OPTIMUM CRYPTO

Math - unit -1 = Further on relation 1_ If A={1,2,3,4,5) and R is a relation from A to A such that R={(x,y): y=x² Then what is the range of R? A. {1,2 } C.{2,1} B. {1,4 }. D.{3,5} 2_If point P(3,-2) satisfies the relation R-¹.Which of the following could be R? A. R={(x,y):2x-y = 8 B.R={(x,y):2x-y = -7 C. R={(x,y): x+3y=-3 D R={(x,y):2x+2y =2 3.Which one of the following relation is a function ? A R={f : A----->B where A={1,3,5 } & B {2,4} B.R={(x,y) where x&Y are an element of rational nō | y=x² C. R= {(a,b),(a,c),(b,c)} D. Abebe is the father of Tolossa , Chaltu and kebede 4.Which one of the following is an odd function ? A: f: R --------> f(x)= |x|-x B. f: R --------> f(x)= -x³ +x² C. f: R --------> f(x)= x³ + 2x D.f: R --------> f(x)= |x|(x²) 5. Which one of the following power function satisfy the condition f(xy)= f(x)×f(y) A .x²+ 4x B. x⁴ C. 3x³ +√x D. 7x¾ 6. Which of the following modules function correctly evaluated? A. | 1 -π | = π-1 B. |x -1| =x +1 C.| x -y| = x-y ,xB Where A=(1,2,3) and B =(a,b ) ,is one to one correspondence function. B.f:R ------->(-∞,∞) given by f(x)= -x³ is one to one function. C. f:R ------->(-∞,∞) given by f(x)= sgn(x²) is on to function. D. f : R--------> (-∞,∞) given by f(x) =x² is one to one correspondence function 8. Find f(x), if g(x) =x-1 and fog(x) = 4x² - 4x +1 A. f(x)= x² +4x B. f(x)=x² -1 C. f(x)= x² D. f(x)= x³+4x © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Antonyms 1. Agitation A. upset B. Disquiet C. Uneasiness D. Calm D Agitation : the state of being moved with violence, or with irregular action; commotion e.g Qero's agitation was terminated by federal police. Antonyms : ) Peaceful, calm, quiet, especially free from anger and anxiety. (of a place or situation) Free of noise and disturbance. 2. Anonymous A. Onymous B. Unknown C. Nameless D. Synonyms A Anonymous : (lacking a name) nameless (without acknowledged responsible agent) (of unknown name) unidentified, unknown, unnamed (lacking individuality) faceless (without consideration of prestige or background) on the merits E.g An anonymous author wrote the story Antonym : Onymous 3. Optimistic A. Hopeless B. Desprate C. Optimum D. Pesmistic D ....memory of English lesson 4. Desire A. Want B. Loathe C. Deserve D. Require B Desire : want; wish for earnestly. put a request to (someone); entreat .express a wish for; require; claim ,deserve Antonyms : disgust , loath ,hate 5. Pliant A. Intractable B. Teachable C. Managsble D. Feasible A Pliant : managed; docile; manageable; governable. Capable of being shaped; malleable. (obsolete) Capable of being handled or touched; palpable; practicable; feasible; serviceable. Antonyms : intractable 6. Persuade A. Convince B. Dissuade C. Believe D. Trusted B. Persuade :urge, plead; to try to convince (someone to do something). Antonyms : Dissuade 7. Depress A. Oppress B. Slug C. Excite D. Relax D Depress : to make sad or bored.,excite e.g Winter depressed me. Antonym : relax 8. Fluctuate A. Waver B. Seesaw C. Remain unchanged D. Oscillate C Fluctuate : To vary irregularly; to swing, wave, seesaw, Oscillate Antonyms : remain unchanged 9. Aggravate A. Intensify B. Exaggerate C. Decrease D. Irritate C Aggravate : synonyms heighten, intensify, increase, magnify, exaggerate, provoke, irritate, exasperate The need of man force aggravated the slave trade. 10. Casual A. Fortuitous B. Formal C. Incidental D. Occasional B Casual : Happening by chance. Coming without regularity; occasional or incidental. Antonyms : scheduled , formal ❗️ Evaluation - Synonymous and antonyms More than 15 - nice job👍 © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Sat Synonyms 1. international A. narrow B. Provincial C.Global D.unsophisticated Answer:C International: having to do with more than one nation.