final

1. What is the study of rocks called?

a) Mineralogy

b) Petrology

c) Geology

d) Seismology

Answer: b) Petrology

2. Igneous rocks are formed by:

a) Sedimentation

b) Cooling and solidification of magma

c) Heat and pressure on existing rocks

d) Weathering of rocks

Answer: b) Cooling and solidification of magma

3. Which of the following is an intrusive igneous rock?

a) Basalt

b) Pumice

c) Granite

d) Obsidian

Answer: c) Granite

4. What is the name of the landform created by magma solidifying vertically?

a) Sill

b) Dike

c) Batholith

d) Laccolith

Answer: b) Dike

5. Which rock makes up the oceanic crust?

a) Granite

b) Basalt

c) Sandstone

d) Limestone

Answer: b) Basalt

6. Which of the following is NOT an extrusive igneous rock?

a) Rhyolite

b) Gabbro

c) Pumice

d) Obsidian

Answer: b) Gabbro

7. What is a domed-shaped intrusive landform called?

a) Dike

b) Sill

c) Laccolith

d) Batholith

Answer: c) Laccolith

8. Which of the following is a phaneritic rock?

a) Basalt

b) Obsidian

c) Granite

d) Pumice

Answer: c) Granite

9. What is the term for magma that solidifies inside the Earth's crust?

a) Extrusive

b) Intrusive

c) Volcanic

d) Plutonic

Answer: b) Intrusive

10. Which of the following is an example of a plutonic rock?

a) Basalt

b) Gabbro

c) Pumice

d) Scoria

Answer: b) Gabbro

11. Sedimentary rocks are formed by:

a) Cooling of magma

b) Deposition and compaction of sediments

c) Recrystallization under heat and pressure

d) Volcanic eruptions

Answer: b) Deposition and compaction of sediments

12. Which process converts sediments into sedimentary rock?

a) Metamorphism

b) Lithification

c) Crystallization

d) Weathering

Answer: b) Lithification

13. Fossils are most commonly found in which type of rock?

a) Igneous

b) Metamorphic

c) Sedimentary

d) Volcanic

Answer: c) Sedimentary

14. Which sedimentary rock is formed organically?

a) Sandstone

b) Coal

c) Halite

d) Gypsum

Answer: b) Coal

15. Which of the following is a chemically formed sedimentary rock?

a) Shale

b) Limestone

c) Conglomerate

d) Breccia

Answer: b) Limestone

16. What is the layered structure of sedimentary rocks called?

a) Banding

b) Strata

c) Foliation

d) Lineation

Answer: b) Strata

17. Which sedimentary rock is composed of rounded fragments?

a) Breccia

b) Conglomerate

c) Shale

d) Siltstone

Answer: b) Conglomerate

18. Which of the following is NOT a sedimentary rock?

a) Dolomite

b) Marble

c) Sandstone

d) Rock Salt

Answer: b) Marble

19. Chalk is an example of which type of sedimentary rock?

a) Mechanically formed

b) Organically formed

c) Chemically formed

d) Clastic

Answer: b) Organically formed

20. Which sedimentary rock is used for making cement?

a) Gypsum

b) Limestone

c) Coal

d) Shale

Answer: b) Limestone

21. Metamorphic rocks are formed by:

a) Cooling of lava

b) Deposition of sediments

c) Recrystallization under heat and pressure

d) Weathering of rocks

Answer: c) Recrystallization under heat and pressure

22. What is the metamorphic equivalent of shale?

a) Slate

b) Marble

c) Quartzite

d) Gneiss

Answer: a) Slate

23. Which metamorphic rock displays alternating dark and light bands?

a) Schist

b) Gneiss

c) Slate

d) Phyllite

Answer: b) Gneiss

24. What is the process of changing one rock type into another called?

a) Lithification

b) Metamorphism

c) Crystallization

d) Weathering

Answer: b) Metamorphism

25. Which of the following is a thermal metamorphic rock?

a) Slate

b) Hornfels

c) Quartzite

d) Phyllite

Answer: b) Hornfels

26. What is the metamorphic equivalent of limestone?

a) Marble

b) Quartzite

c) Slate

d) Schist

Answer: a) Marble

27. Which type of metamorphism occurs without chemical change?

a) Thermal

b) Dynamic

c) Regional

d) Contact

Answer: b) Dynamic

28. Which of the following is a foliated metamorphic rock?

