❏ Read More ... Reading Comprehension Modern Indian History MCQ General Science Questions for Competitive Exams 100+ general science que...
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General Science Questions for Competitive Exams
100+ general science questions with answers
Q1. The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of?
(A) Eight Binary Digits
(B) Eight Decimal Digits
(C) Two Binary Digits
(D) Two Decimal Digits
Answer. (C) Two Binary Digits
Q2. Which of the following do not belong to the GSM family of wireless technologies?
(A) EDGE
(B) LTE
(C) DSL
(D) Both EDGE And LTE
Answer. (C) DSL
Q3. Which of the following statements is true?
(A) Minicomputer Works Faster Than Micro-Computer
(B) Microcomputer Works Faster Than Mini-Computer
(C) Speed of Both the Computers Is the Same
(D) The Speeds of Both These Computers Cannot Be Compared with The Speed of Advanced
Answer. (A) Minicomputer Works Faster Than Micro-Computer
Q4. Which one among the followin1g is the fastest Indian Supercomputer recently developed by ISRO?
(A) Aakash A-L
(B) Saga 220
(C) Jaguar-Cray
(D) Tianhe-IA
Answer. (B) Saga 220
Q5. The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as?
(A) CISC
(B) RISC
(C) CD-ROM
(D) Wi-Fi
Answer. (B) RISC
Q6. Personal computers use a number of chips mounted on the main circuit board. What is the common name for such boards?
(A) Daughter Board
(B) Mother Board
(C) Father Board
(D) Bread Board
Answer. (B) MotherBoard
Q7. In the latest generation computers, the instructions are executed?
(A) Parallel Only
(B) Sequentially Only
(C) Both Sequentially and Parallel
(D) All of the Above
Answer. (C) Both Sequentially and Parallel
Q8. A rubber ball dropped from 24 m height loses its kinetic energy by 25%. What is the height to which it rebounds?
(A) 6 M
(B) 12 M
(C) 18 M
(D) 24 M
Answer. (C) 18 M
Q9. Mr. X was advised by an architect to make the outer walls of his house with hollow bricks. The correct reason is that such walls?
(A) Make the Building Stronger
(B) Help Keeping Inside Cooler in Summer and Warmer in Winter
(C) Prevent Seepage of Moisture from Outside
(D) Protect the Building from Lightning
Answer. (B) Help Keeping Inside Cooler in Summer and Warmer in Winter
Q10. Why is the inner lining of hot water geysers made up of copper?
(A) Copper Has Low Heat Capacity
(B) Copper Has High Electrical Conductivity
(C) Copper Does Not React with Steam
(D) Copper Is Good Conductor of Both Heat and Electricity
Answer. (D) Copper Is Good Conductor of Both Heat and Electricity
Q11. In a sitar wire which one of the following types of vibration is produced?
(A) Progressive Longitudinal
(B) Stationary Longitudinal
(C) Progressive Transverse
(D) Stationary Transverse
Answer. (D) Stationary Transverse
Q12. Which one of the following is not electromagnetic in nature?
(A) Cathode-Rays
(B) X-Rays
(C) Gamma-Rays
(D) Infrared-Rays
Answer. (A) Cathode-Rays
Q13. A far-sighted person has a near point at 100 cm. What must be the power of the correcting lens?
(A) – 0.8 D
(B) – 3.0 D
(C) + 0. 8 D
(D) + 3.0 D
Answer. (D) + 3.0 D
Q14. Largest number of neuron cells is present in the human body?
(A) Retina
(B) Spinal Cord
(C) Brain
(D) Tongue
Answer. (C) Brain
Q15. Nucleated part of a nerve cell is called?
(A) Axon
(B) Dendrites
(C) Cayton
(D) None of The Above
Answer. (C) Cayton
Q16. The chief function of vessels in the plant body is?
(A) To Translocate Food Material
(B) To Conduct Water and Mineral Salts
(C) To Support Living Cells
(D) All Above
Answer. (B) To Conduct Water and Mineral Salts
Q17. Which of the following is an epidermal cell?
(A) Guard Cells
(B) Root Hairs
(C) Trichome
(D) All of These
Answer. (D) All of These
Q18. The muscles in the stomach are?
(A) Voluntary
(B) Involuntary
(C) Cardio
(D) None of The Above
Answer. (B) Involuntary
Q19. Cavity or lumen is narrow in?
(A) Sclerenchyma
(B) Parenchyma
(C) Collenchyma
(D) Tracheid’s
Answer. (A) Sclerenchyma
Q20. The output quality of a printer is measured by?
(A) Dot Per Inch
(B) Dot Per Sq. Inch
(C) Dots Printed Per Unit Time
(D) All of the Above
Answer. (B) Dot Per Sq. Inch
Q21. Which of the following devices can be used to directly image printed text?
(A) OCR
(B) OMR
(C) MICR
(D) All of the Above
Answer. (A) OCR
Q22. Which programming languages are classified as low-level languages?
(A) BASIC, COBOL, FORTRAN
(B) Prolog
(C) C, C+
(D) Assembly Languages
Answer. (D) Assembly Languages
Q23. FORTRAN is?
(A) File Translation
(B) Format Translation
(C) Formula Translation
(D) Floppy Translation
Answer. (C) Formula Translation
Q24. What do you call the programs that are used to find out possible faults and their causes?
