

MCQOPTIONS
This section includes 1357 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
51. |
A highest point in a wave is its |
A. | troughs |
B. | crest |
C. | wave length |
D. | wave direction |
Answer» C. wave length | |
52. |
A rise in sea level near the shore due to strong winds is called |
A. | swell |
B. | tsunami |
C. | storm urge |
D. | whitecap |
Answer» D. whitecap | |
53. |
The area where the wave tumble first is called |
A. | surf |
B. | breaker |
C. | undertow |
D. | long shore |
Answer» C. undertow | |
54. |
The surface facing the moon needs to come back on same place after |
A. | 24 hours |
B. | 48 hours |
C. | 56 hours |
D. | 12 hours |
Answer» B. 48 hours | |
55. |
The area between two breaker zones is called |
A. | surf |
B. | breaker |
C. | undertow |
D. | long shore |
Answer» B. breaker | |
56. |
Oil tankers are now built with double hulls instead of one to avoid |
A. | oil spill |
B. | exposure of air |
C. | high cost |
D. | long distance |
Answer» B. exposure of air | |
57. |
Groups of marine life includes |
A. | plankton |
B. | nekton |
C. | Benthos |
D. | all of them |
Answer» E. | |
58. |
The zone which included volume of water of entire ocean floor excluding continental shift is the |
A. | abyssal zone |
B. | hadal zone |
C. | neritic zone |
D. | oceanic zone |
Answer» E. | |
59. |
Due to public outcry USA now reserves $ 130 million for |
A. | defense |
B. | army |
C. | cosmetics |
D. | ocean protection |
Answer» E. | |
60. |
In 1989 a treaty was signed by 64 countries in regard to |
A. | digging in ocean |
B. | dumping in ocean |
C. | fishing in ocean |
D. | farming in ocean |
Answer» C. fishing in ocean | |
61. |
Bathymetric profile is referred to as map which shows ocean's |
A. | height |
B. | depth |
C. | length |
D. | width |
Answer» C. length | |
62. |
With the separation of tectonic plates there is formation of |
A. | mid-ocean ridge |
B. | rift valley |
C. | seamount |
D. | ocean trench |
Answer» C. seamount | |
63. |
The largest ocean in world is the |
A. | Pacific Ocean |
B. | Arctic Ocean |
C. | Indian Ocean |
D. | Atlantic Ocean |
Answer» B. Arctic Ocean | |
64. |
The percentage of chlorine in an ocean water is |
A. | 0.55 |
B. | 0.077 |
C. | 0.306 |
D. | 0.033 |
Answer» B. 0.077 | |
65. |
The second layer of ocean water is called |
A. | surface zone |
B. | thermo cline |
C. | secondary zone |
D. | deep zone |
Answer» C. secondary zone | |
66. |
The planet which is not regarded as gas giant is the |
A. | Uranus |
B. | Neptune |
C. | Jupiter |
D. | Pluto |
Answer» E. | |
67. |
The distance of earth from sun is |
A. | just right |
B. | disturbing |
C. | alarming |
D. | unreasonable |
Answer» B. disturbing | |
68. |
Iron and nickel is present in |
A. | Stony meteorite |
B. | Metallic meteorite |
C. | new meteorite |
D. | older meteorite |
Answer» C. new meteorite | |
69. |
The only planet in outer solar system which is dense and small is the |
A. | Uranus |
B. | Neptune |
C. | Jupiter |
D. | Pluto |
Answer» E. | |
70. |
The outer most layer of Venus is comprises of |
A. | sulfuric acid |
B. | gases |
C. | flares |
D. | fumes |
Answer» B. gases | |
71. |
The Sun rises in Venus from |
A. | West |
B. | East |
C. | North |
D. | South |
Answer» B. East | |
72. |
A system which allows scientists to rate the hazard level of object coming towards earth is called |
A. | Torino scale |
B. | Spacecraft |
C. | Mission |
D. | Rector Scale |
Answer» B. Spacecraft | |
73. |
The value represented by color orange is |
A. | 1 |
B. | 2,3,4 |
C. | 5,6,7 |
D. | 8,9,10 |
Answer» D. 8,9,10 | |
74. |
The largest satellite as compare to its planet in whole solar system is the |
A. | Europa |
B. | Ganymede |
C. | Calistro |
D. | Charon |
Answer» E. | |
75. |
The comet tail is made up of the charged particles called |
A. | electrons |
B. | protons |
C. | neutrons |
D. | ions |
Answer» E. | |
76. |
On a comparison between earthquakes of solid and liquid it was found waves will travel faster through |
A. | solid |
B. | liquid |
C. | molten |
D. | gas |
Answer» B. liquid | |
77. |
