100 MCQs - Cell, SI Units, Vitamins, Atmosphere & Photo-Style GK
1. What is the basic unit of life?
A) TissueB) Organ
C) Cell
D) Atom
2. Who discovered the cell?
A) NewtonB) Robert Hooke
C) Darwin
D) Einstein
3. Power is measured in which SI unit?
A) JouleB) Watt
C) Newton
D) Pascal
4. Which vitamin helps in blood clotting?
A) Vitamin AB) Vitamin D
C) Vitamin K
D) Vitamin C
5. Which layer of atmosphere contains ozone?
A) TroposphereB) Stratosphere
C) Mesosphere
D) Thermosphere
6. Which gas is used in electric bulbs?
A) FloatB) String
C) Integer
D) Character
7. Which cell organelle is known as powerhouse?
A) NucleusB) Ribosome
C) Mitochondria
D) Vacuole
8. SI unit of force is?
A) JouleB) Newton
C) Kelvin
D) Meter
9. Deficiency of Vitamin C causes?
A) RicketsB) Scurvy
C) Night blindness
D) Beriberi
10. Lowest layer of atmosphere is?
A) MesosphereB) Troposphere
C) Exosphere
D) Thermosphere
11. Which metal rusts easily?
A) FloatB) Integer
C) Character
D) Boolean
12. Nucleus controls?
A) DigestionB) Respiration
C) Cell activities
D) Movement
13. SI unit of temperature is?
A) CelsiusB) Fahrenheit
C) Kelvin
D) Joule
14. Vitamin D helps absorption of?
A) IronB) Calcium
C) Sodium
D) Potassium
15. Hottest atmospheric layer is?
A) ThermosphereB) Troposphere
C) Mesosphere
D) Stratosphere
16. TRUE or FALSE type is called?
A) FloatB) Integer
C) Boolean
D) String
17. Cell wall is present in?
A) Animal cellB) Plant cell
C) Blood cell
D) Nerve cell
18. SI unit of energy is?
A) NewtonB) Joule
C) Pascal
D) Watt
19. Night blindness is caused by deficiency of?
A) Vitamin AB) Vitamin B
C) Vitamin C
D) Vitamin K
20. Weather changes occur in?
A) ExosphereB) Troposphere
C) Mesosphere
D) Thermosphere
21. Which data type stores text?
A) IntegerB) Float
C) String
D) Boolean
22. Cytoplasm is found in?
A) CellB) Tissue
C) Bone
D) Blood
23. SI unit of pressure is?
A) NewtonB) Pascal
C) Joule
D) Watt
24. Beriberi is caused by deficiency of?
A) Vitamin B1B) Vitamin D
C) Vitamin C
D) Vitamin E
25. Ozone layer protects from?
A) RainB) UV rays
C) Dust
D) Wind
26. Which data type stores a single character?
A) StringB) Char
C) Integer
D) Float
27. Ribosomes help in?
A) DigestionB) Protein synthesis
C) Breathing
D) Excretion
28. SI unit of current is?
A) VoltB) Ohm
C) Ampere
D) Watt
29. Vitamin E is important for?
A) Skin and reproductionB) Bones
C) Teeth
D) Blood clotting
30. Coldest layer of atmosphere is?
A) TroposphereB) Mesosphere
C) Thermosphere
D) Exosphere
31. SI unit of length is?
A) KilometerB) Meter
C) Centimeter
D) Foot
32. SI unit of mass is?
A) GramB) Pound
C) Kilogram
D) Tonne
33. SI unit of time is?
A) HourB) Minute
C) Second
D) Day
34. SI unit of luminous intensity is?
A) CandelaB) Mole
C) Kelvin
D) Joule
35. SI unit of amount of substance is?
A) MoleB) Gram
C) Joule
D) Newton
36. Which vitamin is water soluble?
A) Vitamin AB) Vitamin D
C) Vitamin C
D) Vitamin K
37. Rickets is caused by deficiency of?
A) Vitamin BB) Vitamin D
C) Vitamin C
D) Vitamin A
38. Exosphere is the _____ layer.
A) LowestB) Middle
C) Uppermost
D) Coldest
39. Which organelle contains chlorophyll?
A) VacuoleB) Chloroplast
C) Ribosome
D) Nucleus
40. SI unit of frequency is?
A) HertzB) Joule
C) Volt
D) Pascal
41. Vitamin B12 deficiency causes?
A) ScurvyB) Anemia
C) Rickets
D) Goitre
42. Which layer contains satellites?
A) TroposphereB) Mesosphere
C) Exosphere
D) Stratosphere
43. Plasma membrane is?
A) DeadB) Non-living
C) Selectively permeable
D) Hard
44. SI unit of voltage is?
A) AmpereB) Volt
C) Watt
D) Ohm
45. Which vitamin is called sunshine vitamin?
A) Vitamin AB) Vitamin B
C) Vitamin D
D) Vitamin K
46. Mesosphere burns?
A) CloudsB) Meteors
C) Rain
D) Smoke
47. Vacuoles store?
A) Water and foodB) Oxygen
C) Blood
D) Bones
48. SI unit of resistance is?
A) OhmB) Volt
C) Joule
D) Kelvin
49. Vitamin A helps in?
A) VisionB) Hearing
C) Smelling
D) Digestion
50. Atmosphere contains maximum?
A) OxygenB) Nitrogen