( global,cosmopolitan) eg. International banks antonyms : narrow : unsophisticated : provincial 2. irregular A. By chance B.planned C. Deliberate D. Systematic Answer:A Irregular : by chance, not standard , He got the answer by irregular way . Antonyms: planned,deliberate, systematic 3. Excess A.paucity B. Shortage C.dearth D. Surplus Answer:D Excess : The degree or amount by which one thing or number exceeds another E.g There was an excess amount of sugar in the coffee. I couldn't have one cup of it. Antonyms : paucity ,dearth ,shortage, scarcity ,paucity 4. eat away A.nurture B.promote C .encourage D.corrode Answer:D Eat away : Gradually to erode or corrode. The river is eating away the river banks. Antonyms: nurture : promote , encourage 5.prior A.primary B. Last C. Hindmost D. Secondary Answetr:A Priority : An item's relative importance, primary Eg. We have to give prior acknowledgement to Abebe. He supported us the whole time Antonyms : hindmost ,last , secondary 6. Amis A. Perfect B. Proper C. Mistaken D. Right way Answer:C Due to the fact that he sorted the books amiss way ,the bibliophile was bored in finding books 7. Disorder A. Sort B. Chaos C. Sequence D. Arrangement Answer:B Disorder : ( plural disorders) Absence of order; state of not being arranged in an orderly manner, chaos. 8. Strange A. Usual B. Routine C. Odd D. Expected Answer:C Strange : Not normal; odd, unusual, surprising, out of the ordinary ,Unfamiliar, not yet part of one's experience. e.g The mafias easily differentiate strange guy by looking the stranger's walking style. Antonyms :everyday, normal, regular (especially US), standard, usual, unsurprising, routine : familiar, known, expected 9. Legacy A. New B. Heritage C. Usable D. War Answer:B Legacy : Something inherited from a predecessor; a heritage Axum obelisk is one of the great legacy of Axumite state . 10. Dull A. Flat B. Energetic C. Vigorous D. Lively Answer : A Dull : Not bright or intelligent; stupid; slow of understanding ,flat,,Boring; not exciting or interesting) e.g The film was too dull to watch . Antonyms : bright , lively ,energetic ,vigorous, sharp , bright © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

History Grade 11-unit 1 1. Which one of the following NOT true about Ethiopia studies? A. It was started by American named Job Ludolf B. Aleqa Taye and Aleqa Asme Giyorgis were Church historians C. The first modern history of the country was published in 1684 D. The establishment of Haile Selassie I University College was a turning point in its development 2. Which of the following best explains the term Historiography? A. The study of history and science B. The study of the history of a nature C. The study of the writing of history D. The study of the history of human species 3. What is Hagiography? A. A piece of travel literuature B. A piece of writing about hygiene C. An account of the daily activities of a monharch D. A writing about the life and miracles of a saint 4,Any information about the past can qualify as history when it is A. Written by a professional historian B. Written by a mature historian C. Supported by primary sources D. Supported by evidence 5. Which of the following can be said to be a weakness of Ethiopian historiography? A. It exhibits a gender bias in favor of men. B. It is too radical and revolutionary C. It focuses on the culture rather than on the politics of the past D. It glorifies foreigners rather than Ethiopians © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Answer for Chemistry grade 12 1.C Alloys like brass are a solid solid solution Blood , milk ,concrete ,oil and water are mixture 2.B. Pure substances have a fixed position. 3.D Ion dipole force - Nacl 4. C 5.D The increasing order of lattice is followed as RbCl , KCl , NaCl , LiCl as lattice energy increase solubility in water will decrease . 6.A increasing temperature decreases solubility solute because the gaseous molecules already are far apart enough. 7. B 8. C 20×400/100 = 80gram 9.D n=given mass/molar mass M= n/V 10.C No atoms = mole of cpd× subscribe of the element× 6.02×10²³ 11.A = 0.4N×0.5×110/2 =11 g 12. A . N=M×n n- nō of ionization N= 0.25×3 Evaluation ከ 10 በታች ያመጣችሁ ደግማችሁ አንብቡ ከ 10 በላይ በጣም አሪፍ © All rightd reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Chemistry Grade - 12 1. Which of the following is a solution ? A. Blood B. Milk C. Alloys D. Concrete 2. Which of the following has a fixed position? A. Amalgram B. Sulphur C. Brass D. Ethanol in water 3. Which solute - solvent interaction is mismatched with its example? A. Hydrogen bond - sugar in water B. London force - Iodine in benzene C. Hydrogen bond - Ammonia in water D. London force - NaCl in water 4. What is the hydration step in a solution of NaCl with water ? A. Heating up of NaCl B. Boiling of Water C. The surrounding of boiled water to heated NaCl D. The final homogeneous mixture of water and NaCl 5. Choose the right increasing order of solobility of the following ionic compound ? A. NaCl,LiCl , KCl , RbCl B. RbCl , KCl , NaCl , LiCl C. NaCl, KCl , LiCl , RbCl D. LiCl, NaCl , KCl , RbCl 6. Which one of the following statement is incorrect about solubility of solute ? A. For gaseous solute ,increasing temprate increases solubility solute. B. Pressure has no effect on solubility of solids. C. The solubility of gas increase as pressure on the gas increase. D. The solubility of most solid is increases by increasing temperature . 