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Kanammoo irratti dhugaa 👇👇👇 1. The first atomic theory was proposed by:   (A) Niels Bohr   (B) Ernest Rutherford   (C) John Dalton   (D) J.J. Thomson 2. Dalton's atomic theory stated that all atoms of a given element are:   (A) Different in size   (B) Different in mass   (C) Identical in mass and properties   (D) Composed of smaller particles 3. Who discovered the electron?   (A) Ernest Rutherford   (B) James Chadwick   (C) J.J. Thomson   (D) Max Planck 4. Thomson's atomic model is known as the:   (A) Nuclear model   (B) Planetary model   (C) Plum pudding model   (D) Quantum mechanical model 5. Rutherford's gold foil experiment led to the discovery of the:   (A) Electron   (B) Neutron   (C) Nucleus   (D) Proton 6. Rutherford's atomic model proposed that the atom is mostly:   (A) Solid   (B) Liquid   (C) Empty space   (D) Filled with electrons 7. Which particle is NOT found in the nucleus of an atom?   (A) Proton   (B) Neutron   (C) Electron   (D) Nucleon 8. The atomic number of an element represents the number of:   (A) Neutrons in the nucleus   (B) Protons in the nucleus   (C) Electrons in the outermost shell   (D) Total number of particles in the nucleus 9. Isotopes of an element have the same number of:   (A) Neutrons   (B) Protons   (C) Mass number   (D) Both protons and neutrons 10. Who proposed that electrons orbit the nucleus in specific energy levels or shells?   (A) Ernest Rutherford   (B) J.J. Thomson   (C) Niels Bohr   (D) Max Planck 11. Bohr's atomic model successfully explained the:   (A) Spectra of all elements   (B) Spectra of hydrogen   (C) Existence of isotopes   (D) Wave nature of electrons 12. In Bohr's model, electrons can move to a higher energy level by:   (A) Emitting energy   (B) Absorbing energy   (C) Colliding with other electrons   (D) Moving closer to the nucleus 13. The quantum mechanical model of the atom treats electrons as:   (A) Particles only   (B) Waves only   (C) Both particles and waves   (D) Neither particles nor waves 14. Which principle states that it is impossible to know both the exact position and momentum of an electron simultaneously?   (A) Pauli Exclusion Principle   (B) Hund's Rule   (C) Heisenberg Uncertainty Principle   (D) Aufbau Principle 15. Atomic orbitals are regions of space where there is a high probability of finding:   (A) Protons   (B) Neutrons   (C) Electrons   (D) The nucleus 16. Which quantum number describes the shape of an atomic orbital?   (A) Principal quantum number (n)   (B) Azimuthal quantum number (l)   (C) Magnetic quantum number (ml)   (D) Spin quantum number (ms) 17. The maximum number of electrons that can occupy a p subshell is:   (A) 2   (B) 4   (C) 6   (D) 10 18. Which rule states that electrons will individually occupy each orbital within a subshell before doubling up in any one orbital?   (A) Pauli Exclusion Principle   (B) Hund's Rule   (C) Heisenberg Uncertainty Principle   (D) Aufbau Principle 19. According to the Aufbau principle, electrons fill orbitals in order of:   (A) Increasing energy   (B) Decreasing energy   (C) Increasing atomic number   (D) Decreasing atomic number 20. What does the Pauli Exclusion Principle state?   (A) Electrons must fill the lowest energy levels first   (B) No two electrons in the same atom can have the same set of four quantum numbers   (C) Electrons must occupy each orbital within a subshell individually before pairing up   (D) It is impossible to know both the exact position and momentum of an electron simultaneously Answers: 1. C 2. C 3. C 4. C 5. C 6. C 7. C 8. B 9. B 10. C 11. B 12. B 13. C 14. C 15. C 16. B 17. C 18. B 19. A 20. B https://t.me/BekiBekam_academy

