Chapter 1: Origin and Structure of the Ear (Set-3)

The nebular hypothesis was later modified into the solar nebula theory mainly to explain

Which observation strongly supports Earth’s axial rotation rather than revolution

The concept of standard time is directly based on

Which part of the Earth’s interior is the thickest layer

Which evidence of continental drift is based on ancient climatic conditions

Plate tectonic theory explains mountain building primarily through

The zone of weakness in Earth’s crust where earthquakes originate frequently is called

Which type of stress causes normal faults to develop

Which igneous rock forms deep below the Earth’s surface and has very large crystals

Which sedimentary rock is formed from compacted clay particles

Metamorphism that affects large regions due to plate collision is known as

The Gutenberg discontinuity separates the

Which type of earthquake originates due to collapse of underground cavities

The term ‘Ring of Fire’ refers to

Which movement of tectonic plates leads to strike-slip faults

Which latitude marks the southern limit of the tropics

The chemical composition of the Earth’s core is dominated by

Which process converts sedimentary rocks back into molten magma

Which rock type generally lacks stratification

Which plate boundary is responsible for creation of island arcs

Which wave type is most useful in determining Earth’s internal structure

The concept of Pangaea refers to

Which factor primarily influences the depth of earthquake focus

Which rock is produced when limestone undergoes contact metamorphism

The average thickness of the Earth’s crust beneath continents is about

Which phenomenon indicates the elastic nature of rocks during earthquakes

Which rock cycle process involves transportation of weathered material

Which plate is considered the largest tectonic plate on Earth

Which type of volcano has gentle slopes and fluid lava

Which evidence for continental drift is based on the jigsaw fit of continents

Which stress type results in reverse faults

The temperature increase with depth in Earth’s interior is known as

Which sedimentary rock consists of rounded pebbles cemented together

Which plate boundary commonly forms volcanic plateaus

Which type of earthquake originates beneath the ocean floor and can generate tsunamis

Which layer of Earth’s interior is in liquid state

Which rock is an example of high-grade metamorphism

Which geographical phenomenon directly proves Earth’s spherical shape

The zone between crust and core that shows plastic behavior is the

Which type of rock is most resistant to weathering

Which factor explains why oceanic crust is relatively young

Which movement of Earth causes deflection of winds to the right in Northern Hemisphere

Which type of sedimentary rock is formed from plant remains

The point on Earth’s surface that experiences equal day and night throughout the year is the

Which concept explains floating equilibrium of continents on mantle

Which process turns magma into extrusive igneous rock

Which internal force is mainly responsible for faulting

Which evidence indicates ocean basins are not permanent features

Which latitude marks the beginning of polar regions

Which branch of science combines geology and physics to study Earth’s interior