7.__________ contains more solute than the saturation amount A. Saturated solution B. Super saturated solution C. Un saturated solution D. Diluted solution 8. An alloy of brass is made up of 80 % copper and 20%zinc solution. What is the mass of zinc in 400g of brass solution ? A.320 gram B.160 gram C. 80 gram D. 40 gram 9. How much litter of 0.5M hairdo caloric acid contains 9 gram of HCl ? A. 500 ml B. 750 ml C. 250 ml D. 100ml 10. Which compound has the highest number oxygen ? A. 0.5 mole of CO B. 0.25 mole CO2 C. 0.5 mole CaCO3 D. 1 mole of H20 11. How many gram of 0.4N CaCl2 is needed to prepare 500ml of it ? N=given mass× nō of ionization/molar mass × Volume given mass =N× molar mass×volume/no ionization A 11g B 110 gram C. 22 gram D.0.55 gram 12. Calculate the Normality of 0.25 M Na3PO4 ? A. 0.75 B. 0.5 C.0.125 D. 0.25 © All rightd reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Answer gor chemistry exam 1.C 2.D 3.Mole Oxygen =subscribt of Oxygen × No of mole of CaCO3 = 3×2 =6 4.B n =given mass /molar mass n = 68g/17 g/mol = 4 mol no of ions = 4×(6.02×10²³) 5.D Amount of substance is measured by the unit ''mole". This It is Basic quantity. Area,volume, density ,force ,pressure, work ,speed & concentration are drived quantities. 6. B 7.D 9.Answer : B Remember the "five" removal digit rounding,in a such instant If the no before '5' is odd it will increase by one e.g 76.35 when we round this to 3 significant figure it will be 76.4 But if the no before '5' is even , the no '5' will be removed but the preceding no have no change 76.45 ▶round to 3 significant figure ▶76.4 10. C © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Chemistry Grade 11 1. which one of the following is an intensive propertie ? A.Volume B. Area C. Density D.mass 2._________focus on quantitative determination & qualitative determination of matter A.Biochemistry. C.Inorganic chemistry B.physical Chemistry D.Analytical chemistry 3.How money oxygen moles are there in 2 mole of CaCO3 ? A. 6 B.2 C. 3 D.0.15 4.How money ions are present in 68 gram of OH- ? A. 1.5 ×10²³ C. 3.01×10²³ B 2.4×10²⁴ D. 1.5 ×10²⁴ 5.Which one is ode ? A. Concentration B.Density C.Force D.Amount of substance 6. A 5.0 ml solution was given to Student-A.While the student was measuring the volume of the solution he got 4.9 ml due to the absence 0 on measuring cylinder.What type of error fluctuates the truth value? A.observational error B.Instrumental error C.Environmental error D.variability in the item measured 7. How many significant figures are there in 1.0200 ? A.two significant figures B. three significant figures C.four significant figures D.five significant figures 8.How many significant figures present in 75,000? A. 2 B.5 C. 3 D. Ambiguous 9.round 2.85 to two significant figures, A. 2.9 B. 2.8 C. 2.90 D. 3.0 10. Round ' 6.795' to one decimal point & three significant figures respectively. A. 6.8 & 6.79 B. 6.78 & 7.00 C. 6.8 & 6.80 D. 6.8 & 7.00 © All rightd reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Answer for Biology 1. Answer : C •drawing hypothesis is not a purpose of scientific method rather that it is a step of scientific experiment. 2.C √ prediction: An educated guess in which the biologists thinks his or her experiment turn out ! √ hypothesis: An educated guess in which the biologists thinks his or her experiment will be.It can be tested by experiment. 3. Answer A Accuracy: how correctly something has been measured Validity : if is a measuring what is expected to be measured or not! Reliability: a measur of how tested value is dependable on true value. 