(A) Operating System Extensions
(B) Cookies
(C) Diagnostic Software
(D) Boot Diskettes
Answer. (C) Diagnostic Software
Q25. What is an embedded system?
(A) The Program Which Arrives by Being Wrapped in Box.
(B) The Program Which Is the Permanent Part of The Computer
(C) The Computer Which Is the Part of a Big Computer
(D) The Computer and Software System That Control the Machine
Answer. (D) The Computer and Software System That Control the Machine
Q26. In the year 2008, which one of the following conducted a complex scientific experiment in which sub-atomic particles were accelerated to nearly the speed of light?
(A) European Space Agency
(B) European Organization for Nuclear Research
(C) International Atomic Energy Agency
(D) National Aeronautics and Space Administration
Answer. (B) European Organization for Nuclear Research
Q27. An iron ball and a wooden ball of the same radius are released from a height ‘in a vacuum. Which of the two balls would take more time to reach the ground?
(A) Iron Ball
(B) Both Would Take Same Time
(C) Wooden Ball
(D) None of These
Answer. (B) Both Would Take Same Time
Q28. When a ship floats on water?
(A) It Displaces No Water
(B) The Mass of Water Displaced Is Equal to The Mass of The Ship
(C) The Mass of Water Displaced Is Lesser Than the Mass of The Ship
(D) The Mass of Water Displaced Is Greater Than the Mass of The Ship
Answer. (D) The Mass of Water Displaced Is Greater Than the Mass of The Ship
Q29. Why do two ice blocks join to form one block when pressed together?
(A) Melting Point of Ice Is Lowered with Increase in Pressure
(B) Melting Point of Ice Increases with Increase in Pressure
(C) Melting Point of Ice Remains Unchanged with Increase in Pressure
(D) Melting Point of Ice Is 0°C
Answer. (A) Melting Point of Ice Is Lowered with Increase in Pressure
Q30. For which one of the following is capillarity, not the reason?
(A) Blotting of Ink
(B) Rising of Underground Water
(C) Spread A Water Drop on A Cotton Cloth
(D) Rising of Water from The Roots of a Plant to Its Foliage
Answer. (B) Rising of Underground Water
Q31. Which type of pen uses capillary action in addition to gravity for the flow of ink?
(A) Fountain Pen
(B) Ballpoint Pen
(C) Gel Pen
(D) Both Ballpoint and Gel Pens
Answer. (A) Fountain Pen
Q32. Flow velocities in an incompressible fluid can be measured with which one of the following?
(A) Barometer
(B) Venturi Tube
(C) Strain Gauge
(D) Manometer
Answer. (B) Venturi Tube
Q33. What is the phenomenon of the moon appearing bigger in size as it approaches the horizon, called?
(A) Atmospheric Refraction of Light
(B) Diffraction of Light
(C) Scattering of Light
(D) Total Internal Reflection of Light by Water Vapors
Answer. (A) Atmospheric Refraction of Light
Q34. Which one among the following is used to make periscope?
(A) Concave Lens
(B) Concave Mirror
(C) Plane Mirror
(D) None of The Above
Answer. (C) Plane Mirror
Q35. An electric lamp of 100 watts is used for 10 hours per day. The ‘units’ of energy consumed in one day by the lamp is?
(A) 1 Unit
(B) 0.1 Unit
(C) 10 Units
(D) 100 Units
Answer. (A) 1 Unit
Q36. Which of the following parts are found in both plant and animal cells?
(A) Cell Membrane, Chloroplast, Vacuole
(B) Cell Wall, Nucleus, Vacuole
(C) Cell Membrane, Cytoplasm, Nucleus
(D) Cell Wall, Chloroplast, Cytoplasm
Answer. (C) Cell Membrane, Cytoplasm, Nucleus
Q37. Which one among the following statements is correct?
(A) Prokaryotic Cells Possess Nucleus
(B) Cell Membrane Is Present Both in Plant and Animal Cells
(C) Mitochondria and Chloroplasts Are Not Found in Eukaryotic Cells
(D) Ribosomes Are Present in Eukaryotic Cells Only
Answer. (B) Cell Membrane Is Present Both in Plant and Animal Cells
Q38. What part of the cell serves as the intracellular highway?
(A) Endoplasmic Reticulum
(B) Golgi Apparatus
(C) Cell Membrane
(D) Mitochondria
Answer. (A) Endoplasmic Reticulum
Q39. Which one of the following is not a genetic disorder?
(A) Color Blindness
(B) Down’s Syndrome
(C) Hemophilia
(D) Xerophthalmia
Answer. (D) Xerophthalmia
Q40. Which one of the following genetic diseases is sex-linked?
(A) Royal Hemophilia
(B) Tay-Sachs Disease
(C) Cystic Fibrosis
(D) Hypertension
Answer. (A) Royal Hemophilia
Q41. Another blood group O has a group O child. What could be the blood group of fathers of the child?
(A) Only O
(B) A or B Or O
(C) A Or B
(D) Only AB
Answer. (B) A or B Or O
Q42. Between which one of the following sets of blood groups, is the blood transfusion possible?
