[عبود الصغير]

اول سؤال(1)

A waste product of respiration is
A)

water.
B)

electrons.
C)

hydrogen peroxide.
D)

carbon dioxide.
E)

glucose.
Answer:

D

السؤال التاني(13)

Within the lungs, gas exchange occurs across
A)

alveoli.
B)

tracheae.
C)

bronchioles.
D)

diaphragms.
E)

bronchi.
Answer:

A

السؤال التالت(19)

In a mammal, blood leaving the lungs goes to
A)

the kidneys.
B)

the heart.
C)

the limbs.
D)

the liver.
E)

the brain.
Answer:

B

السؤال الرابع(21)

Oxygen is mostly transported through the body
A)

dissolved in the blood.
B)

dissolved in red blood cells.
C)

bound to hemoglobin.
D)

bound to dissolved iron.
E)

bound to carbon.
Answer:

C
السؤال الخامس(22)

The oxygen-carrying component in red blood cells is
A)

carbon dioxide.
B)

hemoglobin.
C)

bicarbonate ions.
D)

iron.
E)

the cell membrane.
Answer:

B
السؤال السادس(28)

What is the most common cause of anemia?
A)

vitamin deficiency
B)

low blood pressure
C)

iron deficiency
D)

inefficient hemoglobin production
E)

bone marrow cancer
Answer:

C

السؤال السابع؟؟؟؟؟؟؟؟؟؟؟؟؟(15)

Birds, like other animals, must eliminate ammonia or urea, and do so by converting them to
A)

amino acids.
B)

ammonium ions.
C)

lactic acid.
D)

sodium chloride.
E)

uric acid.
Answer:

E

السؤال الثامن(17)

What is the name of the functional unit of the kidney?
A)

renal unit
B)

Bowman's capsule
C)

nephron
D)

glomerulus
E)

tubule
Answer:

C

السؤال التاسع(25)

Secretion is the movement of substances such as glucose, amino acids, ions, and vitamins from the ________ into the ________.
A)

nephron tubule . . . glomerulus
B)

filtrate . . . blood
C)

glomerulus . . . nephron tubule
D)

blood . . . filtrate
E)

urinary bladder . . . outside
Answer:

D

السؤال العاشر(27)

Water moves out of filtrate in the nephron tubule into the interstitial fluid by
A)

reabsorption.
B)

capillary action.
C)

refinement.
D)

secretion.
E)

osmosis.
Answer:

E

السؤال الحادي عشر<حلوه الحادي عشر>
(32) The male organ of a flower is the
A)

style.
B)

stigma.
C)

stamen.
D)

sepal.
E)

carpel.
Answer:

C

السؤال الثاني عشر(41)

A seed develops from a(n)
A)

pollen grain.
B)

fruit.
C)

ovary.
D)

ovule.
E)

sporophyte.
Answer:

D

السؤال الثالث عش؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟ر(45)

Which of the following is a function of fruits?
A)

production of food for the developing embryo
B)

pollen dispersal
C)

seed dispersal
D)

attracting pollinators
E)

production of ovules
Answer:

C

السؤال الرابع عشر(56)

Reproductive systems with external fertilization are most common in
A)

terrestrial animals.
B)

populations with many more males than females.
C)

animals that are widely dispersed.
D)

aquatic animals.
E)

populations with many more females than males.
Answer:

D

السؤال الخامس عشر(Fertilization
A)

joins two diploid sets of chromosomes.
B)

activates development in the egg.
C)

joins two haploid sets of chromosomes.
D)

joins two haploid sets of chromosomes and activates development in the egg.
E)

joins two diploid sets of chromosomes and activates development in the egg.
Answer:

D

السؤال السادس عشر(67)

Which of the following serves as an impenetrable barrier that prevents more than one sperm from fertilizing an egg?
A)

the acrosome
B)

the jelly coat of the egg
C)

the sperm's plasma membrane
D)

the fertilization envelope
E)

the zygote's cytoplasm
Answer:

D

السؤال السابع عشر(73)