4.Answer D Transect line are field tool of biologist 5.Answer D √scanning electron microscope show only the surface of an object 6.C 7.C HIV is retrovirus that converts its RNA to DNA in host cell. 8.D flow metere is used in field to measure the flow of water 9.Answer B Ornithologist :study about bird Entomologist : study about insects Cytologist - study about cell Parasitologist - study about parasit 10. : C In writing reports of scientific experiment you should have to follow the following procedure Title ---->hypothesis---->procedure ---->result ---->conclusion ---->Acknowledgement 11.Answer A Independent variables are factor on which they are applied and avoided by turn . Choice B,C &D are controlled variable in w/c the experiment keep them in constant 12.Answer : C Potter - sucks & collect small organisms from tree leaf Funnel is used for collecting insects from the soil 13.Answer : C peasants have used selective breeding of animal for gain. 14. D 15. C 16.Answer : A Burette is glass tube with fine gradations and a stopcock at the bottom, used in laboratory procedures for accurate fluid dispensing and titration. 17.Answer : A The circumcision of males decrease the chance of HIV transmission from female to male by reducing friction during sexual inter course. 18 .Answer B. 19. Answer : D 20.Answer B Choice A,C& D are different from A because they are modern features of biotechnology. © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

11.A research was done on Grade 11 natural students in order to know the effect of having a cup of coffee before reading. It was held on certain village to keep the temperature the same. What is the independent variable of this expertiment ? A. Having a coffee. C .The no of cups B.village's temperature D. The no of books they read 12. Which one of the followingtool is mismatched with is purpose? A.pit fall trap - collect insects crawl on the ground B.sweep nets - collect insects from long grass C.Funnel - collect small organisms from tree leaf D.Data loggert : for recording information 13 .one of the following is true about traditional application of biotechnology. Which one ? A.Yeats are used in Yoghurt & cheese production B.Bacterias are used backing of injera & bread C.selective breading are important in improving a yeild on animal product D.Viruses sometimes have a role in biotechnology. 14.Which one of the following is not a scope of biology ? A.morphology. C.Astrobiology B.Taxonomy D.Kinematics 15.Petri dish is filled with solid nutrients called _ A.Urea B.DAP C.agar D.micro propagator 16.which of the following equipment is used to measure volume of liquid during titration ? A. Burette B.pipette C.measuring cylinder D .syringe 17.How does circumcision of male reduce the transmission of HIV/AIDS during sexual inter course? A.It decreases the probability of transmission of the viruses to males. B.It reduce the risk of HIV transmission to female C.because circumcision of males prevent HIV/AIDS D. circumcision of males doesn't have any effect in fighting spread of HIV/AIDS. 18.What is your responsibility as a student in fighting against HIV/AIDS ? A.Be faithful to one sexual partner B.Abstain from sexual activity C. Use condoms D. Avoid talking with opposite sex 19.which one the following in used to separate plant and animal cell in laboratory? A.ultra centrifuge. C.scissors B.Dissecting kit D.Transects line 20.One of the following is different from the other A.cures for genetic disease B.making cheese & Yoghurt C.Cloning D.insulin production © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Biology-Grade 11 - Unit 1 1.One of the following is not the function of scientific method.Which one ? A.solving problems B.formulating laws & theories C.drawing hypothesis D.discovering facts and principles 2. What is the main d/CE b/n prediction & hypothesis in scientific method? A.prediction is bias B.both hypothesis & prediction are educated guess.However hypothesis can be tested by experiment. C.both hypothesis & prediction are educated guess.However prediction must be tested by experiment. D.The therm' hypothesis' is only used in scientific method but not prediction 3. Which terminology refers to how correctly something has been measured? A. Accuracy C.validity B. Reliability D.title 4.The following materials are in group of dissecting tool except A.Scissors B.mounting needles C.magnifying