(A) A And O
(B) B And A
(C) A And AB
(D) AB And O
Answer. (C) A And AB
Q43. The process of channel coding, Encryption, Multiplexing, and modulation for Trans direction and reverse for reception are to be carried out by?
(A) BTS
(B) BSC
(C) MSC
(D) MS
Answer. (A) BTS
Q44. Which types of handoff are used in CDMA?
(A) Soft Handoff
(B) Hard Handoff
(C) Soft & Hard Handoff
(D) None of The Above
Answer. (A) Soft Handoff
Q45. ISRO successfully conducted a rocket test using cryogenic engines in the year 2007. Where is the test stand used for the purpose, located?
(A) Balasore
(B) Thiruvananthapuram
(C) Mahendragiri
(D) Karwar
Answer. (C) Mahendragiri
Q46. Which one of the following is a spacecraft?
(A) Apophis
(B) Cassini
(C) Spitzer
(D) TechStars
Answer. (B) Cassini
Q47. What is the purpose of the US Space Agency’s Themis Mission, which was recently in the news?
(A) To Study the Possibility of Life on Mars
(B) To Study the Satellites of Saturn
(C) To Study the Colorful of Display of High Latitude Skies
(D) To Build A Space Laboratory to Study the Stellar Explosions
Answer. (C) To Study the Colorful of Display of High Latitude Skies
Q48. Which of the following is not associated with solar energy?
(A) Fossil Fuel
(B) Hydel Energy
(C) Geothermal Energy
(D) Wind Energy
Answer. (B) Hydel Energy
Q49. Which of the following is an optional form of energy?
(A) Geothermal Energy
(B) Natural Gas
(C) Petroleum
(D) Hydrogen
Answer. (A) Geothermal Energy
Q50. Energy can neither be created nor be destroyed, but it can be changed from one form to another. This law is known as?
(A) Kinetic Energy
(B) Potential Energy
(C) Conservation of Energy
(D) Conservation Principle
Answer. (C) Conservation of Energy
Q51. Uses the Sun’s energy to heat something directly?
(A) Biomass Fuel
(B) Passive Solar Heating
(C) Active Solar Heating
(D) Geothermal Energy
Answer. (B) Passive Solar Heating
Q52. The use of temperature differences in ocean water to produce electricity?
(A) Active Solar Heating
(B) Ocean Thermal Energy Conversion (OTEC)
(C) Geothermal Energy
(D) Fuel Cell
Answer. (B) Ocean Thermal Energy Conversion (OTEC)
Q53. Which of the following is not a fundamental unit?
(A) Newton
(B) Kilogram
(C) Meter
(D) Second
Answer. (A) Newton
Q54. The Government of India is planning to establish a new independent nuclear safety regulatory authority. Who among the following will head this new authority?
(A) Prime Minister
(B) President
(C) Minister of Science & Technology
(D) A Professional with Extensive Experience in Atomic Energy
Answer. (d) A professional with extensive experience in atomic energy
Q55. Scientists at the Indira Gandhi Center for Atomic Research, Kalpak am, have successfully extended the life of the Fast Breeder Test Reactor (FBTR) by another 20 years. This Centre is located in?
(A) Karnataka
(B) Gujarat
(C) Maharashtra
(D) Tamil Nadu
Answer. (D) Tamil Nadu
Q56. What types of handover are supported in LTE?
(A) Hard Handover Only
(B) Hard and Soft Handovers
(C) Hard, Soft, and Softer Handovers
(D) Handover Is Not Supported
Answer. (A) Hard Handover Only
Q57. Commonly used mode for 3G networks is?
(A) TDMA
(B) FDMA
(C) TDD (Time-Division Du-Plexin)
(D) FDD (Frequency-Division Du-Plexin)
Answer. (D) FDD (Frequency-Division Du-Plexin)
Q58. Communication in traditional cable TV networks is?
(A) 180-Degree Direction
(B) Omni Directional
(C) Bidirectional
(D) Unidirectional
Answer. (D) Unidirectional
Q59. Coaxial cable has a bandwidth that ranges from?
(A) 5- 750 MHz
(B) 10-300 MHz
(C) 5-550 MHz
(D) 10-3000 MHz
Answer. (A) 5- 750 MHz
Q60. Who proposed that the first form of life comes from preexisting non-living molecules?
(A) Oparin And Haldane
(B) De Vries And Haldane
(C) Darwin And Lamarck
(D) Louis Pasteur and Miller
Answer. (A) Oparin And Haldane
Q61. Which one of the following processes releases a carbon dioxide molecule?
(A) Glycolysis
(B) Lactic Acid Fermentation
(C) Alcohol Fermentation
(D) Hydrolysis of Glycogen
Answer. (C) Alcohol Fermentation
Q62. Total number of ATP consume during Krebs’s cycle is?
(A) 0
(B) 1
(C) 2
(D) 3
Answer. (A) 0
Q63. Meristematic tissues are found in?
(A) Only Stems of The Plants
(B) Both Roots and Stems
(C) In All Growing Tips of The Plant Body
(D) Only Roots of The Plants
Answer. (C) In All Growing Tips of The Plant Body
Q64. The process of formation of blood corpuscles is called?
(A) Hemopoiesis
(B) Hemolysis
(C) Hemozoin
(D) None of These
Answer. (A) Hemopoiesis
Q65. Which tissue does lack blood supply and heals slowly?