kanammoo irratti practice godhaa waan muraasa sin gargaara. Biology Multiple Choose Questions On Circulatory System 1. The circulatory system is also known as the:  A. Cardiovascular system  B. Respiratory system  C. Digestive system  D. Reproductive system  2. The main organ that acts as a pump in the circulatory system is the:  A. Heart  B. Lungs  C. Stomach  D. Liver  3. How many chambers does the human heart have?  A. Four  B. Two  C. Three  D. Six  4. The upper chambers of the heart are called:  A. Atria  B. Ventricles  C. Valves  D. Septum  5. The lower chambers of the heart, which pump blood out, are called:  A. Ventricles  B. Atria  C. Arteries  D. Veins  6.Which blood vessel carries blood away from the heart under high pressure?  A. Artery  B. Vein  C. Capillary  D. Vena cava  7. Which blood vessel has valves to prevent backflow of blood?  A. Vein  B. Artery  C. Capillary  D. Aorta  8. The smallest blood vessels, where exchange of oxygen and nutrients with body cells occurs, are:  A. Capillaries  B. Arteries  C. Veins  D. Bronchi  9. The largest artery in the body, which carries oxygenated blood to all parts, is the:  A. Aorta  B. Pulmonary artery  C. Vena cava  D. Coronary artery  10. Blood that is rich in oxygen is called:  A. Oxygenated blood  B. Deoxygenated blood  C. Mixed blood  D. Waste blood  11. The main function of the circulatory system is to:  A. Transport oxygen, nutrients, hormones, and remove waste products  B. Digest food and absorb nutrients  C. Exchange gases in the lungs only  D. Produce movement in the body  12. Red blood cells in the blood mainly carry:  A. Oxygen  B. Carbon dioxide only  C. Nutrients only  D. Wastes only  13. White blood cells in the circulatory system help the body to:  A. Fight infection and disease  B. Carry oxygen  C. Clot blood  D. Digest food  14. Platelets in the blood are responsible for:  A. Blood clotting to stop bleeding  B. Carrying oxygen  C. Fighting bacteria  D. Producing hormones  15. The circulatory system helps regulate:  A. Body temperature by distributing heat  B. Only blood pressure  C. Only digestion  D. Only reproduction  16. The disorder characterized by persistently high blood pressure is called:  A. Hypertension  B. Hypotension  C. Anemia  D. Asthma  17. One major cause of hypertension is:  A. Too much salt and fat in the diet  B. Lack of oxygen in blood  C. Muscle tear  D. Fungal infection  18.If hypertension is not controlled, it can lead to:  A. Heart attack, stroke, or kidney damage  B. Skin cancer  C. Bone fracture  D. Athlete’s foot  19. The circulatory system works closely with the respiratory system to:  A. Deliver oxygen from lungs to body cells  B. Digest proteins  C. Produce eggs and sperm  D. Protect skin from UV rays  20. The double circulation in humans means blood passes through the heart:  A. Twice in one complete cycle B. Only once  C. Three times  D. Only to the brain  share gochuu akkasumas react gochuun hin dagatamiin, jabaadhaa. https://t.me/BekiBekam_academy Answers 1. A  2. A  3. A  4. A  5. A  6. A  7. A  8. A 9. A  10. A  11. A  12. A  13. A  14. A  15. A  16. A 17. A  18. A  19. A  20. A

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5. Har'a moo waa'ee waliin dubbisuu ilaalla, yeroo baay'ee kana akka yeroo gubuutti ilaalama garuu team dhaan gaafa dubbistan yoo dadhabdan wal ilaalaa jabaattu, yoo sin dhibe team keessaa namni siniif ibsu ni jiraata, walumaagalatti discipline wal gootu kun garuu nama hundaaf hin hojjetu. Kanaaf : 1. Yoo hiriyyoota barnootaaf of kennan akkasumas immoo waljajjabeessitan qabaattan waliin dubbisaa yoo hin taane garuu qofuma dubbisaa. 2. Yoo yeroo namaaf ibsitan siniif gala taanaan immoo hiriyyoota keessan walitti qabaatii guide godhaa. Barnoota hundaaf waliin dubbisuun hin hojjetaa? Akkamitti moo mijeessuu dandeenya? 1. Barnoota akka Biology fi chemistry dhaaf waliin dubbisuun furmaata cimaa dha. 2. Barnoota math fi physics immoo waliin gaaffii hojjechuu akkasumas waliif ibsaa deemuudha. 3. English final aptitude gaaffiidhaan dubbisuu dandeessu, akkasumas material siniif gadhiisaa jiru sirritti follow godhaa, hamma yaaddanii ol sin fayyada waan ta'eef. ✍Qofaa keenya hin fayyadamnu chaannalii kana ani guyyaa guyyaatti yeroo siniif kennee post godhaa jira sinimmoo hiriyyoonni keessan akka itti fayyadamaniif challenge fudhadhaatii group mana barumsaa keessanii irratti gadhiisuun hundumaa biraan gahaa. React❤️ gochuun immoo hin dagatamiin Beki Bekam Academy System barnoota biyya keenyaa ni jijjiirra .🔥🔥🔥 Guyyaa 3ffaa https://t.me/BekiBekam_academy