a) Marble

b) Quartzite

c) Schist

d) Hornfels

Answer: c) Schist

29. What is the term for parallel alignment of minerals in metamorphic rocks?

a) Banding

b) Foliation

c) Lineation

d) Stratification

Answer: b) Foliation

30. Which metamorphic rock is formed from sandstone?

a) Slate

b) Quartzite

c) Marble

d) Gneiss

Answer: b) Quartzite

31. Which type of volcano has the most viscous lava?

a) Shield

b) Cinder

c) Composite

d) Caldera

Answer: c) Composite

32. Who proposed the Continental Drift Theory?

a) Harry Hess

b) Alfred Wegener

c) Charles Darwin

d) James Hutton

Answer: b) Alfred Wegener

33. The supercontinent proposed by Wegener was called:

a) Pangaea

b) Panthalassa

c) Gondwana

d) Laurasia

Answer: a) Pangaea

34. Which of the following was NOT evidence for continental drift?

a) Fossil deposits

b) Jig-saw fit of continents

c) Seafloor spreading

d) Placer deposits

Answer: c) Seafloor spreading

35. What causes continental drift according to modern theory?

a) Tidal forces

b) Convection cells

c) Polar fleeing force

d) Magnetic reversal

Answer: b) Convection cells

36. Which ocean is the busiest?

a) Pacific

b) Atlantic

c) Indian

d) Southern

Answer: b) Atlantic

37. The largest ocean is:

a) Atlantic

b) Indian

c) Pacific

d) Arctic

Answer: c) Pacific

38. The Sargasso Sea is known for:

a) Deep trenches

b) Brown algae (Sargassum)

c) Volcanic activity

d) Coral reefs

Answer: b) Brown algae (Sargassum)

39. Which of the following is the smallest ocean?

a) Arctic

b) Southern

c) Indian

d) Atlantic

Answer: a) Arctic

40. The Mid-Atlantic Ridge is an example of:

a) Convergent boundary

b) Divergent boundary

c) Transform boundary

d) Subduction zone

Answer: b) Divergent boundary

41. Who proposed the theory of seafloor spreading?

a) Alfred Wegener

b) Harry Hess

c) Charles Darwin

d) James Hutton

Answer: b) Harry Hess

42. New oceanic crust is formed at:

a) Deep-sea trenches

b) Mid-ocean ridges

c) Abyssal plains

d) Continental slopes

Answer: b) Mid-ocean ridges

43. The age of oceanic rocks increases:

a) Toward mid-ocean ridges

b) Away from mid-ocean ridges

c) Near continental shelves

d) At submarine canyons

Answer: b) Away from mid-ocean ridges

44. The Mid-Atlantic Ridge is the result of:

a) Convergent boundary

b) Transform boundary

c) Divergent boundary

d) Subduction zone

Answer: c) Divergent boundary

45. Which feature is the longest landform on Earth?

a) Himalayas

b) Mid-Atlantic Ridge

c) Mariana Trench

d) Great Barrier Reef

Answer: b) Mid-Atlantic Ridge

46. Petroleum is commonly extracted from:

a) Abyssal plains

b) Continental shelves

c) Seamounts

d) Oceanic ridges

Answer: b) Continental shelves

47. Flat-topped seamounts are called:

a) Guyots

b) Atolls

c) Trenches

d) Canyons

Answer: a) Guyots

48. Which of the following is a minor relief feature of oceans?

a) Abyssal plain

b) Continental slope

c) Seamount

d) Mid-ocean ridge

Answer: c) Seamount

49. The deepest part of the ocean floor is the:

a) Continental rise

b) Abyssal hill

c) Trench

d) Guyot

Answer: c) Trench

50. Submarine canyons are found on:

a) Continental slopes

b) Mid-ocean ridges

c) Abyssal plains

d) Seamounts

Answer: a) Continental slopes

51. Corals are often called the "Rainforest of the Sea" because they:

a) Produce oxygen

b) Host high biodiversity

c) Are found in tropical regions

d) Form large colonies

Answer: b) Host high biodiversity

52. Corals secrete:

a) Silica

b) Calcium carbonate (CaCO3)

c) Sodium chloride

d) Magnesium sulfate

Answer: b) Calcium carbonate (CaCO3)

53. Coral bleaching occurs when:

a) Water becomes too cold

b) Corals lose symbiotic algae (Zooxanthellae)

c) Salinity decreases

d) Sunlight is blocked

Answer: b) Corals lose symbiotic algae (Zooxanthellae)

