[ مختبرات ] : ابي اسئلة جينتك خامس

[ذكرى الرحيل]

السلام عليكم اللي عنده نماذج سابقه لاخر سمستر جيناتك تساعدني حصلت كل المواد الا هالماده

[dodii 8mr]

ابا الاسئله

[دمعةالهتون]

وانا ابيها بعد دووووووووووووورت ماحصلت اوووول يوم علينا

[dodii 8mr]

جبنا العيد
بليز استاذ عبدالله ساعدنا

[ام مرام الجميلة]

[نغمة حنان]

1- Prokaryotic cells contain………………….
a. Primitive nucleus.
b. True nucleus.
c. No cell wall.
d. All of the above are correct.
2- Somatic cells……………
a. Divide by mitosis.
b. Contain 46 chromosomes.
c. Vary in shape size and structure.
d. All of the above are correct.
3- Meiosis………………..
a. Occur in somatic cells.
b. Occur in sex cells.
c. The cells divide and give 2 cells.
d. All of the above are correct.
4- ………… is the structural unit of chromosomes.
a. Nucleosome.
b. Nucleus.
c. Gene.
d. Solenoid.
5- Acrocentric chromosome………………..
a. Have 2 arms identical in length.
b. Have 2 arms unequal in length.
c. Has only one distinguished arm.
d. All of the above are correct.
6- Chromosome 13 is an example of……………….
a. Acrocentric chromosomes.
b. metacentric chromosomes.
c. telocentric chromosomes.
d. None of the above is correct.
7- The female sex chromosomes are…………..
a. XX.
b. XY.
c. YY.
d. XYY.
8- In G banding technique we use…………………..
a. Giemsa.
b. Quinacrine.
c. Fluorescene.
d. None of the above is correct.
9- Active segment of chromatin is named……………………..
a. Euchromatin.
b. Heterochromatin.
c. Gene.
d. All of the above are correct.
10- …………….translate genetic codes on DNA.
a. mRNA.
b. rRNA.
c. tRNA.
d. DNA.
11- The template strand (anti coding strand) is………..
a. Formed of RNA.
b. Carrying information of the genetic code.
c. Is the complementary strand.
d. None of the above is correct.
12- …………….. means flow of genetic information from DNA to RNA and then to protein synthesis.
a. mutation.
b. Genetic code.
c. Gene expression.
d. None of the above is correct.
13- …………….blocks the MRNA transcription.
a. Repressor protein.
b. Inducer.
c. RNA polymerase.
d. All of the above are correct.
14- Initiation, elongation and termination are the stages of………...
a. Polymerase action.
b. DNA transcription.
c. Protein synthesis.
d. DNA replication.
15- …………………..involves the steps to release completed polypeptide chain.
a. Initiation.
b. elongation.
c. termination.
d. All of the above are correct.
16- …………….. means the change in the genetic sequence on DNA.
a. DNA synthesis.
b. Transcription.
c. Transformation.
d. Mutation.
17- Mutant type is the…………………..
a. Visible properties.
b. Genetic factors responsible for visible properties.
c. The organism that carry the altered gene.
d. The organism that carry the normal gene.
18- Abnormal hemoglobin is an example of……………………….
a. Deletion mutation.
b. Null mutation.
c. Multiple alleles.
d. Missense mutation.
19- The hemoglobin C trait patient will show ………….genotype.
a. Hb AC.
b. Hb AA.
c. Hb CC.
d. Hb SS.
20- ………….molecule is added to H-Ag to form B -antigen
a. N-acetyl galactose amine..
b. D- galactose.
c. A and B
d. None of the above is correct.
21- Rh negative person will genotypically be………..
a. DD.
b. dd.
c. Dd.
d. None of the above is correct.
22- The loci D in HLA system are code for.
a. MHC I.
b. MHC II.
c. The ABO system
d. None of the above is correct.
23- Huntington 's disease is an example of……………..
a. Autosomal dominant anomalies.
b. Autosomal recessive anomalies.
c. X linked anomalies.
d. None of the above is correct.
24- The structural rearrangement of one chromosome is named………….
a. Monosomy.
b. triosomy.
c. Polyploidy.
d. Chromosomal aberration.
25- The genotype of Klienfilter syndrome is……….
a. 47XXY.
b. 45X.
c. Trisomy 21.
d. Trisomy 8.
26- Triple X female will have the genotype of……
a. 47XXX.
b. 45X.
c. Trisomy 21.
d. Trisomy 8.
27- ……………….is made of DNA and proteins.
a. nucleoli.
b. Nuclear chromatin.
c. mitochondria.
d. Nuclear membrane.
28- Mitosis………………..
a. Occur in somatic cells.
b. Occur in sex cells.
c. The cell divide and give 4 cells.
d. All of the above are correct.
29- Group of nucleosomes is a …………..
a. chromosome.
b. nucleus.
c. gene.
d. Solenoid
