10th Social Science
Refresher Course Answer key
Topic 8 Natural Landforms
10th Social Science Refresher Course Answer key Topic 8 Natural Landforms.
10th Social Science Refresher Course Answer key Topic 8. 10th Social Science
Refresher Course Answer key. 10th SOCIAL SCIENCE REFRESHER COURSE MODULE 8 QUESTION & ANSWER Tamil
Medium.
- பத்தாம் வகுப்பு - சமூக அறிவியல்
- புத்தாக்கப் பயிற்சிக் கட்டகம்
- Topic Topic 8 Natural Landforms
Evaluation
1. The larger structure of river curves become......................
a) Pot holes
b) Meander
c) Ox bow lake
d) Delta
2. The landscape formed by the depositionof red soil is..................
a) Uvalas
b) Lappies
c) Doline s
d) Terrarossa
3. The landscape like a arm chair is formed by the..................
a) erosional activity of river
b) erosional activity of ground water
c) erosional activity of glacier
d) erosional activity of wind
4. The ridge like shaped landscape formed by the erosion of wind is..................
a) Yardang
b) Inselberg
c) Mushroom rock
e) Barchan
5. The landscape which is almost parallel to the sea shore is....................
a) Wave cut platforms
b) Bar
c) Spit
d) Sea cliffs
6. Match the following
| S.No | A | B | Answer |
|---|---|---|---|
| 1 | V shaped valley | Glacier | River |
| 2 | U shaped valley | Sea | Glacier |
| 3 | Matterhorn | Wind | Sea Glacier |
| 4 | Stalagmites | River | Ground water |
| 5 | Loess | Ground water | Wind |
7. Select the appropriate pictures.
8. a) write the Merits of Delta formation.
- Sedimentary sediments in deltas are found to be soft and rich in minerals.
- Makes way for agriculture to prosper. (Example) Cauvery Delta- Tamil Nadu
b) List out the districts in delta region.
- Salem, Erode, Karur, Trichy, Pudukkottai, Thanjavur, Thiruvarur, and Nagapattinam
9. Complete the table with the help of book.
| S.No | Factors | Landforms by Erosion | Landforms by deposition. |
|---|---|---|---|
| 1 | Wind | 1. Mushroom rock 2. Insulberg 3. Yardang | 1) Sand dune a) Burgan b) Cross dunes c) Long sand dunes 2) Loose sediments |
| 2 | Ground water | 1) Terrorosa 2) Lapis 3) Absorption holes 4) Caves and underground caves | 1. Stone paste 2. Stone 3. Vertical stone pillar |
| 3 | Glacier | 1) Circu 2) Aret 3) Pyramid peak 4) ‘U’ shaped valley 5) Hanging Valley 6) Glacier | 1. Moraine 2. Drumlin 3. Esker 4. Glacial sedimentary plain |
| 4 | River | 1) Gorge and narrow valley 2) Waterfall 3) ‘V’ shaped valley 4) Pothole 5) River curves 6) Blind River or Horse Hoof Lake | 1. Sediment fan 2. Floodplain 3. Facade 4. Delta |
| 5 | Sea wave | 1) Sea urchin 2) Sea Cave | Beach Sand dune |
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