الموضوع: المختبرات كل مايخص المختبرات مستوى رابع
عرض مشاركة واحدة
قديم 2012- 2- 28   #12
منارالحارثي
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الملف الشخصي:
رقم العضوية : 79401
تاريخ التسجيل: Tue Jun 2011
المشاركات: 64
الـجنــس : أنـثـى
عدد الـنقـاط : 50
مؤشر المستوى: 58
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بيانات الطالب:
الكلية: الاكاديميه الدوليه للعلوم الصحيه
الدراسة: انتظام
التخصص: مختبرات
المستوى: المستوى الخامس
الأوسمة و جوائز بيانات الاتصال بالعضو اخر مواضيع العضو
منارالحارثي غير متواجد حالياً
رد: كل مايخص المختبرات مستوى رابع
هذي محلوله
Answer
First question:Chose the correct answer:(30 marks)
1- Ecology studies:
(A)
How living organisms interact with each other
(B)
How living organisms interact with their environment
(C)
Ecosystems
(D)
All the above

2- Each ecosystem is made up of:
(A)
Habitat
(B)
Community
(C)
Cell wall
(D)
A & B

3- The living part of the ecosystem is called:
(A)
Habitat
(B)
Community
(C)
Nucleus
(D)
Non of the above

4- Each habitat has the following conditions:
(A)
Right amount of light
(B)
Right amount of oxygen
(C)
Right amount of water
(D)
All the above

5- The community includes:
(A)
Plants
(B)
Animals
(C)
Non-living organisms
(D)
A & B




6- Examples of environmental factors are:
(A)
Water
(B)
Temperature
(C)
Light
(D)
All the above

7- Penguins can withstand temperature of:
(A)
- 80 °
(B)
- 100 °
(C)
- 200 °
(D)
80 °

8- Light is needed for:
(A)
Photosynthesis
(B)
Cell division
(C)
Contraction
(D)
Non of the above

9- Few organisms can live without:
(A)
Nitrogen
(B)
Carbon dioxide
(C)
Helium
(D)
Oxygen

10- Individual plants and animals compete with each other for:
(A)
Food
(B)
Light
(C)
Water
(D)
All the above

11- Predator is:
(A)
Non-living organism
(B)
An animal that feed by hunting and killing its prey
(C)
plant
(D)
Non of the above

12- Grazier is an animal that eat:
(A)
Other animals
(B)
Plants
(C)
Fish
(D)
All the above

13- Decomposers are microbes that:
(A)
Build up dead material
(B)
Decompose dead material
(C)
Decompose living organisms
(D)
Non of the above

14- Fungi are:
(A)
Unicellular organisms
(B)
Multicellular organisms
(C)
Non flowering plants
(D)
All the above

15- Saprophytes obtain their food from:
(A)
Other organisms
(B)
By themselves
(C)
From decayed matter
(D)
Non of the above

16- Examples of compound epithelial tissue are:
(A)
Squamous
(B)
Cuboidal
(C)
Columnar
(D)
Non of the above

17- The function of WBCs is:
(A)
Carry oxygen
(B)
Fight disease
(C)
Make clot
(D)
Non of the above

18- The smooth muscle is responsible for:
(A)
Carry oxygen
(B)
Involuntary movement
(C)
Form tendon and ligaments
(D)
Non of the above

19- The nerve cells are responsible for:
(A)
Carrying oxygen
(B)
Fighting disease
(C)
Transmitting impulses
(D)
Non of the above

20- Food and Oxygen diffuse from blood to cells by:
(A)
Nucleus
(B)
Mitochondria
(C)
Diffusion
(D)
Non of the above

21- The movement of particles from high concentration to low concentration is called:
(A)
Active transport
(B)
Diffusion
(C)
Cell wall
(D)
Non of the above

22- Each chromosome is made of:
(A)
Carbon dioxide
(B)
Water
(C)
Holes
(D)
Genes

23- By mitosis, new organisms has:
(A)
Identical chromosomes & genes to their parent
(B)
Non-identical chromosomes & genes to their parents
(C)
Full number of chromosomes
(D)
A & c

24- In human, the male gametes are:
(A)
Eggs
(B)
Sperms
(C)
Plasmic membrane
(D)
All the above

25- In human, the zygote has:
(A)
20 chromosomes
(B)
22 chromosomes
(C)
46 chromosomes
(D)
Non of the above

26- Sexual reproduction involves:
(A)
3 organisms
(B)
6 organism
(C)
4 organism
(D)
Non of the above

27- In plants, the pollen are transmitted to stigma by:
(A)
Insects
(B)
Wind
(C)
Cell wall
(D)
A & B

28- Ovulation means:
(A)
Production of sperms
(B)
The egg leaves the ovary
(C)
The eggs leave the uterus
(D)
All the above
29- The female has:
(A)
Three ovaries
(B)
One ovary
(C)
Two ovaries
(D)
Non of the above
30- The blood vessels of the uterus supply the embryo with:
(A)
Food
(B)
Oxygen
(C)
Carbon dioxide
(D)
A & B
************************************************** ***************
Second question: Put (T) for true sentence and (F) for false one.(10 marks)
1- Embryo implantation means that the embryo sinks in the uterus lining. (T)

2- Genetics is the study of drugs. (F)

3- Centrosome plays an important role in photosynthesis. (F)

4- Rabies is an example of viral diseases. (T)

5- Fixing nitrogen bacteria are harmful bacteria. (F)

6- Fungi are non-flowering plants. (T)

7- Red blood cells contain hemoglobin. (T)

8- Mitosis happens in sexual reproduction. (F)

9- Sexual reproduction involves 5 organisms. (F)

10- In plants, pollen are transmitted to stigma by insects & wind. (T)
************************************************** ***************
Third question: Complete the following sentences:(10 marks)
1- Female gametes are made in the ovaries.

2- Ovulation means that the egg leaves the ovary.

3- For a particular character, there are 2 genes.

4- Sperms are made in the testis.

5- The sex chromosomes control the sex (boy or a girl)

6- Genotype refers to types of alleles.

7- The fusion of 2 different cells is called fertilization.

8- Heterozygous means that the alleles are different.

9- Breakdown of complex organic compounds is called catabolism.

10- Mineralization of the bone is an example of anabolism.
************************************************** ***************
Fourth question: Give the medical terms of the following: (5 marks)
1- Cells responsible for transmitting of impulses. (Nerve cells)

2- Biological catalysts that speed up biochemical reactions. (Enzymes)
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