Landforms Book Back Questions 7th Social Science Lesson 6
7th Social Science Lesson 6
6] Landforms
Book Back Questions with Answer and Do You Know Box Content
Do You Know?
The highest waterfall is Angel Falls of Venezuela in South America. The other waterfalls are Niagara Falls located on the border between Canada and USA in North America and Victoria Falls on the borders of Zambia and Zimbabwe in Africa.
Tributary: A stream or river that flows into and joins a main river.
Distributary: A stream that branches off and flows away from a main stream.
The term “Meander” has been named on the basis of Meander River of Asia Minor (Turkey) , it flows through numerous curves and turns.
Northern China loess deposits are brought from the Gobi Desert.
The first longest beach in the world is the Miami Beach in South Florida in U.S.A. The second longest beach in the world is the Marian Beach in Chennai.
Choose the best answers:
1. ______________ is a deposition of river sediments along the foot-hills.
(a) Plunge pool
(b) Alluvial fan
(c) Flood plain
(d) Delta
2. Courtallam falls is located across the __________ river
(a) Cauvery
(b) Pennar
(c) Chittar
(d) Vaigai
3. The landform created glacial deposition is
(a) Cirque
(b) Arete
(c) Moraine
(d) Tarn lake
4. Large deposits of loess are founded in
(a) USA
(b) India
(c) China
(d) Brazil
5. ____________ are not associated with wave erosion.
(a) Cliff
(b) Sea arch
(c) Stack
(d) Beaches
Fill in the blanks:
1. The process of breaking and crumbling of rocks is _____________
2. The place where the river joins a lake or a sea is known as _______________
3. Inselbergs are found in the _____________ desert in South Africa.
4. A cirque is known as ______________ in Germany.
5. The first longest beach in the world is ___________
Match the following:
1. Breaking and crumbling of rocks – Glacier
2. Abandoned meander loops – Barchans
3. Large body of moving ice – Lagoon
4. Crescent shaped sand dunes – Weathering
5. Vembanad Lake – Oxbow Lake
Consider the following the statements and tick the appropriate answer:
1. Assertion (A): The deltas are formed near the mouth of the river.
Reason (R): The velocity of the river becomes slow when it approaches the sea
(a) Both A and R are correct
(b) A is correct and R is wrong
(c) A is wrong and R is correct
(d) Both A and R are wrong
2. Assertion (A): Sea arches in turn become Sea Stacks.
Reason (R): Sea Stacks are the results of wave deposition.
(a) Both A and R are correct
(b) A is correct and R is wrong
(c) A is wrong and R is correct
(d) Both A and R are wrong
Answers:
Choose the best answers:
1. Alluvial fan 2. Chittar 3. Moraine 4. China 5. Stack
Fill in the blanks:
1. Weathering 2. Estuaries 3. Kalahari 4. Kahr cirque 5. Miami Beach
Match the following:
1. Weathering 2. Oxbow lake 3. Glaciers 4. Barchans 5. Lagoon
Consider the following the statements and tick the appropriate answer:
1.Both A and R are correct
2.A is correct and R is wrong