(A) Nervous
(B) Muscle
(C) Cartilage
(D) Bone
Answer. (C) Cartilage
Q66. Nervous tissue is not found in?
(A) Brain
(B) Spinal Cord
(C) Tendons
(D) Nerves
Answer. (C) Tendons
Q67. A surge of which hormone stimulates ovulation in human females?
(A) Luteinizing Hormone
(B) Estrogen
(C) Follicle Stimulating Hormone
(D) Progesterone
Answer. (A) Luteinizing Hormone
Q68. Which one of the following is an enzyme?
(A) Gastrin
(B) Keratin
(C) Trypsin
(D) Vasopressin
Answer. (C) Trypsin
Q69. Which one of the following is not a dimensionless quantity?
(A) Strain
(B) Relative Density
(C) Frequency
(D) Angle
Answer. (C) Frequency
Q70. Which one of the following remains constant while throwing a ball upward?
(A) Displacement
(B) Kinetic Energy
(C) Acceleration
(D) Velocity
Answer. (C) Acceleration
Q71. The main power supply in India is at 220 V, whereas that in the US is at 110 V. Which one among the following statements in this regard is correct?
(A) 110 V Is Safer but More Expensive to Maintain
(B) 110 V Is Safer and Cheaper to Maintain
(C) 110 V Leads to Lower Power Loss
(D) 110 V Works Better at Higher Latitudes
Answer. (A) 110 V Is Safer but More Expensive to Maintain
Q72. Chadwick was awarded the 1935 Nobel prize in physics for his discovery of the?
(A) Electron
(B) Proton
(C) Neutron
(D) Positron
Answer. (C) Neutron
Q73. The neutron, proton, electron, and alpha particles are moving with equal kinetic energies. How can the particles be arranged in the increasing order of their velocities?
(A) Alpha Particle-Neutron-Proton- Electron
(B) Proton-Electron-Neutron-Alpha Particle
(C) Electron-Proton-Neutron-Alpha Particle
(D) Neutron-Proton-Electron-Alpha Particle
Answer. (A) Alpha Particle-Neutron-Proton- Electron
Q74. Which one among the following radiations carries maximum energy?
(A) Ultraviolet Rays
(B) Gamma-Rays
(C) X-Rays
(D) Infra-Red Rays
Answer. (B) Gamma-Rays
Q75. Which organelle in the cell, other than the nucleus, contains DNA?
(A) Endoplasmic Reticulum
(B) Golgi Apparatus
(C) Lysosome
(D) Mitochondria
Answer. (D) Mitochondria
Q76. Which one among the following is not correct about Down’s syndrome?
(A) It Is A Genetic Disorder
(B) Affected Individual Has Early Ageing
(C) Affected Person Has Mental Retardation
(D) Affected Person Has Furrowed Tongue with Open Mouth
Answer. (B) Affected Individual Has Early Ageing
Q77. To which of the following types of animals are Salamanders closely related?
(A) Dolphins and Whales
(B) Frogs and Toads
(C) Prawns and Crabs
(D) Seals and Walruses
Answer. (B) Frogs and Toads
Q78. In terms of the evolution of organisms, which one among the following is the most advanced?
(A) Bat
(B) Pigeon
(C) Shark
(D) Vulture
Answer. (A) Bat
Q79. What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
(A) Shortening of Jaws
(B) Binocular Vision
(C) Increasing Cranial Capacity
(D) Upright Posture
Answer. (C) Increasing Cranial Capacity
Q80. The type of Access technology that can enhance the battery life is?
(A) CDMA
(B) TDMA
(C) OFDMA
(D) None of The Above
Answer. (B) TDMA
Q81. Which one of the following pairs does not have the same dimension?
(A) Potential Energy and Kinetic Energy
(B) Density and Specific Gravity
(C) Focal Length and Height
(D) Gravitational Force and Frictional Force
Answer. (B) Density and Specific Gravity
Q82. Which one of the following is responsible for converting milk into curd?
(A) Fungi
(B) Bacteria
(C) Virus
(D) None of These
Answer. (B) Bacteria
Q83. Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enables them to resemble with which of the following?
(A) Fungi
(B) Algae
(C) Pteridophytes
(D) Angiosperms
Answer. (B) Algae
Q84. Which one of the following is a free-living bacterium that helps in nitrogen fixation in soil?
(A) Azotobacter
(B) Anabaena
(C) Azolla
(D) Nostoc
Answer. (A) Azotobacter
Q85. Which one among the following groups of animals maintains constant body temperature in changing environmental conditions?
(A) Birds
(B) Fishes
(C) Amphibians
(D) Reptiles
Answer. (A) Birds
Q86. Among the following animals, choose the one having three pairs of legs?
(A) Spider
(B) Scorpion
(C) Bug
(D) Mite
Answer. (C) Bug
Q87. Which of the following group is present in animal cells?
