(i) What is not caused by endogenic forces?
(a) An earthquake
(b) A volcanic eruption
(c) Weathering
(d) Tsunami
Ans: (c)
Weathering is caused by exogenic forces.
(ii) Sudden movements inside the Earth cause:
(a) Floodplains
(b) Earthquakes
(c) Folding
(d) Meanders
Ans: (b)
Earthquakes are caused by sudden endogenic movements.
(iii) What is an instrument used to measure the intensity of an earthquake?
(a) Wind
(b) An earthquake
(c) A volcano
(d) A seismograph
Ans: (d)
A seismograph measures earthquake intensity.
(iv) Magma that comes out onto the surface of the Earth is known as:
(a) Lava
(b) Loess
(c) Stacks
(d) Mantle
Ans: (a)
Magma that reaches the surface is called lava.
(v) In the course of a river, ox-bow lakes are formed in its:
(a) Upper course
(b) Middle course
(c) Lower course
(d) Mouth
Ans: (b)
Ox-bow lakes are typically formed in the middle course of a river.
(i) Earthquakes and volcanoes are caused by exogenous processes.
Ans: False
(ii) Faults are formed when two tectonic plates push towards each other.
Ans: False
(iii) The point inside the Earth at which the earthquake originates is the epicenter.
Ans: False
(iv) A sand dune is a feature of sea erosion.
Ans: False
(v) U-shaped valleys are created by rivers.
Ans: True
Ans:
(i) __________ forces originate deep below the Earth's surface and result in the formation of landforms like volcanoes and fold mountains.
Ans: Endogenic
(ii) The movement of tectonic plates is powered by heat energy released from deep inside the Earth due to __________.
Ans: convection currents
(iii) When two tectonic plates pull away from each other, __________ appear on the Earth's surface.
Ans: faults
(iv) The instrument used to measure the intensity of an earthquake is called a __________.
Ans: seismograph
(v) Glaciers are slow-moving rivers of__________ formed by the accumulation and compaction of snow.
Ans: ice
63 videos|140 docs|28 tests
|
1. What is the meaning of the term "The Changing Face of Earth"? |
2. What are some examples of the changing face of Earth? |
3. How do volcanic eruptions contribute to the changing face of Earth? |
4. What role do human activities play in the changing face of Earth? |
5. How does plate tectonics contribute to the changing face of Earth? |
63 videos|140 docs|28 tests
|
|
Explore Courses for Class 7 exam
|