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እንኳን አደረሳችሁ መልካም በዓል

ዛሬ በሳዑዲ ጨረቃ ባለመታየቷ የዒድ-አልፈጥር በዓል የፊታችን ረቡዕ ይከበራል አዲስ አበባ፣ መጋቢት 30፣ 2016 (ኤፍ ቢ ሲ) ዛሬ በሳዑዲ ዓረቢያ አካባቢ ጨረቃ ባለመታየቷ የዒድ-አልፈጥር በዓል የፊታችን ረቡዕ እንደሚከበር ተገለጸ፡፡

🔆BIOLOGY GRADE 12🔆 🔆PRACTICE QUESTIONS🔆 15 Items 1. Which of the following occurs during inhalation of air? A. Relaxation of the diaphragm B. Relaxation of the external intercostal muscle C. Movement of the ribs out and up D. The diaphragm becomes dome shaped 2. What do we call animals which have body temperatures that varies with the external environment? A. Poikilotherms B. hibernators C. Homiotherms D. aestivators 3. Which of the following parts of the body is different from the rest in relation to homeostasis? A. Kidney B. heart C. skin D. liver 4. Vaccines that help to protect the body from deadly disease are produced from A. Antibiotics B. medicinal plants C. extract of tablet D. weakened pathogen 5. Which of the following is advisable with regard to the use of medicine? A. Children can be given medicine prescribed for adults for similar symptoms. B. Self – prescription of medicine based on previous history. C. Finishing the prescribed dose even if the symptoms are gone. D. It is bad to take overdose of a medicine but taking under dose is not a problem. 6. A chemical agent that is applied on a living tissue to kill microorganism is A. Disinfectant B. Antiseptic C. Sterilizer D. Autoclave 7. Which of the following methods of controlling microorganism is done by raising the boiling point of water to 121 0c. A. Pasteurization B. disinfection C. autoclaving D .dry heat 8. Which of the following is the function of thyroxin? A. Conversion of glucose to glycogen B. Conversion of glycogen to glucose C. Control of the metabolic rate D. Development of sexual characteristics 9. Glands that produce secretions directly to the blood stream are called A. Exocrine B. Endocrine C. Salivary D. mammary 10. Which of the following is a physical method of contraception? A. Condom B. Pill C. Implant D. Injection 11. Which of the following statement is correct about female genital mutilation (FGM)? It A. Helps to make girls pure. B. C. Increases exposure to HIV/AIDS C. Makes girls acceptable by males D. Helps women to give birth easily 12. If a person has problem of focusing the image behind the retina, which type of lens can be prescribed to correct the problem? A. Concave B. flat C. scattering D. Convex 13. Parts of breathing system where gaseous exchange takes place is A. Trachea B. Alveolus C. bronchus D. bronchioles 14. Blood vessels that carry deoxygenated blood from the heart to the lung is called A. Pulmonary artery B. coronary artery C. Pulmonary vein D. Coronary vein 15. If a plant cell is plasmolyzed, the A. Cell membrane will be firmly attached on the cell wall B. Cytoplasm shrinks away from the cell wall C. Vacuole pushes the cytoplasm toward the cell wall D. Pressure inside the vacuole increases

በ DS VIP Room የሚሰጠው Model Exam ዛሬ ሁለተኛ ዙር ፈተናው ይቀጥላል ። ፈተናው የሚሰጥባቸው Subjects 1, ENGLISH 2, MATH 3, ECONOMIC 4, HISTORY 5, BIOLOGY 6, PHYSICS 7, CHEMISTRY 8, GEOGRAPHY ከዚህ በተጨማሪ የ DS VIP Room member የሆኑ ተማሪዎቻችን በየቀኑ እራሳቸውን የሚገመግሙባቸው ጥያቄዎችን ከነ መልሳቸው እየሰሩ ይገኛሉ ። መዝግብ የምትፈልጉ ክፍያውን በመፈፀም የባንክ ደረሰኝ ወይንም የ Mobile banking screenshot በውስጥ መስመር ይላኩልን @na_ta_nem DS TUTORIAL INSTITUTE