54. The largest coral reef system is:

a) Maldives Reef

b) Great Barrier Reef

c) Belize Barrier Reef

d) Red Sea Reef

Answer: b) Great Barrier Reef

55. Corals cannot survive in:

a) Saline water

b) Freshwater

c) Sunlit zones

d) Warm temperatures

Answer: b) Freshwater

56. The symbiotic algae living in corals are called:

a) Diatoms

b) Zooxanthellae

c) Kelp

d) Phytoplankton

Answer: b) Zooxanthellae

57. Coral reefs thrive in temperatures between:

a) 10-15 °C

b) 23-29 °C

c) 0-5°C

d) 40-45 °C

Answer: b) 23-29 °C

58. Which factor is NOT critical for coral growth?

a) Clear water

b) Sunlight

c) High salinity

d) Volcanic activity

Answer: d) Volcanic activity

59. Atolls are formed from:

a) Submerged volcanoes

b) Continental shelves

c) River deltas

d) Glacial deposits

Answer: a) Submerged volcanoes

60. Coral bleaching is primarily caused by:

a) Overfishing

b) Climate change (rising temperatures)

c) Earthquakes

d) Pollution from ships

Answer: b) Climate change (rising temperatures)

61. The rock cycle describes:

a) Movement of tectonic plates

b) Transformation of one rock type into another

c) Formation of fossils

d) Erosion of mountains

Answer: b) Transformation of one rock type into another

62. Which process turns igneous rocks into sedimentary rocks?

a) Melting

b) Weathering and erosion

c) Recrystallization

d) Subduction

Answer: b) Weathering and erosion

63. Metamorphic rocks can become igneous rocks through:

a) Compaction

b) Melting and cooling

c) Deposition

d) Lithification

Answer: b) Melting and cooling

64. What drives the rock cycle?

a) Earth's rotation

b) Solar energy and Earth's internal heat

c) Ocean currents

d) Magnetic fields

Answer: b) Solar energy and Earth's internal heat

65. Which rock type can directly become metamorphic?

a) Only sedimentary

b) Only igneous

c) Both igneous and sedimentary

d) Neither

Answer: c) Both igneous and sedimentary

66. The largest continent by area is:

a) Africa

b) Asia

c) North America

d) Antarctica

Answer: b) Asia

67. The smallest continent is:

a) Europe

b) Australia

c) Antarctica

d) South America

Answer: b) Australia

68. The S-shaped ocean is:

a) Pacific

b) Atlantic

c) Indian

d) Arctic

Answer: b) Atlantic

69. The Southern Ocean surrounds:

a) Africa

b) Antarctica

c) Australia

d) South America

Answer: b) Antarctica

70. Which sea is "borderless" and filled with Sargassum algae?

a) Caribbean Sea

b) Sargasso Sea

c) Red Sea

d) Coral Sea

Answer: b) Sargasso Sea

71. The hardest mineral on the Mohs scale is:

a) Talc

b) Quartz

c) Diamond

d) Feldspar

Answer: c) Diamond

72. The Tethys Sea existed between:

a) Laurasia and Gondwana

b) Africa and Europe

c) Asia and Australia

d) North and South America

Answer: a) Laurasia and Gondwana

73. Heat within Earth's interior comes from:

a) Solar radiation

b) Radioactive decay and residual heat

c) Volcanic eruptions

d) Ocean currents

Answer: b) Radioactive decay and residual heat

74. Lineation in rocks refers to:

a) Layers of sediment

b) Parallel alignment of minerals

c) Alternating dark/light bands

d) Fossilized remains

Answer: b) Parallel alignment of minerals

75. Banding is a feature of which rock type?

a) Igneous

b) Sedimentary

c) Metamorphic

d) Volcanic

Answer: c) Metamorphic

76. Which is NOT a metamorphic rock?

a) Slate

b) Marble

c) Gabbro

d) Schist

Answer: c) Gabbro

77. The Great Barrier Reef is located near:

a) Brazil

b) Australia

c) Indonesia

d) Mexico

Answer: b) Australia

78. The process of lithification involves:

a) Melting of rocks

b) Compaction and cementation

c) Subduction

d) Coral growth

Answer: b) Compaction and cementation

79. Which rock is formed from shale?

a) Quartzite

b) Slate

c) Marble

d) Gneiss

Answer: b) Slate

80. The study of fossils is called:

a) Petrology

b) Paleontology

c) Seismology

d) Mineralogy

Answer: b) Paleontology

81. True or False: Basalt is an intrusive igneous rock.

a) True

b) False

Answer: b) False

82. True or False: The Mid-Atlantic Ridge is a divergent boundary.

a) True

b) False

Answer: a) True

83. True or False: Coral reefs thrive in freshwater.

a) True

b) False

Answer: b) False

84. True or False: Alfred Wegener proposed plate tectonics.

a) True

b) False

Answer: b) False

85. True or False: Gneiss is a metamorphic rock with banding.

a) True

b) False

Answer: a) True