glass D.Transcet line 5.which of of the following is not true about electron microscope A.In transition electron microscope image is focused in fluorescent screen B In scanning electron microscope image is viewed on TV like screen C Transition electron microscope show fine detail of the cell D scanning electron microscope show the inner part of an object 6.A medical profession who studies about the morphology, physiology of nerves system is called A.Radiographer. C.Neurologist B.Entomologist D.Taxonomist 7.what type of virus HIV is? A.RNA virus. C.Retrovirus B.DNA virus. D.killer virus 8.The following biogists' equipments are used in laboratory except A.balances C.Petri dishs B.centrifuges D.flow meters 9._________ involved in the study of insects? A.Ornithologist C.cytologist B.Entomologist D.parasitologist 10.In writing reports on scientific experiment the priority step is given for_________,. A.observation B.hypothesis C.Title D.Procedure © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Answer For Types of paragraph 1.D. This text is normally expressing Malaria. (I.e) expressing something or someone is characteristics of Expository essay 2.C The essay is telling story about NF. so Story telling kind of text is Narrative . 3.A The text creates an image in our mind 4.B The essay is trying to persuade you to study at night. 5.D ( no explanation needed ) 6.D ....a reporting facts is the function of expository paragraph 7.C ( no explanation needed ) 8.D A - expository B - expository C - descriptive D - Argumentative 9.C A- expository B - descriptive C - narrative D- Argumentative 10. D ( no explanation needed ) 11. A ( no explanation needed ) 12.C( no explanation needed ) This text is hybrid type of descriptive and Narrative essay. But It visualise more than it narrates. 13.A This text is hybrid type of descriptive and Narrative essay. But It visualise more than it narrates. 14. C ( no explanation needed ) 15. D ( no explanation needed ) © All rights reserved 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

📒 English Types of paragraph 1. "Malaria is a serious illness caused by parasite which is spread by Anopheles mosquito." The statement is likely taken from beginning of a/an _text . A. Descriptive B. Argumenttative C. Narrative D. Expository 2.Nathan John Feuerstein was born in Gladwin, Michigan , on March 30, [3][4] 1991. [5] His parents divorced, and he was raised by his mother until his father had to take him away when her boyfriend abused him. The statement is likely taken from beginning of a/an _text . A. Descriptive B. Argumentative C. Narrative D. Expository 3. Kebede's ambassador made kebede look dope.It fits with his wide armed chest.The statement is likely taken from a/an _text . A. Descriptive B. Argumenttative C. Narrative D. Expository 4.You have to study at night because sleeping after studying can consolidate information and improve recall.The statement is likely taken from a/an _text . A. Descriptive B. Argumenttative C. Narrative D. Expository 5. Mechanics is the branch of physics that deals with the action of forces on material objects with mass. The statement is likely taken from a/an _text . A. Descriptive B. Argumenttative C. Narrative D. Expository 6. During 2004 , an estimated 59 million people died around the world according to the world health organization.The statement is likely taken from a/an _text . A. Descriptive B. Argumenttative C. Narrative D. Expository 7. Which one of the following best illustrates a sentence taken from descriptive piece of writing. A.The school has 34 classes. B. This school is the best educational center in our city. C. Each and every class of the school is painted with attractive colours. D. The school was established as the emperor come to power. 8. Which one the following is taken from argumentative text ? A. Coffee has an addictive compound in it called caffeine . B. The origin of coffee is Ethiopia C. Prepared coffee has a black color and froth a foam when you pour it in a cup. D. I suggest you to drink coffee when you feel asleep, cause it makes you spry. 9.Which one of the following best illustrates a sentence taken from narrative piece of writing? A. Some servants get money by performing house hold tasks. B. The servant always wear a blue dress and gauze over her hair C. While she was cleaning the room she got a lot of birr in a wallet,then she hid it by her gauze. D. Don't employe servant ,it makes your life luxure. Even if they perform some task they are not honest. 