(A) Mitochondria, Cell Membrane, Cell Wall, Cytoplasm
(B) Chloroplasts, Cytoplasm, Vacuole, Nucleus
(C) Nucleus, Cell Membrane, Mitochondria, Cytoplasm
(D) Vacuole, Cell Membrane, Nucleus, Mitochondria
Answer. (C) Nucleus, Cell Membrane, Mitochondria, Cytoplasm
(A) Eight Binary Digits
(B) Eight Decimal Digits
(C) Two Binary Digits
(D) Two Decimal Digits
Answer. (C) Two Binary Digits
Q2. Which of the following do not belong to the GSM family of wireless technologies?
(A) EDGE
(B) LTE
(C) DSL
(D) Both EDGE And LTE
Answer. (C) DSL
Q3. Which of the following statements is true?
(A) Minicomputer Works Faster Than Micro-Computer
(B) Microcomputer Works Faster Than Mini-Computer
(C) Speed of Both the Computers Is the Same
(D) The Speeds of Both These Computers Cannot Be Compared with The Speed of Advanced
Answer. (A) Minicomputer Works Faster Than Micro-Computer
Q4. Which one among the followin1g is the fastest Indian Supercomputer recently developed by ISRO?
(A) Aakash A-L
(B) Saga 220
(C) Jaguar-Cray
(D) Tianhe-IA
Answer. (B) Saga 220
Q5. The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as?
(A) CISC
(B) RISC
(C) CD-ROM
(D) Wi-Fi
Answer. (B) RISC
Q6. Personal computers use a number of chips mounted on the main circuit board. What is the common name for such boards?
(A) Daughter Board
(B) Mother Board
(C) Father Board
(D) Bread Board
Answer. (B) MotherBoard
Q7. In the latest generation computers, the instructions are executed?
(A) Parallel Only
(B) Sequentially Only
(C) Both Sequentially and Parallel
(D) All of the Above
Answer. (C) Both Sequentially and Parallel
Q8. A rubber ball dropped from 24 m height loses its kinetic energy by 25%. What is the height to which it rebounds?
(A) 6 M
(B) 12 M
(C) 18 M
(D) 24 M
Answer. (C) 18 M
Q9. Mr. X was advised by an architect to make the outer walls of his house with hollow bricks. The correct reason is that such walls?
(A) Make the Building Stronger
(B) Help Keeping Inside Cooler in Summer and Warmer in Winter
(C) Prevent Seepage of Moisture from Outside
(D) Protect the Building from Lightning
Answer. (B) Help Keeping Inside Cooler in Summer and Warmer in Winter
Q10. Why is the inner lining of hot water geysers made up of copper?
(A) Copper Has Low Heat Capacity
(B) Copper Has High Electrical Conductivity
(C) Copper Does Not React with Steam
(D) Copper Is Good Conductor of Both Heat and Electricity
Answer. (D) Copper Is Good Conductor of Both Heat and Electricity
Q11. In a sitar wire which one of the following types of vibration is produced?
(A) Progressive Longitudinal
(B) Stationary Longitudinal
(C) Progressive Transverse
(D) Stationary Transverse
Answer. (D) Stationary Transverse
Q12. Which one of the following is not electromagnetic in nature?
(A) Cathode-Rays
(B) X-Rays
(C) Gamma-Rays
(D) Infrared-Rays
Answer. (A) Cathode-Rays
Q13. A far-sighted person has a near point at 100 cm. What must be the power of the correcting lens?
(A) – 0.8 D
(B) – 3.0 D
(C) + 0. 8 D
(D) + 3.0 D
Answer. (D) + 3.0 D
Q14. Largest number of neuron cells is present in the human body?
(A) Retina
(B) Spinal Cord
(C) Brain
(D) Tongue
Answer. (C) Brain
Q15. Nucleated part of a nerve cell is called?
(A) Axon
(B) Dendrites
(C) Cayton
(D) None of The Above
Answer. (C) Cayton
Q16. The chief function of vessels in the plant body is?
(A) To Translocate Food Material
(B) To Conduct Water and Mineral Salts
(C) To Support Living Cells
(D) All Above
Answer. (B) To Conduct Water and Mineral Salts
Q17. Which of the following is an epidermal cell?
(A) Guard Cells
(B) Root Hairs
(C) Trichome
(D) All of These
Answer. (D) All of These
Q18. The muscles in the stomach are?
(A) Voluntary
(B) Involuntary
(C) Cardio
(D) None of The Above
Answer. (B) Involuntary
Q19. Cavity or lumen is narrow in?
(A) Sclerenchyma
(B) Parenchyma
(C) Collenchyma
(D) Tracheid’s
Answer. (A) Sclerenchyma
Q20. The output quality of a printer is measured by?
(A) Dot Per Inch
(B) Dot Per Sq. Inch
(C) Dots Printed Per Unit Time
(D) All of the Above
Answer. (B) Dot Per Sq. Inch
Q21. Which of the following devices can be used to directly image printed text?
(A) OCR
(B) OMR
(C) MICR
(D) All of the Above
Answer. (A) OCR
Q22. Which programming languages are classified as low-level languages?
(A) BASIC, COBOL, FORTRAN
(B) Prolog
(C) C, C+
(D) Assembly Languages
Answer. (D) Assembly Languages
Q23. FORTRAN is?
(A) File Translation
(B) Format Translation
(C) Formula Translation
(D) Floppy Translation
Answer. (C) Formula Translation
Q24. What do you call the programs that are used to find out possible faults and their causes?
