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الصورة الرمزية أ.رحاب" 
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أ.رحاب أ.رحاب غير متواجد حالياً
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Oo5o.com (16) Biology Sample Items

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Biology Sample Items

نقره لعرض الصورة في صفحة مستقلة



Instruction
,Read the following questions
.Choose the right answer and darken in your answer sheet the circled letter corresponding to your answer


نقره لعرض الصورة في صفحة مستقلة

(1)
:Photosynthesis is a main pathway in all the following groups except
A) fungi
B) algae
C) cyanobacteria
D) bryophyte

(2)

نقره لعرض الصورة في صفحة مستقلة
?What is the name of the endocrine gland indicated below
A) Pituitary
B) Pineal
C) Thymus
D) Thyroid

(3)
:The RNA molecules differ from DNA molecules in
A) having a single strand
B) having thyamine
C) being present in the nucleus
D) having deoxyribose

(4)
نقره لعرض الصورة في صفحة مستقلة
.The two plants below were present in the same house garden
?Which of the following could be the cause of the withering of plant A
A) Plant infection
B) Lack of water
C) Type of soil
D) Lack of light

(5)
:If a person has symptoms of Beri Beri, then he should be treated with
A) antibiotics
B) vitamin B complex
C) vitamin A
D) cortisone

(6)
?A sudden red algal bloom occurred in a certain sea. What could be the cause of this phenomenon
A) Decrease in water level
B) Increase in nitrogen concentration
C) Increase in atmospheric temperature
D) Increase in light intensity

(7)
?If a white bull is crossed with a red cow, where both colors are recessive, what will the color of F1 progeny be
A) White
B) Red
C) Grey
D) White and red

(8)
:The function of the thymus endocrine gland is to regulate
A) gonad growth
B) body growth
C) body immunity
D) storage of nutrients

(9)
:The sexual reproductive cells are distinguished by having
A) mitosis
B) meiosis
C) spindle formation
D) centrosome formation

(10)
(During your examination of the leaves of a certain plant, you found out that they have parallel venation (veins
?To which group does this plant belong
A) Dicotyldon
B) Monocotyledon
C) Pterophyta
D) Bryophyte

(11)
In any close living relationship between two different species where one benefits from the other causing no harm to it but the other does not benefit, this relationship is called
A) commensalisms
B) carnivorousness
C) parasitism
D) mutualism

(12)
,If a husband has an (AB) blood type, and his wife has a dormant (A) blood type
?what will the possibility of their children’s blood types be
A) B , A
B) O only
C) A , O , AB
D) A , AB

(13)
?Which of the following worms belong to Phylum Annelida
A) Leech
B) Planaria
C) Liver fluke
D) Ascaris

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__________________


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نقره لعرض الصورة في صفحة مستقلة

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