10. Which one of the following best illustrates a sentence taken from expository piece of writing? A. AU stands for African Union. B. The African union flag has Green background and African map of sun shining emblem with white color . C. The tour of African Union makes an interesting bombardment of electric light. D. Au was established as organization of African Union. Then by 2002 it was launched as African Union. 11. A single paragraph have_______, A. One major idea B. Several important ideas C. Two or more opinion D. Opinion of writer 12. After he entered to the jungle, Everything was changed. He was beleaguered by herd of a lion. This text is likely taken from ____ essay. A. Descriptive B. Argumenttative C. Narrative D. Expository 13. Calm before the Strom! Qerro's agitation started again. A lot of school center,hospitals and private buildings have been damaged in a single night. The roads of the city was barricaded by thrown stone.This text is likely taken from ____ essay. A. Descriptive B. Argumenttative C. Narrative D. Expository 14. I left the office about 5: 30 and after a quick shower and change of clothes I went straight out to a party given by an aid worker who lives nearby. What kind of text is this ? A. Descriptive B. Argumenttative C. Narrative D. Expository 15. Which of the following text best illustrates descriptive text A. I have touch screen mobile. B. Ferguson used to chew bubble gum. C. It disgusts seeing him when he eat Burger. D. She wore red dress with high heels. 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

Answer for physics unit 1 - Grade -11 1.A Because of presentation of zero before decimal point there is only 2 significant figures But 1.0042 has 5 significant figures. 2. D The more digits after decimal point ,the more precision in measurement. 3. D Check significant figures rules in detail 4.B. % uncertainty = uncertainty/measured value × 100 = 2/20 × 100 = 10% 5.C Systematic error is characterized by making the measurement either too high or too low. Can be fixed by redesigning the measuring instrument or by taking instrument properly. 6. B Random error reduced by taking repeated measurement. 7.B 13.7 - 9.12 = 4.58 13.7 has the least number of decimal place which is one.So round 4.58 to one decimal place 4.58 ▶1 decimal point ▶4.6 8. D 103.6 × 7.0053 = 14.78880276 103.6 ----- 4 significant figure 7.0053 ---- 5 significant figures So round 14.78880276 to least significant figure 14.78880276 ▶ 4 significant figure ▶ 14.79 9.C This is a grade 7 lesson! 7.25m/1.5s = 4.8333' round to 2 significant figures = 4.8 10.D Permeter ◻ = 2(l+w) 2(2.34+ 4.5 )= 2(6.84) =13.68 2.34 - three significant figures 4.5 - two significant figurues So estimate the result to the least significant figures. •13.7 Evaluation ከ 8 በላይ -አሪፍ ከ 8 በታች ያመጣችሁ ደግማችሁ አንብቡ ©All rights reserved ❗️ 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

🔑 Physics Grade 11 Unit One 1.determine the significant figure of 0.0042 A. 2 B. 4 C. 5 D. Ambiguous 2.Which of the following number has the highest precision measurement? A. 1,000 B. 100.0 C. 10.00 D. 1.000 3. Which of the following measurement has most significant figures? A. 4500 B. 45.00 C. 4.500 D. 0.4500 4. Calculate the percentage uncertainty of 20 +/- 2 A. 25 % B. 10% C. 20 % D. 12.5 5. Which type of error can be corrected by redesigning the measuring instrument ? A. Zero error B. Random error C. Systematic error D. Random error 6.__________ has no pattern and makes the reading above or below the true value. A. Zero error B. Random error C. Systematic error D. Random error Questions 7-8are regard for significant figures. Do the operations accordingly. 7. Substract 13.7 to 9.12 with significant figure A.5.00 B. 4.6 C. 4.58 D. 4.50 8. Multiply 103.6 to 7.0053 A 15.0 B.14.7888 C.14.80 D. 14.79 9. A race car moved 7.25 m away from the incipient in 1.5 second. What is its velocity? A. 4.83 B. 4. 9 C. 4.8 D. 4.90 10. Calculate the permeter of a rectangular plane of length 2.34 cm & 4.5 cm A. 13.68 B. 14.0 C. 13.6 D. 13.7 ©All rights reserved ❗️ 📚 ንስር Academy ❗️ 🦅ከፍ እንደ ንስር!

