#61
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Answer of all objective pf 2010 every day science paper
[QUOTE=HIDAYAT ULLAH 173759]1. Water is heated in a kettle. Te inside water is heated by convection. A person sitting near the fire receives heat by :
a) Conduction 2. A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible ? a) [B]No 3. The measurement of rainfall is made by an instrument known as : e) None of these 4. Light year is a unit of : a) [B]Distance 5. Three elements needed for the healthy growth of plants are : a) [B]N,P,K 6.Copper can be converted into gold by : b) Artificial Radioactivity 7. In winter an iron pipe feel colder than a wooden window . This is because wood is : b) [B]non-Conductor 8. The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least : a) 1120 ft 9. It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the: a) QUALITY 10. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is : a) Visible 11. A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be : a) 6 feet 12. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use : c) Ultrasonic 13. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called : c) Fission nuclear reaction 14. Parsec is a unit of : d) Distance 15. German Silver is an alloy of: c) Cu + Ni 16. The Continent Antarctica lies at the: South pole c) 17. The temperature of the dead body is. d) temperature of the place where it is kept 18. Lactometer is a type of Hydrometer which is used to measure the specific gravity of : c) Milk 19. Cusec is a unit of : e) None of these 20. The deepest place on earth is : a) b) [B]Mariana Trench 21. of stars is caused by : c) refraction of light ;hm i am setting here in very cold room and my tipping speed is also very slow so i am sorry to say that i cannot solove any more objective; |
#62
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Answer of all objective pf 2010 every day science paper
[QUOTE=HIDAYAT ULLAH 173759]1. Water is heated in a kettle. Te inside water is heated by convection. A person sitting near the fire receives heat by :
a) Conduction 2. A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible ? a) [B]No 3. The measurement of rainfall is made by an instrument known as : e) None of these 4. Light year is a unit of : a) [B]Distance 5. Three elements needed for the healthy growth of plants are : a) [B]N,P,K 6.Copper can be converted into gold by : b) Artificial Radioactivity 7. In winter an iron pipe feel colder than a wooden window . This is because wood is : b) [B]non-Conductor 8. The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least : a) 1120 ft 9. It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the: a) QUALITY 10. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is : a) Visible 11. A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be : a) 6 feet 12. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use : c) Ultrasonic 13. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called : c) Fission nuclear reaction 14. Parsec is a unit of : d) Distance 15. German Silver is an alloy of: c) Cu + Ni 16. The Continent Antarctica lies at the: South pole c) 17. The temperature of the dead body is. d) temperature of the place where it is kept 18. Lactometer is a type of Hydrometer which is used to measure the specific gravity of : c) Milk 19. Cusec is a unit of : e) None of these 20. The deepest place on earth is : a) b) [B]Mariana Trench 21. of stars is caused by : c) refraction of light ;hm i am setting here in very cold room and my tipping speed is also very slow so i am sorry to say that i cannot solove any more objective; |
#63
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for the notes of everyday science plz follow the link
http://www.cssforum.com.pk/css-compu...tes-eds-2.html |
#64
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2010 objective
1st objective ans is radiation i think plz confirm it becz according to my knowledge conduction take place through some material medium
plz clear this point |
#65
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2010 objective
11 mcq correct ans is 3 feet it is confirm ans for detail ans see university phy by HERRIS BENSON page no 721 example no 35.7
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#66
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Plz Answer these Q?
Question # 07:
A) In which organ these parts are present in animals or human body ? (5) B) Describe the function of each briefly : (5) Coronary artery Sino- Auricular Node Aortic valve Auricle Question # 04: Write briefly any five of the following: (Answer in three or four sentences) (10) a) Plaster of Paris b) Reflex Action c) Pace Maker d) Swine flue e) Microwave oven f) Internet g) Voltage Stabilizer |
#67
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i do agree its radiation.