(A) Operating System Extensions
(B) Cookies
(C) Diagnostic Software
(D) Boot Diskettes
Answer. (C) Diagnostic Software
Q25. What is an embedded system?
(A) The Program Which Arrives by Being Wrapped in Box.
(B) The Program Which Is the Permanent Part of The Computer
(C) The Computer Which Is the Part of a Big Computer
(D) The Computer and Software System That Control the Machine
Answer. (D) The Computer and Software System That Control the Machine
Q26. In the year 2008, which one of the following conducted a complex scientific experiment in which sub-atomic particles were accelerated to nearly the speed of light?
(A) European Space Agency
(B) European Organization for Nuclear Research
(C) International Atomic Energy Agency
(D) National Aeronautics and Space Administration
Answer. (B) European Organization for Nuclear Research
Q27. An iron ball and a wooden ball of the same radius are released from a height ‘in a vacuum. Which of the two balls would take more time to reach the ground?
(A) Iron Ball
(B) Both Would Take Same Time
(C) Wooden Ball
(D) None of These
Answer. (B) Both Would Take Same Time
Q28. When a ship floats on water?
(A) It Displaces No Water
(B) The Mass of Water Displaced Is Equal to The Mass of The Ship
(C) The Mass of Water Displaced Is Lesser Than the Mass of The Ship
(D) The Mass of Water Displaced Is Greater Than the Mass of The Ship
Answer. (D) The Mass of Water Displaced Is Greater Than the Mass of The Ship
Q29. Why do two ice blocks join to form one block when pressed together?
(A) Melting Point of Ice Is Lowered with Increase in Pressure
(B) Melting Point of Ice Increases with Increase in Pressure
(C) Melting Point of Ice Remains Unchanged with Increase in Pressure
(D) Melting Point of Ice Is 0°C
Answer. (A) Melting Point of Ice Is Lowered with Increase in Pressure
Q30. For which one of the following is capillarity, not the reason?
(A) Blotting of Ink
(B) Rising of Underground Water
(C) Spread A Water Drop on A Cotton Cloth
(D) Rising of Water from The Roots of a Plant to Its Foliage
Answer. (B) Rising of Underground Water
Q31. Which type of pen uses capillary action in addition to gravity for the flow of ink?
(A) Fountain Pen
(B) Ballpoint Pen
(C) Gel Pen
(D) Both Ballpoint and Gel Pens
Answer. (A) Fountain Pen
Q32. Flow velocities in an incompressible fluid can be measured with which one of the following?
(A) Barometer
(B) Venturi Tube
(C) Strain Gauge
(D) Manometer
Answer. (B) Venturi Tube
Q33. What is the phenomenon of the moon appearing bigger in size as it approaches the horizon, called?
(A) Atmospheric Refraction of Light
(B) Diffraction of Light
(C) Scattering of Light
(D) Total Internal Reflection of Light by Water Vapors
Answer. (A) Atmospheric Refraction of Light
Q34. Which one among the following is used to make periscope?
(A) Concave Lens
(B) Concave Mirror
(C) Plane Mirror
(D) None of The Above
Answer. (C) Plane Mirror
Q35. An electric lamp of 100 watts is used for 10 hours per day. The ‘units’ of energy consumed in one day by the lamp is?
(A) 1 Unit
(B) 0.1 Unit
(C) 10 Units
(D) 100 Units
Answer. (A) 1 Unit
Q36. Which of the following parts are found in both plant and animal cells?
(A) Cell Membrane, Chloroplast, Vacuole
(B) Cell Wall, Nucleus, Vacuole
(C) Cell Membrane, Cytoplasm, Nucleus
(D) Cell Wall, Chloroplast, Cytoplasm
Answer. (C) Cell Membrane, Cytoplasm, Nucleus
Q37. Which one among the following statements is correct?
(A) Prokaryotic Cells Possess Nucleus
(B) Cell Membrane Is Present Both in Plant and Animal Cells
(C) Mitochondria and Chloroplasts Are Not Found in Eukaryotic Cells
(D) Ribosomes Are Present in Eukaryotic Cells Only
Answer. (B) Cell Membrane Is Present Both in Plant and Animal Cells
Q38. What part of the cell serves as the intracellular highway?
(A) Endoplasmic Reticulum
(B) Golgi Apparatus
(C) Cell Membrane
(D) Mitochondria
Answer. (A) Endoplasmic Reticulum
Q39. Which one of the following is not a genetic disorder?
(A) Color Blindness
(B) Down’s Syndrome
(C) Hemophilia
(D) Xerophthalmia
Answer. (D) Xerophthalmia
Q40. Which one of the following genetic diseases is sex-linked?
(A) Royal Hemophilia
(B) Tay-Sachs Disease
(C) Cystic Fibrosis
(D) Hypertension
Answer. (A) Royal Hemophilia
Q41. Another blood group O has a group O child. What could be the blood group of fathers of the child?
(A) Only O
(B) A or B Or O
(C) A Or B
(D) Only AB
Answer. (B) A or B Or O
Q42. Between which one of the following sets of blood groups, is the blood transfusion possible?
(A) A And O
(B) B And A
(C) A And AB
(D) AB And O
Answer. (C) A And AB
Q43. The process of channel coding, Encryption, Multiplexing, and modulation for Trans direction and reverse for reception are to be carried out by?