የቀጠለ 10.Which of the following catalysts is used in the contact process to produce sulphuric acid? A. Iron B. Vanadium pent oxide C. Vanadium trioxide D. Molybdenum 11.Which of the following is the key step in the manufacture of H2SO4 by contact process? A. Burning of sulphur of sulphide ores in air B. Conversion of SO2 to SO3 C. Absorption of SO3 in H2SO4 to give oleum D. All of the above 12.Conversion of SO2 to SO3 by the reaction with oxygen in the presence of a catalyst is a _____. A. Endothermic Reaction B. Precipitation reaction C. Exothermic Reaction D. Reduction Reaction 13.Sulphuric acid oxidizes a variety of metals and nonmetals. Sulphuric acid is itself reduced to A. SO3 B. SO2 C. S2- D. None of the above 14.What is the first step involved in forming sulphuric acid through contact process? A. Conversion of SO2 to SO3 B. Purifying SO3 C. Burning of Sulphur or roasting sulphide ores to generate SO2 D. Absorption of SO3 in sulphuric acid 15.What are the favorable conditions for maximum yield of Sulphur trioxide? A. High pressure, low temperature, excess of oxygen C. High pressure, low temperature, less oxygen B. Low pressure, low temperature, excess of oxygen D. High pressure, high temperature, excess of oxygen 16.Which substance is not a raw material used in the manufacturing of sulphuric acid? A. Air B. S C. SO2 D. H2O DS TUTORIAL INSTITUTE

Geo Simple Questions About Map 🗺️ 1. What is the main difference between a map and a globe? a) Maps are flat while globes are three-dimensional b) Maps are smaller than globes c) Maps show more detailed information than globes d) Maps are portable while globes are not 2. Which type of map focuses on a specific topic such as population distribution? a) General-purpose map b) Thematic map c) Topographic map d) Political map 3. What does the scale of a map indicate? a) The size of the map b) The level of detail on the map c) The relationship between map distances and ground distances d) The orientation of the map 4. Which type of map scale compares map area to ground area? a) Linear scale b) Areal scale c) Small-scale d) Large-scale 5. What does marginal information on a map include? a) The map's title and legend b) The map's author and publication year c) The map's scale and projection type d) All of the above 6. What is the purpose of a small-scale map? a) To show detailed information about a small area b) To show general information about a large area c) To show a specific thematic topic in great detail d) To navigate and plan detailed routes 7. What does a legend/key on a map indicate? a) The map's scale b) The map's projection type c) The symbols used on the map and their meanings d) The map's orientation 8. What is the purpose of a general-purpose map? a) To show detailed information about a specific topic b) To navigate and plan routes c) To show a wide range of information about a place d) To measure areas accurately 9. How does a large-scale map differ from a small-scale map? a) Large-scale maps cover larger areas with less detail b) Large-scale maps show small areas with great detail c) Large-scale maps have a larger physical size than small-scale maps d) Large-scale maps are more commonly used than small-scale maps 10. What does magnetic declination on a map indicate? a) The difference between map scale and ground scale b) The difference between linear scale and areal scale c) The difference between Magnetic North and True North d) The difference between large-scale maps and small-scale maps 11. How can you determine the scale of a map if the ground distance between two points is known? a) Measure the distance between the two points on the map and divide by the ground distance b) Measure the distance between the two points on the map and multiply by the ground distance c) Measure the distance between the two points on the map and subtract the ground distance d) Measure the distance between the two points on the ground and divide by the map distance 12. Which type of map provides more detailed information about a small area? a) Large-scale map b) Small-scale map c) General-purpose map d) Thematic map 13. What is the purpose of a map's orientation arrow? a) To indicate the map's scale b) To show the map's legend/key c) To indicate the map's projection type d) To show which way is north 14. How does an even slope appear on a contour map? a) Contour lines merge together b) Contour lines do not cross each other c) Contour lines are evenly spaced d) Contour lines are close together 15. What information can be obtained from a spot height on a map? a) The specific altitude of a point b) The scale of the map c) The magnetic declination d) The latitude and longitude coordinates

