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هـ1442 من ذى القعدة18 - 2021 يونيو28 االثنني3681 العدد
Monday - 28 June 2021 - Issue NO 3681
:إعداد خالد حسنى.د خبير األحياء لغات باملدارس الدولية
ملف خاص
شيماء سمير:إشراف
املراجعة النهائية لطالب الثانوية العامة فى األحياء لغات bSperm y cSperm x or y dSperm xx -Radiation is a method that is used from 1923 since this method can aDamage of nucleus of ovum bDuplicates number of chromosomes cBoth a and b dNo correct answer
- From the following data explains the speed of stimulus so examine then answer STIMULUS SPEED TIME OF EFFECT RESPONSE A Fast Fast vanishes after short period of timer B Needs more Slow Remains for long period of time or time may be permanent A- Which stimulus indicates hormonal stimulus a- A b-B c-both d- no one of them b- Which stimulus indicates the nervous stimulus a- A b- B c-Both d- no one of them c- At stimulus B is slow one because a- It is an nervous impulses transmitted by action of ions b- It is non-nervous stimulus transmitted by plasma to target site c- It is not considered as impulses. d- No correct answer -Examine the following data that explains amount of ATp produced through 30 mins for three Deers in race its time is 40 mins measuring :Deer After 10 min After 20 min After 30 min A 38ATP/glucose 38 ATP /glucose 38ATP/glucose B 38ATp 2ATP Zero ATP c 38 ATP 2ATP 38ATP a- Which deer stop and doesn't complete trace a- A b-B c-C d-both a and c b- Which deer suffers from muscle spasm that may lead to bleeding a- A b-B c-C d-All of them c- Which deer respire aerobically in all time of race . A-A b-B c-C d-All of them d- Animal deer c may be exposed to accumulation of lactic acids a- This statement is true b- This statement is false f- What is cause of muscle Spasm for deer ? a- Shortage of ATP b- Shortage of Cholinesterases enzyme c- Arrival of false nerve impulse e- All of them - Spasm in smooth muscle can be described as a- Permanent b- Temporary goes and back c- No fatigue as whole d- Similar to skeletal muscle - Only head without neck of sperm enters ovum a- Formation of zygote b- fertilization only c- no cell division 1
d- all of them - Examine the following results that indicates the concentration of GH hormone Person Concentration Age A 1.9 N (1.2 – 3.8) 47 B 0.8 N ( 3.8-5.2) 8 C 6.9 N ( 1.2-3.5) 32 a- Who person from above indicates normal state without problems ? a- A b-B c-C d- All of them b- Who person from above indicates Acromegaly state ? a- A b-B c-C d- all of them c- Who person from above has gigantism? a- A b-B c-c d- no one of them d- Who person from above has dwarfism ? a- A b-B c-C d- no one of them - Which hormone affect on male secondary characters indirect ? a- LH b-FSH c-Both d- no one of them - Which hormone affect on fertility of male a- FSH b-LH c- prolactin d- all of them -What is source of first mitochondria embryo receives it ? a-Ovum of mother b-Sperm neck c-Sperm mide piece d-Sperm tail -Which organelles do you expect its presence in acrosomes ? aEndoplasmic reticulum bGolgi body cMitochondria dRiosmes What is difference between 1ry germ cells and 1ry spermatocyte? aSize bNumber of chromsomes cType of chromosomes dAll of them The sperm is considered as aCircular shape bTadepole shape cOval dRectangular In order to produce more production of meat we should fertilize ovum with aSperm x
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-What will happen if morula separation into two halves but not completed ? A- formation of fraternal siamese twines . BFromation of identical siamese twines CFromation of fraternal twines ony D- Fromation of identical siamese twines - The occurrence of the sexual reproduction is always associated with a- The presence of gametes b- The presence of two different individuals in sex c- The occurrence of the genetic variation d- Formation of zygote - Meiosis is taken place in all of the following living organisms except a- Ookinete b- Zygospore c- formation of gametes in gametophyte d- Sporangia of the sporophyte - The infected phase for each female Anopholes and human is similar in a- The site of its presence b- The site of its formation c- The way of its formation d- Its chromosomal number - In which mother cell vanished after their division , except a- Paramecium b- Yeast fungus c- Amoeba d- Bacteria -After isolation group of antibodies from certain person we found that each group of antibody has special variable regions this refers to a- Body of this person has been infected by different agents of microbes b- This person is injected with vaccine c- Due to presence of only one microbe in his body d- Presence of different macrophage 3
-B-plasma cell is characterized by a- Rich in endoplasmic reticulum b- Produced from division of t-cells c- Has little amount of cytoplasm d- Share in secretion of globulin of interferon -Which of the following is considered main lymphoid organs a- Bone marrow and thymus gland b- Spleen and lymph nodes c- Tonsils and payer’s patches d- Lymphocytes B and T cells -white blood cells that are multilobed a- Stem lymphoid cells b- B-plasma cells c- one of Cells that attack bacterial infection and inflammation d- macrophages -Which of the following lymphoid organs that doesn’t covered with capsule or membrane is ? a- thymus gland b- spleen c- lymph nodes d- payers patches -What is similarity between plasma membrane in plant and plasma membrane of human ? a- both are living tissue b- both contain phospholipids c- both contain receptors d- all the previous
bLess than double 300 cEquals 300 dLess than 300 -First amino acid is formed in hemoglobin proteins is ? aArgninie bLysine cMethioninie dNo correct answer -First anticode in the protein synthesis is aAUG bUAC cCCA dGGH -What is number of nucleotides are located on single strand of DNA needed to form 300 amino acids ? a300 b303 c306 dNo one of them - What is name of part that form integral part of P site in large ribosomal subunite? aReverse transcriptase enzyme bPeptidyl transferase enzyme cPolymerase dligase - What is least number of tRNA that is needed to form 300 amino of 15 types ? a61 b63 c64 d15 -What will happen if there in no TAC at the starting sequence information for protein synthesis ? aNo formation of protein bFormation without methionine cFormation with methionine dFormation deformed protein -What is similarity between structural protein and regulatory protein ? aIn function bIn method of formation cIn first amino acids form them dboth b and c 5