(A) BTS
(B) BSC
(C) MSC
(D) MS
Answer. (A) BTS
Q44. Which types of handoff are used in CDMA?
(A) Soft Handoff
(B) Hard Handoff
(C) Soft & Hard Handoff
(D) None of The Above
Answer. (A) Soft Handoff
Q45. ISRO successfully conducted a rocket test using cryogenic engines in the year 2007. Where is the test stand used for the purpose, located?
(A) Balasore
(B) Thiruvananthapuram
(C) Mahendragiri
(D) Karwar
Answer. (C) Mahendragiri
Q46. Which one of the following is a spacecraft?
(A) Apophis
(B) Cassini
(C) Spitzer
(D) TechStars
Answer. (B) Cassini
Q47. What is the purpose of the US Space Agency’s Themis Mission, which was recently in the news?
(A) To Study the Possibility of Life on Mars
(B) To Study the Satellites of Saturn
(C) To Study the Colorful of Display of High Latitude Skies
(D) To Build A Space Laboratory to Study the Stellar Explosions
Answer. (C) To Study the Colorful of Display of High Latitude Skies
Q48. Which of the following is not associated with solar energy?
(A) Fossil Fuel
(B) Hydel Energy
(C) Geothermal Energy
(D) Wind Energy
Answer. (B) Hydel Energy
Q49. Which of the following is an optional form of energy?
(A) Geothermal Energy
(B) Natural Gas
(C) Petroleum
(D) Hydrogen
Answer. (A) Geothermal Energy
Q50. Energy can neither be created nor be destroyed, but it can be changed from one form to another. This law is known as?
(A) Kinetic Energy
(B) Potential Energy
(C) Conservation of Energy
(D) Conservation Principle
Answer. (C) Conservation of Energy
Q51. Uses the Sun’s energy to heat something directly?
(A) Biomass Fuel
(B) Passive Solar Heating
(C) Active Solar Heating
(D) Geothermal Energy
Answer. (B) Passive Solar Heating
Q52. The use of temperature differences in ocean water to produce electricity?
(A) Active Solar Heating
(B) Ocean Thermal Energy Conversion (OTEC)
(C) Geothermal Energy
(D) Fuel Cell
Answer. (B) Ocean Thermal Energy Conversion (OTEC)
Q53. Which of the following is not a fundamental unit?
(A) Newton
(B) Kilogram
(C) Meter
(D) Second
Answer. (A) Newton
Q54. The Government of India is planning to establish a new independent nuclear safety regulatory authority. Who among the following will head this new authority?
(A) Prime Minister
(B) President
(C) Minister of Science & Technology
(D) A Professional with Extensive Experience in Atomic Energy
Answer. (d) A professional with extensive experience in atomic energy
Q55. Scientists at the Indira Gandhi Center for Atomic Research, Kalpak am, have successfully extended the life of the Fast Breeder Test Reactor (FBTR) by another 20 years. This Centre is located in?
(A) Karnataka
(B) Gujarat
(C) Maharashtra
(D) Tamil Nadu
Answer. (D) Tamil Nadu
Q56. What types of handover are supported in LTE?
(A) Hard Handover Only
(B) Hard and Soft Handovers
(C) Hard, Soft, and Softer Handovers
(D) Handover Is Not Supported
Answer. (A) Hard Handover Only
Q57. Commonly used mode for 3G networks is?
(A) TDMA
(B) FDMA
(C) TDD (Time-Division Du-Plexin)
(D) FDD (Frequency-Division Du-Plexin)
Answer. (D) FDD (Frequency-Division Du-Plexin)
Q58. Communication in traditional cable TV networks is?
(A) 180-Degree Direction
(B) Omni Directional
(C) Bidirectional
(D) Unidirectional
Answer. (D) Unidirectional
Q59. Coaxial cable has a bandwidth that ranges from?
(A) 5- 750 MHz
(B) 10-300 MHz
(C) 5-550 MHz
(D) 10-3000 MHz
Answer. (A) 5- 750 MHz
Q60. Who proposed that the first form of life comes from preexisting non-living molecules?
(A) Oparin And Haldane
(B) De Vries And Haldane
(C) Darwin And Lamarck
(D) Louis Pasteur and Miller
Answer. (A) Oparin And Haldane
Q61. Which one of the following processes releases a carbon dioxide molecule?
(A) Glycolysis
(B) Lactic Acid Fermentation
(C) Alcohol Fermentation
(D) Hydrolysis of Glycogen
Answer. (C) Alcohol Fermentation
Q62. Total number of ATP consume during Krebs’s cycle is?
(A) 0
(B) 1
(C) 2
(D) 3
Answer. (A) 0
Q63. Meristematic tissues are found in?
(A) Only Stems of The Plants
(B) Both Roots and Stems
(C) In All Growing Tips of The Plant Body
(D) Only Roots of The Plants
Answer. (C) In All Growing Tips of The Plant Body
Q64. The process of formation of blood corpuscles is called?
(A) Hemopoiesis
(B) Hemolysis
(C) Hemozoin
(D) None of These
Answer. (A) Hemopoiesis
Q65. Which tissue does lack blood supply and heals slowly?