✅ Answers For Civics 📒Unit -1 Grade 11 & 12 hybrid 1 C features of Democratic system include -accountability -Transparency -free,fair & periodic election - universal saffarage - multiparty system 2. D . Federalism creates a good environment for socio economic growth . It lets citizen have equal opportunity, benefits & burden (butnot absolute equality) 3.B Transferring power to regional governments is the prior advantage of federal government 4.B Federalism distributes state power in to 3 broad terms 1.Exclusive power : power given to federal gov't 2.concurrent power : power given to regional &federal gov't in joint 3.Residual power : power given to constitutio to represent the powers partly used by constitution 5. A ( በጣም ግልፅ መግለፅ አያስፈልግም) 6.D International relation include social, political ,economic and cultural affairs 7. A IGAD was created in 1996 aiming To Cop sitituation such as droughts Food security and environmental Protection Humanitarian affair ,economic co operation and integration Promoting and maintaining of peace and security 8. D IGAD was established to help north east African mission. Its headquarter is Djibouti 9. A. Ethiopia joined league of nation in 1923 during Hails Silale regime 10. C (በጣም ግልፅ ነው መግለፅ አያስፈልግም) 11.B Definition: State ethos : state character Democratic system may have either written or unwritten constitution. 12. B √ parliamentary Democratic system - the prime minister leads the executive branch of government at the same time is the member of legislative branch. √. Presidential Democratic system - the presedant leads the executive branch and the representative leads the legislative branch of government. √. Hybrid system of democracy - The president leads the Head of the state with defined authority & power - The prime minister heads the head of the government and works under close division of the president . 13. D Britain, Ethiopia - follow parliamentary Democratic system USA - follows presidential democratic system France , Russia & south Africa - follow hybrid Democratic system 14.B. Thomas Jefferson √ He was founding father of American democracy 15.A Hybrid Democratic system = Parliamentary and Presidential Democratic system in a joint ° Presidential is the most sophisticated in checks & balances of branchs of government. 16. C Authorities refers to √.the claim of legitimacy justification and right of exercise √.the legal power vested in public √. the capacity to exercise power in full position over the team. √. the legal right to exercise or order someone to do. Power √.the capacity to control or direct someone or something by what ever means. 17. A 18. c Choice A ,B & D are un illegal authority and power of government. 19. C (በጣም ግልፅ ነው መግለፅ አያስፈልግም) 20. C(በጣም ግልፅ ነው መግለፅ አያስፈልግም) 21. A Theocratism : the period which the religion is superior over the state. Eratianism : the period which the state is superior over the religion. Secularism : A position that religious belief should not influence public and governmental decisions. 22. A (በጣም ግልፅ ነው መግለፅ አያስፈልግም) ❗️Evaluation ከ18 ጥያቄ በላይ ከመለሳቹ አሪፍ ነው ከ 18 በታች ከመለሳችሁ ይሄን Unit ደግማችሁ አንብቡ 📚ንስር Academy❗ 🦅ከፍ እንደ ንስር!