Which of the following structures develops from mesodermal tissue?
A)

notochord
B)

lining of the digestive tract
C)

skin
D)

cornea and lens of the eye
E)

nervous system
Answer:

A

السؤال الثامن عشر ؟؟؟؟؟؟؟؟؟؟؟؟؟(79)

Which of the following helps maintain the structure of chromosomes and control the activity of genes?
A)

the nuclear membrane
B)

proteins
C)

centromeres
D)

ribosomes
E)

lipids
Answer:

B

السؤال التاسع عشر (86)

The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called
A)

mitosis.
B)

cytokinesis.
C)

binary fission.
D)

telophase.
E)

spindle formation.
Answer:

B

السؤال العشرون(92)

Which of the following is a feature of plant cell division that distinguishes it from animal cell division?
A)

formation of a cell plate
B)

formation of a cleavage furrow
C)

lack of cytokinesis
D)

production of four (rather than two) new cells per mitotic division
E)

disappearance and subsequent reappearance of the nucleolus
Answer:

A


السؤال الحادي والعشرون<بردوه حلوه عشرون>
(101)

Mendel conducted his most memorable experiments on
A)

peas.
B)

roses.
C)

guinea pigs.
D)

fruit flies.
E)

clones.
Answer:

A

السؤال الثاني والعشرين(110)

What is the normal complement of sex chromosomes in a human male?
A)

two X chromosomes
B)

two Y chromosomes
C)

two X chromosomes and one Y chromosome
D)

one X chromosome and one Y chromosome
E)

one Y chromosome
Answer:

D

السؤال الثالث والعشرون(115)

The monomers of DNA and RNA are
A)

amino acids.
B)

monosaccharides.
C)

nucleotides.
D)

fatty acids.
E)

nucleic acids.
Answer:

C

السؤال الرابع والعشرون؟؟؟؟؟؟؟؟؟؟؟(125)

The transfer of genetic information from DNA to RNA is called
A)

translation.
B)

tranion.
C)

initiation.
D)

elongation.
E)

promotion.
Answer:

B

السؤال الخامس والعشرون؟؟؟؟؟؟؟؟؟؟ (130)

Any change in the nucleotide sequence of DNA is called
A)

a mutation.
B)

an advantage.
C)

a codon.
D)

a translation.
E)

an anticodon.
Answer:

A

السؤال السادس والعشرون(140)

Which of the following is likely to occur in E. coli cells that are grown in skim milk?
A)

The lac operon is shut off and the cells will not produce lactose-utilizing enzymes.
B)

The trp repressor is activated and the cells will produce lactose-utilizing enzymes.
C)

The trp operon is turned on but the bacteria will not produce lactose-utilizing enzymes.
D)

The trp operon and the lac operon are both switched off.
E)

The trp operon and the lac operon are both switched on.
Answer:

B

السؤال السابع والعشرون(148)

A transgenic animal is
A)

an animal that is the first of its kind to bear a particular allele.
B)

an animal in which a genetic defect has been corrected using recombinant DNA therapy.
C)

an animal containing a gene from a third "parent," which may even be another species.
D)

an animal containing genes from both its parents.
E)

an animal containing genes from three or more species.
Answer:

C


وفيه سؤال جاء من البارت 2 إل هو اظن جوابه دخول الاكسجين وخروج ثاني اكسيد الكربون


الاسئلة إلي عليها ؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟ معناته اني مو متأكد مرة بس

الاسئلة الباقية متأكد 300 في المية

وسامحووووووووووووووووووووووووووووووووووني وربي هدا إلي قدرة احفظة وربي ادري انه ولا شي وانه زي قلته ( يعني زي وجهي) بس والللللللللللله اني حبيت اساعدكم بشي

بس ما ادري هل الاسئلة نفسها

وبالتوفيق وشدوا حيلكم يابنات ترى الاسئلة فيها شوية صعوبه

نسيت اقلكم الرسمه جات حقت الضب مدري الضفدعة إلي في شبتر 25 وبس

Which arrow in this figure shows heat loss by conduction?
A)

arrow A
B)

arrow B
C)

arrow C
D)

arrow D
E)

arrow E
Answer:

E