INDUSTRIAL CHEMISTRY Chemistry grade 12 1. All of the following statement is true regarding chemical industry, EXCEPT A. Chemical industry use naturally-available raw materials to produce the desired products B. Chemical industry involve chemical reactions to transform raw materials into finished and semifinished products C. Chemical industry does not use safe operation methods in their manufacturing processes D. Chemical industry consume relatively large quantities of energy during the manufacturing process 2. What makes chemical industries different from other industries? They A. Consumes relatively small quantities of energy during the manufacturing activity. B. Requires trained workers in their manufacturing process. C. Do not make use of naturally available raw materials for their manufacturing activity. D. Involves chemical reaction to change raw materials into products 3. All of the following natural resources are renewable. Except A. Animal B. Fossil C. Plant D. Soil 4. Which one of the following statements in the answer below about the Haber process is true for the manufacture of ammonia? N2 (g) + 3H2 (g) ↔ 2NH3 (g) + heat A. At higher pressure, the percentage yield goes down but the rate of production of ammonia is faster B. At higher temperature, the percentage yield goes down but the rate of production of ammonia is faster C. In the presence of a catalyst, the percentage yield goes up and the rate of production of ammonia is faster D. Increasing the surface area of the catalyst increases the percentage yield of ammonia 5. All ores are minerals, while all minerals are not ores because A. the metal can’t be extracted economically from all the minerals B. minerals are complex compounds C. the minerals are obtained from mines D. all of these are correct 6. In Haber’s process for the manufacture of NH3: A. Finely divided nickel is used as a catalyst C. Finely divided iron is used as a catalyst B. Finely divided molybdenum is used as a catalyst D. No catalyst is necessary 7. Which one of the following is not a use of ammonia? A. To produce various nitrogenous fertilizers. C. In manufacture of nitric acid B. As a refrigerate D. In the pickling of stainless steel 8. The catalyst used in the manufacture of HNO by Ostwald’ s process is : A. Platinum gauze B. Vanadium pentoxide C. Finely divided nickel D. platinum black 9. Concentrated nitric acid, upon long standing, turns yellow brown due to the formation of A. NO B. NO2 C. N2O D. N2O4 DS TUTORIAL INSTITUTE 👇👇👇👇👇👇👇👇 👉 @DSTutorial111 👈 👉 @DSTutorial111👈 👉 @DSTutorial111 👈 👆👆👆👆👆👆👆👆

Biology questions 1) Compare and contrast specialized cell with unspecialized cells with specific examples. 2. What are three major elements of blood circulation? List and describe each. 3. Describe about principles of classification. 4. What do we mean by adaption in plants and animals? 5. Describe about biological clocks in terms of circadian and circannual rythums. 6. What do we mean by biological or symbiosis association? DS TUTORIAL INSTITUTE 👇👇👇👇👇👇👇👇 👉 @DSTutorial111 👈 👉 @DSTutorial111👈 👉 @DSTutorial111 👈 👆👆👆👆👆👆👆👆