30- telocentric chromosome………………..
a. Have 2 arms identical in length.
b. Have 2 arms unequal in length.
c. Has only one distinguished arm.
d. All of the above are correct.
1- Eukaryotic cells contain………………….
a. Primitive nucleus.
b. True nucleus.
c. No cell wall.
d. All of the above are correct.
31- Mitosis………………..
a. Occur in somatic cells.
b. Occur in sex cells.
c. The cell divides and gives 4 cells.
d. All of the above are correct.
32- Chromosomes………..
a. contain RNA fibers.
b. contain three arms.
c. Carry genes.
d. All of the above are correct.
33- ……..is the peace of chromosomes that carry a particular trait.
a. Nucleosome.
b. Nucleus.
c. Gene.
d. Solenoid.
34- The beaded appearance in the chromosomes is due to presence of………………..
a. nucleosome.
b. chromatin.
c. Histone proteins
d. All of the above are correct.
35- Metacentric chromosome………………..
a. Have 2 arms identical in length.
b. Have 2 arms unequal in length.
c. Has only one distinguished arm.
d. All of the above are correct.
36- Chromosome 5 is an example of……………….
a. Acrocentric chromosomes.
b. metacentric chromosomes.
c. telocentric chromosomes.
d. None of the above is correct.
37- Normally the Somatic cells contain ……………
a. 46 chromosomes.
b. 23 chromosomes.
c. 22 sex chromosomes.
d. No chromosomes.
38- The ova carry…………….
a. 22X chromosomes.
b. 22Y chromosomes.
c. 22XY chromosomes
d. 22XX chromosomes.
39- Chromosomes are paired and arranged by……………
a. Banding.
b. Size.
c. Shape.
d. All of the above are correct.
40- The relation between the sequence of DNA and the sequence of corresponding protein is called……………..
a. mutation.
b. Genetic code.
c. nucleosome.
d. Chromatin.
41- MRNA carry the same sequence as the ………………..
a. Complementary strand.
b. Template strand.
c. rRNA.
d. All of the above are correct.
42- There are 64 different types of …………………
a. tRNA.
b. DNA.
c. rRNA.
d. mRNA.
43- …………….are enzymes sharing in the MRNA transcription.
a. Repressor protein.
b. Inducer.
c. RNA polymerase.
d. All of the above are correct.
44- ………….. is the site on DNA on which RNA polymerase binds
a. Promoter.
b. Nucleosome.
c. Gene.
d. Operator.
45- …………………..involves the decoding of all MRNA till the last codon.
a. Initiation.
b. elongation.
c. termination.
d. All of the above are correct.
46- Genotype is the…………………..
a. Visible properties.
b. Genetic factors responsible for visible properties.
c. The organism that carry the altered gene.
d. The organism that carry the normal gene.
47- Phenyl kotonuria is an example of……………………….
a. Deletion mutation.
b. Null mutation.
c. Nonsense mutation.
d. Missense mutation.
48- The Sickle cell anemia patient will show ………….genotype.
a. Hb AC.
b. Hb AA.
c. Hb SS.
d. Hb AS.
49- The gene locus that control the blood group (ABO) IS located on chromosome………….
a. 1.
b. 2.
c. 9.
d. 7.
50- …………….molecule is added to H-Ag to form O -antigen
a. N-acetyl galactose amine..
b. D- galactose.
c. A and B
d. None of the above is correct.
51- The most important genetic factor in tissue typing is………
a. ABO system.
b. RH factor
c. HLA system.
d. None of the above is correct.
52- Albinism disease is an example of……………..
a. Autosomal dominant anomalies.
b. Autosomal recessive anomalies.
c. X linked anomalies.
d. None of the above is correct.
53- The missing of one chromosome is named………….
a. Monosomy.
b. triosomy.
c. Polyploidy.
d. Chromosomal aberration.
54- The genotype of Turner's syndrome is………………….
a. 47XXY.
b. 45X.
c. Trisomy 21.
d. Trisomy 8.
55- The genotype of Patau's syndrome is………………….
a. 47XXY.
b. Trisomy 13.
c. Trisomy 21.
d. Trisomy 8.
56- ……………….is made of DNA and proteins.
a. nucleoli.
b. Nuclear chromatin.
c. mitochondria.
d. Nuclear membrane.
57- The genotype of Klienfilter syndrome is……….
a. 47XXY.
b. 45X.
c. Trisomy 21.
d. Trisomy 8.
58- Group of nucleosomes is a …………..
a. chromosome.
b. nucleus.
c. gene.
d. Solenoid
59- telocentric chromosome………………..
a. Have 2 arms identical in length.
b. Have 2 arms unequal in length.
c. Has only one distinguished arm.

All of the above are correct

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