Kanammoo practice godhaa, irratti digest godhaa bulaa, yoo baay'ate daqiiqaa 30 sinitti fudhata pdf + question.(be disciplined) 1. SCHOLAR: KNOWLEDGE :: A. Artist: creativity C. Farmer: harvest B. Judge: courtroom D. Doctor: hospital 2. WHISPER: SHOUT :: A. Walk: stumble C. Speak: lecture B. Drizzle: downpour D. Glance: observe 3. PUPIL: EYE :: A. Battery: torch C. Engine: car B. Kernel: seed D. Page: book 4. THIRST: DRINK :: A. Hunger: eat C. Curiosity: question B. Fatigue: sleep D. Grief: weep 5. OPTIMIST: HOPE :: A. Pessimist: despair C. Scholar: ignorance B. Realist: fantasy D. Artist: canvas

Topic physics irratti bal'inaan dhufan: 1. kinematics 2. Dynamics isaan kun lamaan qofti 30% - 40% qormaata keessaniiti. 3. Fluid statics and mechanics 4. Heat and Temperature 5. Electricity and magnetism isaan armaan olii qofa irratti osoo focus gootaniiyyuu qabxiin keessan gaarii ni ta'a keessumaamoo warra jalqabaa lamaan. https://t.me/BekiBekam_academy

Unit 4 *   stick at: persevere with (e.g., He stuck at his studies despite the difficulty.) *   stick around: stay (e.g., Stick around, the party is just getting started.) *   stick down: attach with glue (e.g., Stick down the envelope flap.) *   stick to: adhere to (e.g., Stick to the plan.) *   stick out: be noticeable (e.g., Her bright red hair stuck out in the crowd.) *   stick together: remain united (e.g., We need to stick together as a team.) *   stick up for: defend (e.g., He stuck up for his friend.) *   stick with: continue supporting (e.g., I'll stick with you no matter what.) *   stick by: remain loyal (e.g., She stuck by her husband through thick and thin.) *   stay up: remain awake (e.g., I stayed up late studying.) *   step on: tread on (e.g., Be careful not to step on the flowers.) *   stop off: make a brief stop (e.g., We stopped off for lunch on our way home.) *   stop over: stay somewhere temporarily (e.g., We stopped over in Dubai for a few days.) https://t.me/BekiBekam_academy

4. Inni kan biraan yeroo gaaffii hojjetaan akkaataa armaan gadiitti hojjechuu qabdu: a) gaaffiicha sirritti hubadhaa b) filannoo jiran hundayyuu define godhaa, deebii hin ta'u taanaan maaliif akka hin taane reason out godhaa, maaliif filannoon bara tokko ture gaaffii ta'ee dhufa waan ta'eef bara kan biraamoo. c) yoo gaafficha hin beektan ta'emoo just refer godhaa note keessan akkasumas Ai fayyadamaa. 👆Yoo sin fayyadeera ta'e hiriyyoota keessaniif share godhaa, akkasumas react(🔥🔥🔥) gochuudhaan nuuf mirkaanneessa. Beki Bekam Academy System barnoota biyya keenyaa ni jijjiirra.🔥🔥🔥 Guyyaa 2️⃣ffaa