#ጥቆማ " የ2024 ESP ማመልከቻ ማስገባት ይቻላል " - የአሜሪካ ኤምባሲ በኢትዮጵያ በኢትዮጵያ የአሜሪካ ኤምባሲ የEducation USA Scholars Program (#ESP) 2024 ማመልከቻ ክፍት መሆኑን አሳውቋል። ESP በአካዳሚክ ጠንካራ የሆኑ የሁለተኛ ደረጃ ትምህርት ቤት ተማሪዎች ወደ አሜሪካ ኮሌጆች እና ዩኒቨርሲቲዎች #እንዲያመለክቱ የሚረዳ የአራት ሳምንታት የሥልጠና መርሃ ግብር ነው። ዓላማውም ደግሞ የነገዋን ኢትዮጵያ ለመገንባት የሰለጠኑ እና ከፍተኛ የትምህርት ዝግጅት ያላቸውን መሪዎችን ማፍራት እንደሆነ ኤምባሲው አመልክቷል። ከአመልካቾች 20 ከፍተኛ የአካዳሚክ ብቃት ያላቸውን ኢትዮጵያውያን ተማሪዎች በኤምባሲው ይለያሉ። ተማሪዎቹ በአካዳሚክ ሪከርዳቸው፣ እንዲሁም በኢንተርቪው እንዲለዩ ይደረጋል። ከጠቅላላው 20 የመጨረሻ እጩዎች መካከል፣ 15 ከፍተኛ ብቃት ያላቸው፣ በኢኮኖሚ የተቸገሩ ተማሪዎች ከመደበኛ ፈተናዎች፣ ከአሜሪካ ቪዛ ክፍያ ጋር የተያያዙ ወጪዎችን በሚሸፍነው የOpportunity Program Fund (#OPF) ፕሮግራም ተጠቃሚ እንዲሆኑ ይመረጣሉ። የመጀመሪያዎቹ ጥቂት ስኬታማ ዕጩዎች ወደ አሜሪካ የራውንድ ትሪፕ ትኬት ያገኛሉ። ቀሪዎቹ 5 ተማሪዎች በስልጠና ፕሮግራሙ ላይ #በነጻ ይሳተፋሉ ነገር ግን የዝግጅት ወጪን ከራሳቸው ምንጭ ይሸፍናሉ። የሞባይል ዳታ ወጪዎች ለሁለቱም የፕሮግራም ተሳታፊዎች በኤምባሲው ይሸፈናሉ። ማመልከቻ እስከ ሚያዚያ 10/2024 (5:00 pm EAT) ማስገባት ይችላል ተብሏል። ለማመልከት አስፈላጊ መስፈርቶች ምንድናቸው ? ➡️ ኢትዮጵያ ውስጥ የሚኖሩና ትምህርታቸውንም እዚሁ ኢትዮጵያ እየተከታተሉ ያሉ። ➡️ ከፍተኛ ውጤት ያስመዘገበ/ች #ኢትዮጵያዊ ተማሪ፣ ➡️ በዚህ የትምህርት አመት መጨረሻ 11ኛ ክፍልን ያጠናቅቁ እና ከመስከረም 2024 ጀምሮ 12ኛ ክፍል የሚማሩ፣ ➡️ በጠቅላላ 4 ሳምንታት የESP መርሃግብር ለመሳተፍ ቃል መግባት የሚችሉ መሆን አለባቸው። ስታመለክቱ የሚያስፈልጉ ፦ 1ኛ. የሁለተኛ ደረጃ ትራንስክሪፕት (9፣ 10፣ 11) 2ኛ. ከትምህርት ቤት የድጋፍ ደብዳቤ 3ኛ. የኢኮኖሚ ችግር ያለባቸውና ለOpportunity Fund Program (OFP) የሚያመለክቱ ከትምህርት ቤት ወይም ከቀበሌ የቤተሰብን #ዝቅተኛ የኢኮኖሚያ ሁኔታ የሚያረጋግጥ ደብዳቤ ማቅረብ ያስፈልጋል። https://t.me/ethio_exams2 የማመልከቻ ሊንክ እና ተጨማሪ ዝርዝር መረጃ በዚህ ይመልከቱ ፦ https://sites.google.com/amspaceseth.net/educationusa-esp2024 https://t.me/ethio_exams2

🔆 Grade 12 🔆 🔆🔆🔆🔆 🔆🔆🔆🔆 🔆 🔆. 🌞 🔆 🔆. 🔆🔆🔆🔆 🔆🔆🔆🔆. 🔆 🔆🔆🔆🔆 Mathematical Applications in Business Mark up 1. A car dealer reduces the price of last year‘s models at the clearance sell of the end of the year, by a certain amount. If a certain four-door model has been sold at a discounted price of Birr 510,000, with a discount of Birr 90,000, what is the percentage of the discount? 2. One year, a furniture manufacturing firm made a profit of 520,000 Birr. This represented 8% of the volume of the business for the year. What was the volume of the business in that year? 3. A proposal made in the regional council members to raise the minimum wage from Birr 12 to Birr 15 an hour. What was the proposed percent of increase to the nearest tenth of a percent? Apply the knowledge above to solve the following A). A pair of shoes that costs Birr 110 is sold for Birr 155. Find the markup and the percent of the markup based on the retail (selling price). b.) What is the percent markup on cost if the markup on retail is 37%? c.) Abebe sold a quintal of Teff at Birr 5250 with 45% markup on selling price. Find the cost. d.) Find the percent markup on cost, if markup of the selling price is 30%. DS TUTORIAL INSTITUTE 👇👇👇👇👇👇👇👇 👉@DSTutorial111👈 👉@DSTutorial111👈 👉@DSTutorial111👈 👆👆👆👆👆👆👆👆

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