Major Competitive Exams

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Q. Which of the following is an example of convection?
  • A. Heating a metal rod in a flame
  • B. Boiling water in a pot
  • C. Sunlight warming the ground
  • D. Ice melting in a drink
Q. Which of the following is an example of convergent evolution? (1980)
  • A. Darwin's finches
  • B. Whales and fish
  • C. Horses and zebras
  • D. Dogs and wolves
Q. Which of the following is an example of divergent evolution?
  • A. Wings of bats and birds
  • B. Body shape of dolphins and sharks
  • C. Darwin's finches
  • D. Cacti and succulents
Q. Which of the following is an example of ex-situ conservation? (2023)
  • A. National parks
  • B. Wildlife reserves
  • C. Aquariums
  • D. Biosphere reserves
Q. Which of the following is an example of figural memory? (2020)
  • A. Remembering a friend's birthday
  • B. Recalling the capital of a country
  • C. Recognizing a face in a crowd
  • D. Knowing the rules of a game
Q. Which of the following is an example of forced convection?
  • A. Heat transfer in a pot of boiling water
  • B. Heat transfer from a radiator
  • C. Heat transfer from a hot cup of coffee
  • D. Heat transfer in a still air room
Q. Which of the following is an example of fragmentation? (2023)
  • A. Starfish
  • B. Bacteria
  • C. Fungi
  • D. All of the above
Q. Which of the following is an example of heat transfer by radiation?
  • A. Heating a metal rod in a flame
  • B. Sunlight warming the Earth
  • C. Boiling water in a pot
  • D. Heating air in a room
Q. Which of the following is an example of mutualism? (2021)
  • A. A lion hunting a zebra
  • B. Bees pollinating flowers
  • C. A tick feeding on a dog
  • D. A bird eating ticks off a cow
Q. Which of the following is an example of open-source software? (2021)
  • A. Windows 10
  • B. macOS
  • C. Linux
  • D. Adobe Photoshop
Q. Which of the following is an example of optical isomerism?
  • A. Lactic acid
  • B. Butane
  • C. Cyclohexane
  • D. Acetone
Q. Which of the following is an example of physisorption?
  • A. Adsorption of hydrogen on palladium
  • B. Adsorption of water on silica gel
  • C. Adsorption of oxygen on activated charcoal
  • D. Adsorption of ammonia on copper
Q. Which of the following is an example of physisorption? (2021) 2021
  • A. Adsorption of hydrogen on palladium
  • B. Adsorption of water on silica gel
  • C. Adsorption of oxygen on activated charcoal
  • D. Adsorption of ammonia on copper
Q. Which of the following is an example of sexual reproduction? (2023)
  • A. Budding in hydra
  • B. Fission in amoeba
  • C. Pollination in flowering plants
  • D. Regeneration in planaria
Q. Which of the following is an example of structural isomerism?
  • A. Cis-2-butene and trans-2-butene
  • B. 1-bromopropane and 2-bromopropane
  • C. Glucose and fructose
  • D. 1,2-dichloroethane and 1,1-dichloroethane
Q. Which of the following is an example of sublimation? (2022)
  • A. Ice melting
  • B. Dry ice turning into gas
  • C. Water boiling
  • D. Salt dissolving in water
Q. Which of the following is an example of system software?
  • A. Microsoft Excel
  • B. Windows
  • C. Mozilla Firefox
  • D. Photoshop
Q. Which of the following is an example of tautomeric isomerism?
  • A. Acetaldehyde and Ethanol
  • B. Acetone and Propan-2-ol
  • C. Keto-enol tautomerism
  • D. Cis and Trans isomers
Q. Which of the following is an example of thermal expansion? (2021)
  • A. A balloon inflating when heated
  • B. Ice melting in water
  • C. Water boiling
  • D. A metal rod contracting in cold
Q. Which of the following is an extensive property?
  • A. Temperature
  • B. Pressure
  • C. Volume
  • D. Density
Q. Which of the following is an identity matrix? (2019)
  • A. [[1, 0], [0, 1]]
  • B. [[1, 1], [1, 1]]
  • C. [[0, 1], [1, 0]]
  • D. [[2, 0], [0, 2]]
Q. Which of the following is an identity?
  • A. sin^2 x + cos^2 x = 1
  • B. tan x = sin x / cos x
  • C. sec x = 1/cos x
  • D. All of the above
Q. Which of the following is an input device? (2020)
  • A. Monitor
  • B. Keyboard
  • C. Printer
  • D. Speaker
Q. Which of the following is an irrational number?
  • A. √4
  • B. √2
  • C. 0.25
  • D. 1
Q. Which of the following is an operating system?
  • A. Microsoft Word
  • B. Linux
  • C. Adobe Photoshop
  • D. Google Chrome
Q. Which of the following is asexual reproduction? (2019)
  • A. Budding in hydra
  • B. Fertilization in frogs
  • C. Pollination in flowering plants
  • D. Binary fission in amoeba
Q. Which of the following is awarded for excellence in architecture?
  • A. Pritzker Prize
  • B. Nobel Prize
  • C. Grammy Award
  • D. Tony Award
Q. Which of the following is considered a factor of production? (2022)
  • A. Money
  • B. Land
  • C. Government
  • D. Trade
Q. Which of the following is considered a peripheral device? (2020)
  • A. Motherboard
  • B. RAM
  • C. Printer
  • D. CPU
Q. Which of the following is considered the brain of the computer?
  • A. RAM
  • B. CPU
  • C. Hard Drive
  • D. Motherboard
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