect Correct answer

The ribosomal RNA

transfers amino acids to the ribosome to make a protein

Correct Incorrect Correct answer

carries the instructions from a gene to make a protein

Correct Incorrect Correct answer

is part of the structure of ribosomes

Correct Incorrect Correct answer

contains the nitrogenous base thymine.

Correct Incorrect Correct answer

All of the following are nonspecific defenses EXCEPT

stomach acids

Correct Incorrect Correct answer

mucus

Correct Incorrect Correct answer

cytokines

Correct Incorrect Correct answer

waxes

Correct Incorrect Correct answer

In the mechanism of the action of amino acid-based hormones, which of the following activates an
enzyme that converts ATP to cyclic AMP

the receptor protein for the hormone

Correct Incorrect Correct answer

hormone-receptor complex

Correct Incorrect Correct answer

first messenger

Correct Incorrect Correct answer

second messenger

Correct Incorrect Correct answer

Based on the adjacent figure, test cross is performed to
determine the genotype for which of the following traits

1

Correct Incorrect Correct answer

2

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

4

Correct Incorrect Correct answer

Which of the following is correct about interferon

a protein released by cells infected with virus

Correct Incorrect Correct answer

forms a ring shaped structure

Correct Incorrect Correct answer

punctures the membranes of infected cells

Correct Incorrect Correct answer

All of them are correct

Correct Incorrect Correct answer

Drinking alcohol causes all of the following EXCEPT

dehydration

Correct Incorrect Correct answer

decreasing in the body temperature

Correct Incorrect Correct answer

addiction

Correct Incorrect Correct answer

chronic bronchitis

Correct Incorrect Correct answer

The correct sequence of organizing genetic material from the largest part to the smallest part is

Correct Incorrect Correct answer

Blood is composed of

(1-the plasma , 2-red blood cells , 3-white blood cells , 4-platelets)

only 1 , 2 ,3

Correct Incorrect Correct answer

only 2 , 3 , 4

Correct Incorrect Correct answer

1 , 2 , 3 , 4

Correct Incorrect Correct answer

only 1 , 4

Correct Incorrect Correct answer

Referring to the adjacent figure ,which shows the structure of the female
reproductive system, choose the correct answer from the following

1 , 2 and 3 are structures of this system

Correct Incorrect Correct answer

1 and 2 are structures of this system

Correct Incorrect Correct answer

1 and 3 are structures of this system

Correct Incorrect Correct answer

-only 3 is a structure of this system

Correct Incorrect Correct answer

if you know that the complementary strand of this strand (TATCAATCTGTTCAT) has become the
template for the transcription of mRNA ,Which polypeptides of the following is produced

Histidine , Valine , Tyrosine , Serine , Glutamine

Correct Incorrect Correct answer

Histidine , Valine , Tyrosine , Glutamine , Serine

Correct Incorrect Correct answer

Tyrosine , Glutamine , Histidine , Valine , Serine

Correct Incorrect Correct answer

Tyrosine , Glutamine , Serine , Valine , Histidine

Correct Incorrect Correct answer

The cell-mediated immune response differs from the humoral immune response in that the cell-mediated
immune response

needs to recognize antigens

Correct Incorrect Correct answer

more than one type of T cell is involved

Correct Incorrect Correct answer

needs to activate the helper T cell

Correct Incorrect Correct answer

at first needs to engulf a pathogen by the macrophage

Correct Incorrect Correct answer

The testes develop within …………before a male is born

he abdominal cavity

Correct Incorrect Correct answer

an external sac

Correct Incorrect Correct answer

the pelvic cavity

Correct Incorrect Correct answer

an external sac in the abdominal cavity

Correct Incorrect Correct answer

Which of the following is participate in RNA transcription

a promoter

Correct Incorrect Correct answer

termination signal

Correct Incorrect Correct answer

RNA polymerase

Correct Incorrect Correct answer

All of them are correct

Correct Incorrect Correct answer

The two body cavities which separated by the diaphragm are:

thoracic cavity and spinal cavity

Correct Incorrect Correct answer

cranial cavity and spinal cavity

Correct Incorrect Correct answer

thoracic cavity and abdominal cavity

Correct Incorrect Correct answer

abdominal cavity and pelvic cavity

Correct Incorrect Correct answer

HIV is transmitted by the transfer of body fluids containing…………….to a healthy body

HIV

Correct Incorrect Correct answer

anti-HIV antibodies

Correct Incorrect Correct answer

HIV-infected cells

Correct Incorrect Correct answer

both (A and C) are correct

Correct Incorrect Correct answer

In the male reproductive system, luteinizing hormone binds to receptors on the

seminiferous tubules in both testis

Correct Incorrect Correct answer

cells located between the seminiferous tubules in both testes

Correct Incorrect Correct answer

epididymis

Correct Incorrect Correct answer

-three exocrine glands of the male reproductive system

Correct Incorrect Correct answer

A cross between two pea plants produced the following off spring (120 that have axial flowers and green pods
,120 with terminal flowers and green pods, 40 that have axial flowers and yellow pods, 40 with terminal flowers
and yellow pods) which of the following represents the phenotype of the both crossed plants

have axial flowers and yellow pods × have terminal flowers and green pods

Correct Incorrect Correct answer

have axial flowers and green pods × have terminal flowers and green pods

Correct Incorrect Correct answer

have axial flowers and yellow pods × have terminal flowers and yellow pods

Correct Incorrect Correct answer

have axial flowers and green pods × have terminal flowers and yellow pods

Correct Incorrect Correct answer

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