-Which indicates that cell needs large quantity from histone protein ? aPresence of polysome bPresence of thousands copies of genes cPresence of polyadenine tail dBoth a and b Which of the following indicates the occurrence of fatigue in one of skeletal muscles? • The rapid consumption of glycogen stored in the muscle. • Decrease the consumption of glucose exists in the blood that supplies the muscle. • The rapid oxidation of lactic acid accumulated in the muscle. • Increase the amount of ( ATP ) formed inside the muscle . Study the graph that illustrates the strength of two types of support in plants, A and B then conclude . What is the difference between the two supports (A) and (B)? • The support (A) deals with the cell wall. • The support (A) acquires hardness and protection to the cells. • The support (A) is temporary and the support (B) is permanent. • The support (A) depends on deposition of new materials on the cell wall, while the support (B) depends on the presence of water in the sap vacuole -What is the difference between scalariform conjugation in spirogyra and reproduction in bony fish? • Type of reproduction. • Surrounding conditions. • The number of individuals sharing in it. • Formation of zygote. -What is longest duration between two successive divisions in the following cells in human? • Secondary oocyte, mature ovum. • Primary germ cell, oogonia. • Primary oocyte, secondary oocyte. • Oogonia, Primary oocyte. - Which of the following confirms the type of twins inside the mother uterus in the fourth month of pregnancy? • The placenta. • Sex of embryo. • Similarity in traits. 6
- MHC protein is located on a- Multinucleated cells and monocytes b- B-plasma cells and TH c- Monocytes and TH d- Macrophage and B-lymphocytes - Which step is carried out after activation of complements ? a- Microbes attacks body b- Presenting microbes c- Reproduction of microbes d- Engulfment of microbes components Examine the following figure then answer -The number of nucleotides are located on mRNA for making protein synthesis is 300 so the number of nucleotides on DNA strands where it is transcript ? aMore than double 300
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The embryonic sac. - A woman had a sterilizing surgical operation that done by ligation of the two Fallopian tubes, and after a period of time she could deliver a child.How could this be explained? • Capability of re-opening Fallopian tubes. • Depending on re-nucleation. • Occurring the pregnancy naturally. • Using test-tube babies technique . pregnant woman in her second month of pregnancy (in twins) performed TV rays (sonar)to know the sex of embryo, the doctor told her that the embryos are two boys. according to that determine: What is the reason that make this woman pregnant in this twins? • Cleavage (division)of ovum fertilized by two sperms. • Cleavage (division)of ovum fertilized by one sperm. • Liberation of two ova and their fertilization by two sperms that are different in sex chromosomes. • Liberation of one ovum and its fertilization by two sperms that are similar in sex chromosomes. When valine amino acids combines with glycine this will form ? aHydrogen bonds between amino acids by dehydration enzymes bPeptide bonds between amino acids by condensation enzymes cPeptide bonds between amino acids by hydrolysis enzymes dNo correct answer The sequence on DNA is TAC on DNA so the amino acid will be aGlycine bMethionine cLysine dNo correct answer The number of amino alkyl acids that enters in building structure of protein is a40 b70 c20 d19 when there is no protein synthesis this leads to aTwo ribosomal subunits became freely and during formation of new protein may each one of them combine with another one bTwo ribosomal subunits became freely and during formation of new lipid may each one of them combine with another one cBoth a and b are false dBoth a and b are true 7
-Lysine genetic material on DNA is GUG so the genetic information for same amino acids in another genes is aSame or different type of nitrogenous bases bsame only cSame number of nucleotides dAll the previous -Human genome participates aMedical drugs bImprovement of generation cFacial lines drawing dAll the previous -Types of codons on mRNA (2x -3) so the number of amino acids present on mRNA a2x-1 bX+3 c2x-4 d2x+3 -Insertion of growth hormone genes into mice then left for a period then allow it to make mating and produces individual . aDouble size than parent after injection bDouble size than parent before injection cSame size of baby before injection dNo correct answer -Polypeptide consists of 12 amino acids so the maximum number for codons on mRNA is a12 b14 c13 d11 -Translation process taken place in aNucleus bMitochondria cCytoplasm dCytosol -Function of reverse transcriptase enzymes aFormation of single DNA strand from mRNA bFormation of double strand DNA from mRNA cFormation of double strand rRNA from mRNA dFormation of strand DNA from tRNA
Represents code for amino acid a- ccc bUGA cUAA dATC Codon for certain amino acids aUAA bTAC cAUG dATC Anticode for certain amino acids aTAC bAUG cATC dAll the previous Examine the following figure then answer Genetic information for code X on DNA is aGAG bCAC cTAC dCTC Amino acids that is present at Y aValine bSerine cArginine dMethionine - The differene between zygote of hunman and zygote of spirogyra in a- type of division b- method of formation c- both a and b d- no correct answer - What will happen of sperm reach to ovum ? a- occurrence of meiosis 2 b- occurrence of meiosis 1 c- no division d- no correct answer
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