2nd page 12.Which type of Democratic system give executive branch of government to president and the legislative branch of government to the representatives? A. Parliamentary Democratic system B. Presedetial Democratic system C. Hybrid Democratic system D. Dual rule Democratic system 13. Which one of the following country is mismatched with its democratic system? A. United kingdom - a Parliamentary democracy B.South Africa - Hybrid democratic system C. USA - presidential Democratic system D.Russia - parliamentary Democratic system 14. Who was the author of American civil independence ? A. Abraham Lincoln B. Thomas Jefferson C. John. F Kennedy D. George Washington 15._____________ type of Democratic system is criticized with its weak check and balance between the three branch's of government. A. Parliamentary Democratic system B. Parliamentary and Presidential Democratic system C. Presidential Democratic system D. Hybrid Democratic system 16. Which of the following is incorrect about authority ? A. Authority refers to the claim of legitimacy justificatio. B. Authority is the legal power vested in public C. Authority can be defined as the capacity to control or direct someone or something by what ever means. D. If some one is authorized for some thing it mean that he has the legal right to exercise or order someone to do. 17. _ defined as a force or ability to compress other to do. A.Power B. Authority C. Autocracy D. Democracy 18. One of the following is the characteristic of legitimate power and authority of government A. The people of the state are subjected and denied the fundamental freedom of human and democratic rights. B. It has constitution but not constitutional rule C. It receive its mandate from the people to gevern . D. There is the existence of repressive form of government. 19. _ has the power to declare war in emergency case ? A. House of people representative B. legislative branch of government C. Council of minister D. Judiciary branch of government 20. Article 29 of FDRE constitution States that A. Seeking and receiving information is not necessary it is forbidden. B. Everyone has the right of freedom expression ideas except political affairs. C. Any media under the control of state shall be operated in a manner ensuring its capacity to entertain diversity in expression of opinion. D. Any citizen who violets any legal limitation will under jail. 21.__________ is the period which the religion is superior over the state. A. Theocratism B. Eratianism C. Secularism D. Religionalism 22. _ is the management of international relation by peaceful mechanism A. Diplomacy B. Foreign policy C. Foreign relation D. Ambassador ©All rights reserved ❗️ ንስር Academy ❗️ 📚 ከፍ እንደ ንስር !

✅ Civics 📒Unit -1 Grade 11 & 12 hybrid 1.Which one of the following is not the features of Democratic system? A. Universal seffarage C.Mono party system B. Political Tolerance D.Political Tolerance 2. The major significance of federalism for Ethiopia include _, A.promoting unity by using one national language in the country B. giving chance for government officials to exercise unlimited power C. empowering citizens for absolute equality D.being suitable for socio economic growth 3.All of the following are demerit of federalism except A.The weak coordinatin of federal and regional state B.the devolution of power C.Delay decision making D.Unfair distribution of country resources 4._________refers to the power given to constitution in federalism power distribution. A.Exclusive power C.Concurunt power B.Residual power D.none 5. Which one of the following power is not given for regional government A. direct cominicate with comerece B.establish and administrate state policy C. Enact and enforce laws on civil services D.formulating policy on land use and natural resources 6.One of the following is wrong about international relation .Which one ? A.It is a term simply describe the relationship between countries B.It involves at list to sovereign state. C.It is all about action and reaction of state toward each other D.The relation must be social & political affairs 7.Which one of the following Continental organization aims on food security and environmental protection A. IGAD B.ECOWAS C.COMESA D.ECA 8. Which one of the following is incorrect about Ethiopian relation with continental organization A.Ethiopia serves as head quarter of ECA B.COMESA was established by eastern and southern African state including Ethiopia C.Ethiopia is one of the founding member of AU. D.IGAD was created Northern &Eastern African countries at Addis Abeba in 1996 . 9.When did Ethiopia joined the league of nation ? A.During Emperor Haile Sillase regime B.During Durgue period C. as soon as it joined AU D.Before victory of Adwa 10. The objectives of Ethiopian foreign policy include A.interference in internal affair of other state B.encroach border of neighbouring countries for boundary expansion C.the attraction of foreign investment for development D.keeping some individuals interest neglecting the comen good 11. One of the following is not necessity of a Democratic system. A. It creates a condition for social ,economic and political spheres . B. It exterminates autocracy by rejecting unwritten constitution. C. It creates a stable peace and freedom of citizens. D. It up holds constitutionalism as a state ethos . 📚 ንስር Academy

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