__________________
Main ne Allah Ko apney iraadon ke totney se pehchana hay...!! Hazrat Ali (R.A) |
#68
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ans
q no 7 ans is
these r part of heart and there function is cortied artery supply blood to head and face aortic valve present between atrium and and ventricle its name written in book is semilunar valve i am not confirm about it and auricle r two chamber of heart which recive oxygenated and deoxygenated blood and deliver to body and lungs respectively |
#69
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Eds 2010
Every Day science Paper 2010
________________________________________ PART-1(MCQs) COMPULSORY Question 1. Select the best option and fill in the appropriate Box on the answer sheet: (50 Marks) 1. Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by: a) Conduction b) Convection c) Radiation d) Reflection e) None of these 2. A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible? a) No b) Yes c) In due course time d) Very soon e) None of these 3. The measurement of rainfall is made by an instrument known as : a) Hydrometer b) Barometer c) Hygrometer d) Pedometer e) None of these (Rain gauge) 4. Light year is a unit of: a) Distance b) Time Period c) Light intensity d) Time e) none of these (Length) 5. Three elements needed for the healthy growth of plants are : a) N,P,K b) N,C,P c) N,K,C d) N,S,P e) none of these 6.Copper can be converted into gold by : a) Heating b) Artificial Radioactivity c) Electroplating d) Chemical reaction e) None of these 7. In winter an iron pipe feel colder than a wooden window. This is because wood is : a) Conductor b) non-Conductor c) Semi- Conductor d) Not a solid while iron is a solid e) None of these 8. The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least : a) 1120 ft b) 120 ft c) 56fft d) 100 ft e) None of these 9. It is possible to recognize a person in the dark by simply hearing his unique voice. It is because of the: a) pitch b) Frequency c) Time period d) Quality e) None of these 10. When a ray of sunlight enters a dark room, its straight path become visible because of dust particles hanging in the air. It is because light is: a) Visible B) Transparent c) Invisible d) opaque e) None of these 11. A six feet tall lady wants to see her full image in a plane mirror. The minimum length of the mirror will be : a) 6 feet b) 12 feet c) 4 feet d) 3 feet e) None of these 12. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use : A) red waves b) Infrared waves c) Ultrasonic d) super sonic e) None of these 13. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called : a) Chemical Reaction b) Nuclear reaction c) Fission nuclear reaction d) Fusion nuclear reaction e) None of these 14. Parsec is a unit of: a) Energy b) Time c) Power d) Distance e) None of these 15. German Silver is an alloy of: A) Zn + Ni b) Cu + Zn c) Cu + Ni d) Cu + Sn e) None of these 16. The Continent Antarctica lies at the: a) North pole b) South pole c) middle of the earth d) Equator e) None of these 17. The temperature of the dead body is: a) 0 'C b) 37 ' c) room temperature d) temperature of the place where it is kept e) None of these 18. Lactometer is a type of Hydrometer which is used to measure the specific gravity of : a) Honey b) Water c) Milk d) olive oil e) None of these 19. Cusec is a unit of: a) Area b) Time c) Distance d) mass e) None of these(flow of liquid) 20. The deepest place on earth is: a) Trench b) Mariana Trench C) Mangrove d) Groove e) None of these 21. Twinkling of stars is caused by: a) Reflection of light b) Polarization of light c) refraction of light d) Interference of light e) None of these 22. Magnifying power of a simple microscope can be increased by: a) increasing focal length of the lens b) Decreasing focal length of the lens c) Lens of large aperture d) lens of short aperture e) None of these 23. Bronze medal is made up of metal: a) Copper, Zinc b) Copper, Nickle c) Copper, Tin d) Supper, Silver 24. One of the countries through which equator passes is: a) Kenya B) Pakistan c) Malaysia d) Malta e) None of these 25. A very important practical application of properties of matter is hoeing or "godi" practiced by the farmers. This property of matter is called: a) Elasticity b) Stress c) Capillarity d) Strain e) None of these 26. It is observed that the total pressure exerted by air on the man of average siz is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of : a) An equal and opposite pressure acts from inside b) of the height of a man c) of gravity d) Earth pulls the man upward e) None of these 27) A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect : a) Current b) Voltage C) nuclear Radiation d) power e) None of these 28. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of: a) 25 miles per sec b ) 60 miles per sec c) 7 miles per sec d) 10 miles per sec e) None of these 29. Night vision is possible with the help of : a) Red light b) Violet light c) Infrared Rays d) Ultra violet Light e) None of these 30. Myopia is a defect of human eye. it can be corrected by using a lens called : a) Convex lens b) Concave lens c) Cylindrical lens d) Plano convex lens e) None of these 31. Walnuts can be broken in the hand by squeezing two together but not one. It is because of: a) Work done b) Power c) Energy d) Volume e) None of these 32. The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a a) Diatonic scale b) Fahrenheit Scale c) Richter scale d) Celsius Scale e) None of these 33. The planet Mercury completes one rotation around the sun is a) 88 days b) 365 days c) 98 days d) 60 days 34. Fossils found in the lowest geological strata are generally most: a) Advance b) Complex c) Primitive d) Specialized e) None of these 35. Evolution can be described as: a) A continuing process b) A catastrophic event in the past c) Static d) The attaining of an ideal type e) None of these 36. What is the only source of new alleles? a) Crossing over b) independent assortment c) Mutation d) Fertilization e) None of these 37. Polygenic characteristic are controlled by: a) Dominant genes b) Recessive genes c) Multiple genes d) Mutated genes e) none of these 38. Which of the following, lists the four stages of food processing in order? a) ingestion , digestion , absorption , elimination b) digestion , ingestion , absorption , elimination c) ingestion , absorption , elimination , digestion d) absorption , digestion , ingestion , elimination e) None of these 39. In humans, most nutrient molecules are absorbed by the: a) small intestine b) stomach c) liver d) large intestine e) None of these 40. The energy needed to fuel essential body processes is called: a) Essential nutrient level b) Basal metabolism c) None of these d) recommended daily allowance e) Optimum energy intake 41. Which of the following is an organic molecule needed by the body in small amounts? a) Protein b) Vitamin C c) Zinc d) Monosaccharide e) None of these 42. Inhaled air passes through which of the following in the last? a) Bronchiole b) Larynx c) Pharynx d) Trachea e) None of these 43. Which of the following is a form of sexual reproduction? a) Hermaphrodites B) Fission c) Fragmentation d) Budding e) None of these 44. Cobalt is a material which is: a) Strongly attracted by a magnet B) Not attracted by a magnet c) not a magnet d) Weakly attracted by a magnet e) None of these 45. Laughing gas has chemical composition of the following two elements which are : a) Nitrogen + Hydrogen b) Nitrogen + Carbon c) Nitrogen + oxygen d) Oxygen + Carbon e) None of these 46. Hepatitis A is transmitted to different individuals by : a) Water b) Sneezing c) Spit d) Feces e) None of these 47. The unit that coordinates different devices of the computer system is : a) ALU b)Register c) Control unit d) Logical instruction e) None of these 48. The most abundant element present is in the human body is: a) Nitrogen b) Oxygen c) Carbon d) Hydrogen e) None of these 49. Cancer can be treated by: a) Antibiotics and vaccines b) Radiotherapy and antibodies c) Chemotherapy and radiotherapy d) Antibodies and chemotherapy e) None of these 50. Animals obtain carbon dioxide mainly from: a) Starch b) Sucrose c) Glucose d) Glycogen e) None of these Part - 2 Attempt only five questions. All questions carry equal marks. (50 Marks) Question # 02 : Write shot note on the following by giving their exact life span and contributions to the field of science. ( Accurate fact will be appreciated) (10) a) Al- Beruni b) Ibn- al - Haitham Question # 03: What do you know about hereditary disease ? Comment how they are transferred from parents to offsprings ? (10) Question # 04: Write briefly any five of the following: (Answer in three or four sentences) (10) a) Plaster of Paris b) Reflex Action c) Pace Maker d) Swine flue e) Microwave oven f) Internet g) Voltage Stabilizer Question # 05: A) What is global warming ? Is there any a sunny side to global warming? If yes, explain. (5) B) What makes the seasons happen ? (5) Question # 06: In which region of the world , the following animals are found? Give two main characteristics of each. (10) a) blind dolpin b) Kangaroo c) panda d) Kiwi e) Penguin Question # 07: A) In which organ these parts are present in animals or human body ? (5) B) Describe the function of each briefly : (5) 1. Coronary artery 2. Sino- Auricular Node 3. Aortic valve 4. Auricle Question # 08: Differentiate between the following pairs: a) Hydrometer and Hygrometer b) Perimeter and Telemeter c) Isotopes and Isomers d) Flying mammal and Bird e) Vertebrates and Invertebrates Question # 09: A) What are pesticides? Explain how these are dangerous to human beings? B) What do the following scientific abbreviations stand for? 1) STP 2) LORAN 3) SONAR 4) MAF 5) MeV 6) MASER 7) AWACS 8) CCTV 1) STP: Standard Temperature and Pressure 2) LORAN: Long Range Navigation 3) SONAR: Sound Navigation and Ranging 4) MAF: Million Acre Feet 5) MeV: Million Electron Volt, Mega electron Volt 6) MASER: Microwave Amplification By Stimulated Emission of Radiation 7) AWACS: Airborne Warning and Controlling System 8) CCTV : Closed Circuit Tele Vision |
#70
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mcq n0 43 ans is hermaphrotidism
bcz it means having both sex organs in one body so they can reproduce sexually
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