C) Carbon dioxide
D) Hydrogen
51. Cell theory was proposed by?
A) Schleiden and SchwannB) Newton and Einstein
C) Hooke and Darwin
D) Mendel and Lamarck
52. SI unit of work is?
A) WattB) Joule
C) Pascal
D) Kelvin
53. Which vitamin prevents scurvy?
A) Vitamin CB) Vitamin D
C) Vitamin K
D) Vitamin A
54. Ozone layer absorbs?
A) UV raysB) X-rays
C) Gamma rays
D) Sound waves
55. Which data type stores yes/no values?
A) BooleanB) Float
C) Integer
D) Char
56. Lysosomes are called?
A) PowerhouseB) Suicide bags
C) Food factory
D) Brain of cell
57. SI unit of speed is?
A) m/sB) km/h
C) Joule
D) Watt
58. Vitamin K helps in?
A) Clotting of bloodB) Digestion
C) Respiration
D) Hearing
59. Which layer has most clouds?
A) TroposphereB) Exosphere
C) Mesosphere
D) Thermosphere
60. Binary digits are called?
A) BytesB) Bits
C) Files
D) Data
61. DNA is present in?
A) NucleusB) Ribosome
C) Vacuole
D) Cell wall
62. SI unit of density is?
A) kg/m³B) m/s
C) Joule
D) Newton
63. Which vitamin is fat soluble?
A) Vitamin CB) Vitamin B
C) Vitamin A
D) None
64. Nitrogen percentage in atmosphere is?
A) 21%B) 50%
C) 78%
D) 90%
65. Full form of CPU?
A) Central Process UnitB) Central Processing Unit
C) Computer Processing Unit
D) Central Print Unit
66. Plant cell is usually?
A) RoundB) Irregular
C) Rectangular
D) Triangle
67. SI unit of area is?
A) m²B) m³
C) kg
D) Pascal
68. Vitamin deficiency causing weak bones?
A) Vitamin AB) Vitamin D
C) Vitamin C
D) Vitamin B
69. Air pressure decreases with?
A) HeightB) Rain
C) Wind
D) Heat
70. 8 bits make?
A) KBB) Byte
C) MB
D) Nibble
71. Animal cells lack?
A) CytoplasmB) Nucleus
C) Cell wall
D) Cell membrane
72. SI unit of volume is?
A) m³B) m²
C) Liter
D) kg
73. Vitamin B complex helps in?
A) MetabolismB) Photosynthesis
C) Digestion only
D) Hearing
74. Oxygen percentage in atmosphere is?
A) 50%B) 78%
C) 21%
D) 10%
75. Which data type uses decimal numbers?
A) FloatB) Boolean
C) Integer
D) Char
76. Cell membrane is made of?
A) Protein and lipidsB) Iron
C) Water
D) Sugar
77. SI unit of acceleration is?
A) m/s²B) m/s
C) Newton
D) Joule
78. Which vitamin keeps skin healthy?
A) Vitamin EB) Vitamin D
C) Vitamin K
D) Vitamin B12
79. Layer nearest to Earth?
A) TroposphereB) Stratosphere
C) Mesosphere
D) Exosphere
80. Which is not a data type?
A) IntegerB) Float
C) Printer
D) Boolean
81. Protoplasm means?
A) Living content of cellB) Bone
C) Water
D) Air
82. SI unit of charge is?
A) VoltB) Coulomb
C) Ampere
D) Ohm
83. Vitamin A deficiency affects?
A) EyesB) Ears
C) Nose
D) Skin only
84. Which layer has ozone?
A) MesosphereB) Stratosphere
C) Thermosphere
D) Exosphere
85. RAM is a?
A) Input deviceB) Memory
C) Software
D) Printer
86. Cell division is called?
A) RespirationB) Mitosis
C) Digestion
D) Excretion
87. SI unit of capacitance is?
A) HenryB) Farad
C) Volt
D) Ohm
88. Which vitamin helps immunity?
A) Vitamin CB) Vitamin K
C) Vitamin D
D) Vitamin B12
89. Atmosphere protects Earth from?
A) MeteorsB) Water
C) Soil
D) Rocks
90. ROM stands for?
A) Read Only MemoryB) Random Output Memory
C) Read Open Memory
D) Random Order Machine
91. Chromosomes carry?
A) WaterB) Genes
C) Blood
D) Oxygen
92. SI unit of inductance is?
A) TeslaB) Henry
C) Joule
D) Pascal
93. Which vitamin helps blood formation?
A) Vitamin B12B) Vitamin D
C) Vitamin K
D) Vitamin E
94. Which gas is highest in atmosphere?
A) OxygenB) Nitrogen
C) Carbon dioxide
D) Hydrogen
95. KB stands for?
A) Kilo ByteB) Kilo Bit
C) Key Board
D) Kernel Byte
96. Smallest cell in human body?
A) Nerve cellB) RBC
C) Sperm cell
D) Egg cell
97. SI unit of magnetic field is?
A) TeslaB) Newton
C) Volt
D) Pascal
98. Which vitamin is produced in sunlight?
A) Vitamin AB) Vitamin D
C) Vitamin K
D) Vitamin C
99. Atmosphere extends up to?
A) 10 kmB) 100 km
C) Thousands of km
D) 1 km
100. Full form of HTML?
A) Hyper Text Markup LanguageB) High Text Machine Language
C) Hyper Tool Markup Language
D) Home Text Markup Language