(A) Nervous
(B) Muscle
(C) Cartilage
(D) Bone
Answer. (C) Cartilage
Q66. Nervous tissue is not found in?
(A) Brain
(B) Spinal Cord
(C) Tendons
(D) Nerves
Answer. (C) Tendons
Q67. A surge of which hormone stimulates ovulation in human females?
(A) Luteinizing Hormone
(B) Estrogen
(C) Follicle Stimulating Hormone
(D) Progesterone
Answer. (A) Luteinizing Hormone
Q68. Which one of the following is an enzyme?
(A) Gastrin
(B) Keratin
(C) Trypsin
(D) Vasopressin
Answer. (C) Trypsin
Q69. Which one of the following is not a dimensionless quantity?
(A) Strain
(B) Relative Density
(C) Frequency
(D) Angle
Answer. (C) Frequency
Q70. Which one of the following remains constant while throwing a ball upward?
(A) Displacement
(B) Kinetic Energy
(C) Acceleration
(D) Velocity
Answer. (C) Acceleration
Q71. The main power supply in India is at 220 V, whereas that in the US is at 110 V. Which one among the following statements in this regard is correct?
(A) 110 V Is Safer but More Expensive to Maintain
(B) 110 V Is Safer and Cheaper to Maintain
(C) 110 V Leads to Lower Power Loss
(D) 110 V Works Better at Higher Latitudes
Answer. (A) 110 V Is Safer but More Expensive to Maintain
Q72. Chadwick was awarded the 1935 Nobel prize in physics for his discovery of the?
(A) Electron
(B) Proton
(C) Neutron
(D) Positron
Answer. (C) Neutron
Q73. The neutron, proton, electron, and alpha particles are moving with equal kinetic energies. How can the particles be arranged in the increasing order of their velocities?
(A) Alpha Particle-Neutron-Proton- Electron
(B) Proton-Electron-Neutron-Alpha Particle
(C) Electron-Proton-Neutron-Alpha Particle
(D) Neutron-Proton-Electron-Alpha Particle
Answer. (A) Alpha Particle-Neutron-Proton- Electron
Q74. Which one among the following radiations carries maximum energy?
(A) Ultraviolet Rays
(B) Gamma-Rays
(C) X-Rays
(D) Infra-Red Rays
Answer. (B) Gamma-Rays
Q75. Which organelle in the cell, other than the nucleus, contains DNA?
(A) Endoplasmic Reticulum
(B) Golgi Apparatus
(C) Lysosome
(D) Mitochondria
Answer. (D) Mitochondria
Q76. Which one among the following is not correct about Down’s syndrome?
(A) It Is A Genetic Disorder
(B) Affected Individual Has Early Ageing
(C) Affected Person Has Mental Retardation
(D) Affected Person Has Furrowed Tongue with Open Mouth
Answer. (B) Affected Individual Has Early Ageing
Q77. To which of the following types of animals are Salamanders closely related?
(A) Dolphins and Whales
(B) Frogs and Toads
(C) Prawns and Crabs
(D) Seals and Walruses
Answer. (B) Frogs and Toads
Q78. In terms of the evolution of organisms, which one among the following is the most advanced?
(A) Bat
(B) Pigeon
(C) Shark
(D) Vulture
Answer. (A) Bat
Q79. What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
(A) Shortening of Jaws
(B) Binocular Vision
(C) Increasing Cranial Capacity
(D) Upright Posture
Answer. (C) Increasing Cranial Capacity
Q80. The type of Access technology that can enhance the battery life is?
(A) CDMA
(B) TDMA
(C) OFDMA
(D) None of The Above
Answer. (B) TDMA
Q81. Which one of the following pairs does not have the same dimension?
(A) Potential Energy and Kinetic Energy
(B) Density and Specific Gravity
(C) Focal Length and Height
(D) Gravitational Force and Frictional Force
Answer. (B) Density and Specific Gravity
Q82. Which one of the following is responsible for converting milk into curd?
(A) Fungi
(B) Bacteria
(C) Virus
(D) None of These
Answer. (B) Bacteria
Q83. Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enables them to resemble with which of the following?
(A) Fungi
(B) Algae
(C) Pteridophytes
(D) Angiosperms
Answer. (B) Algae
Q84. Which one of the following is a free-living bacterium that helps in nitrogen fixation in soil?
(A) Azotobacter
(B) Anabaena
(C) Azolla
(D) Nostoc
Answer. (A) Azotobacter
Q85. Which one among the following groups of animals maintains constant body temperature in changing environmental conditions?
(A) Birds
(B) Fishes
(C) Amphibians
(D) Reptiles
Answer. (A) Birds
Q86. Among the following animals, choose the one having three pairs of legs?
(A) Spider
(B) Scorpion
(C) Bug
(D) Mite
Answer. (C) Bug
Q87. Which of the following group is present in animal cells?
(A) Mitochondria, Cell Membrane, Cell Wall, Cytoplasm
(B) Chloroplasts, Cytoplasm, Vacuole, Nucleus
(C) Nucleus, Cell Membrane, Mitochondria, Cytoplasm
(D) Vacuole, Cell Membrane, Nucleus, Mitochondria
Answer. (C) Nucleus, Cell Membrane, Mitochondria, Cytoplasm
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