The tectonically active volcanic mountain of Pacific Ocean is regarded as |
A. | Ring of Fire |
B. | mountain of fire |
C. | Ring of volcano |
D. | Island of volcano |
Answer» B. mountain of fire | |
78. |
If there occurs a collision between two tectonic plates with continental crust collision it is the |
A. | continental-continental collision |
B. | continental-oceanic collision |
C. | oceanic-oceanic collision |
D. | moving apart |
Answer» B. continental-oceanic collision | |
79. |
As the sea floor widen out and get separated from mid-ocean ridge, it carries a record of |
A. | magnetic reversal |
B. | electric reversal |
C. | thermal reversal |
D. | static |
Answer» B. electric reversal | |
80. |
When the poles of Earth replace their poles the change is referred to as |
A. | magnetic reversal |
B. | electric reversal |
C. | thermal reversal |
D. | static |
Answer» B. electric reversal | |
81. |
The strong lower part of mantle is regarded as |
A. | lithosphere |
B. | asthenosphere |
C. | mesosphere |
D. | tectonic plates |
Answer» D. tectonic plates | |
82. |
The solid and dense center of Earth which extends to the center of Earth is the |
A. | outer core |
B. | inner core |
C. | mesosphere |
D. | asthenosphere |
Answer» C. mesosphere | |
83. |
Core doesn't contain |
A. | silicon |
B. | nickel |
C. | oxygen |
D. | iron |
Answer» D. iron | |
84. |
The total percentage of mantle of earth's surface is |
A. | 0.67 |
B. | 0.01 |
C. | 0.33 |
D. | 0.45 |
Answer» B. 0.01 | |
85. |
The estimate thickness of outer most layers of earth is 5 to |
A. | 10 km |
B. | 100 km |
C. | 1000 km |
D. | 7 km |
Answer» C. 1000 km | |
86. |
Some limestone is made of the skeleton of tiny organisms known as |
A. | Coral |
B. | Bacteria |
C. | Virus |
D. | Fungi |
Answer» B. Bacteria | |
87. |
The largest of all igneous intrusions are |
A. | Stock |
B. | Batholith |
C. | Plutons |
D. | Sill |
Answer» C. Plutons | |
88. |
Rocks formed from the remains of once-living plants and animals are called |
A. | Clastic Sedimentary Rock |
B. | Chemical Sedimentary Rock |
C. | Organic Sedimentary Rock |
D. | Inorganic Sedimentary Rock |
Answer» D. Inorganic Sedimentary Rock | |
89. |
Rocks formed from dissolved minerals and water are known as |
A. | Clastic Sedimentary Rock |
B. | Chemical Sedimentary Rock |
C. | Organic Sedimentary Rock |
D. | Inorganic Sedimentary Rock |
Answer» C. Organic Sedimentary Rock | |
90. |
Contact metamorphism generally occurs near |
A. | igneous extrusions |
B. | sediment intrusions |
C. | igneous intrusions |
D. | sediment extrusions |
Answer» D. sediment extrusions | |
91. |
When the lighter materials from the surrounding gathered and rose, there is found creation of |
A. | ocean |
B. | dunes |
C. | continent |
D. | island |
Answer» D. island | |
92. |
The elongated circle along which Mars move around the sun is regarded as |
A. | ellipse |
B. | revolution |
C. | rotation |
D. | orbiting |
Answer» A. ellipse | |
93. |
A spinning of any body around its own axis is called its |
A. | movement |
B. | revolution |
C. | rotation |
D. | orbiting |
Answer» D. orbiting | |
94. |
The sun has approximate age of |
A. | 4.6 billion years |
B. | 2 billion years |
C. | 4 billion year |
D. | 6.4 billion years |
Answer» B. 2 billion years | |
95. |
The surface of sun is shrinking due to |
A. | heat |
B. | light |
C. | pressure |
D. | gravity |
Answer» E. | |
96. |
The upward pushing of aircraft by engine is called its |
A. | velocity |
B. | centrifugal force |
C. | gravity |
D. | thrust |
Answer» E. | |
97. |
John Glen was the first man who |
A. | went in space |
B. | orbit the earth |
C. | went on moon |
D. | died in first flight |
Answer» C. went on moon | |
98. |
Landsat program began in |
A. | 1972 |
B. | 2003 |
C. | 1973 |
D. | 1937 |
Answer» B. 2003 | |
99. |
The flight of first space craft lasted for |
A. | 180 mins |
B. | 108 mins |
C. | 80 mins |
D. | 8 mins |
Answer» B. 108 mins | |
100. |
A long-term platform which provides medium for research in space is called |
A. | space craft |
B. | space station |
C. | spaceshuttle |
D. | space satellite |
Answer» C. spaceshuttle | |