Everyday Science Mcqs (2021)

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Computer Mcqs (754)

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• For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
1. also decrease
2. increase
3. remains constant
4. none of these
• The lifespan of Red Blood Cells is __________ days?
1. 60
2. 120
3. 180
4. 240
• Deficiency of Vitamin-A results in __________?
1. Night blindness
2. rickets
3. scurvy
4. hair fall
• Long-sight defect could be corrected by using __________ lens?
1. concave
2. Convex
3. diverging
4. none of these
• Severe deficiency of Vitamin D results in __________.
1. scurvy
2. rickets
3. night blindness
4. None of these
• Which is the outermost planet in the solar system?
1. Mercury
2. Pluto
3. Neptune
4. Uranus
• Which shortcut key will shutdown your computer?
1. Alt+F4
2. Ctrl+F5
3. Ctrl+F4
4. Alt+F5
• Who discovered Uranus__________?
1. William Caxton
2. John Davise
3. Herschel
4. Shellay
• Which of following is the disease of eyes.?
1. Trachoma
2. Glaucoma
3. Cataract
4. All of these
• How many layers does sun have ?
1. 6
2. 4
3. 7
4. 3
• What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same?
1. It would remain the same
2. It would increase by a factor of 2sqrt{2}2​
3. It would double
4. It would decrease by a factor of 2sqrt{2}2
• For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________?
1. Less than the gravitational potential energy of the body
2. Equal to the gravitational potential energy of the body
3. Greater than the gravitational potential energy of the body
4. None of the above
• Which of the following statements is true about escape velocity?
1. Escape velocity is independent of the mass of the planet
2. Escape velocity is independent of the mass of the escaping object
3. Escape velocity decreases with an increase in the radius of the planet
4. Escape velocity depends on the shape of the planet
• If a rocket is launched with a velocity less than the escape velocity of Earth, it will:
1. Escape the Earth';s gravitational field
2. Enter into an elliptical orbit around the Earth
3. Fall back to Earth
4. Travel to another planet
• On the Moon, the escape velocity is: __________?
1. Less than on Earth due to its lower mass and smaller radius
2. More than on Earth due to its smaller radius
3. The same as on Earth because escape velocity is a constant
4. Dependent on the time of day
• Escape velocity depends on ________?
1. Mass of the object trying to escape
2. Radius of the planet or celestial body
3. Both mass and radius of the planet or celestial body
4. The velocity of the rotating planet
• What is the escape velocity on Earth?
1. 7.9 km/s
2. 9.8 km/s
3. 11.2 km/s
4. 12.4 km/s
• Pen and a home which will need more velocity to escape from the earth?
1. pen needs less velocity
2. home needs more velocity
3. both need the same velocity
4. none
• ';Magnetometer'; is used to measure: ______________?
1. Air Pressure on Ships
2. Electromagnetic Force in Space Devices
3. Changes in the Earth';s Magnetic Field
4. Changes in Oceanic Current
• Alzheimer';s disease is a _________ disorder.
1. Genetic
2. Brain
3. Eye
4. Body Weight Loss
• ';Cyborg'; term mostly used in Science-fiction movies describes:
1. A human being whose physiological functions are aided by artificial means
2. A Bionic Human
3. An individual with artificial parts
4. All of Above
• ';Alba'; was a genetically modified ';glowing'; ___ created as an artistic work by contemporary artist Eduardo Kac.
1. Sheep
2. Dog
3. Rabbit
4. Mouse
• Locked-in syndrome (LiS) is which type of disorder?
1. Developmental
2. Neurological
3. Hormonic
4. Genetic
• Which One of the Following Is Not a Greenhouse Gas?
1. Methane
2. Hydrogen
3. Nitrous oxide
4. Ozone
• which type of rock is made from molten(Fire) material within the earth surface?
1. Sedimentary rock
2. Schist rock
3. Igneous rock
4. Metamorphic rock