- Get link
- X
- Other Apps
In this post, you'll find the complete solution and explanation for Test 3 Reading passage 2 Sand dunes from IELTS Academic Vol- 1 ( IDP). Each answer is explained in the easiest possible way, along with the answer location as well as Hard vocabulary from the passage. This is perfect for students who want to understand not just the correct answers, but why they are correct, helping you improve your IELTS Reading skills with every practice test.
Questions 14-16 Short answer questions
14. Where might you be surprised to find dunes? Answer: riverbeds
Keywords: surprised,= unexpectedly
Answer Location: Paragraph 1, Lines 4-5,......but they can also be found inland and, perhaps, unexpectedly,in some underwater locations such as riverbeds.
15. What part of the dunes sometimes collapses, causing the dune to migrate? Answer: crest
Keywords: crumbles=collapses, move= to migrate
Answer Location: Paragraph 6, lines 5-7. These lighter grains then fall down the slipface. Occasionally, the crest crumbles under pressure, and this is how it is considered that dunes move.
16. What is the name given to the side of the dune where air forces the sand upwards? Answer: windward
Keywords: wind blows = air forces, upward
Answer location: Paragraph 2, lines 1-3, ....., the windward side of the dune, which is where the wind blows the sand grains and pushes them upward direction.
Questions 17- 21: Complete the diagram
!7. Arrow indicates...........direction. Answer: wind
Keywords: wind coming from any direction = wind attack
Answer location: Paragraph 3, Lines 3-5, The rarest dune shape is known as the dome, this is circular in shape and, unlike other dunes, has no slipface-this dune is formed by the wind coming from any direction.
18. Parabolic dune, also called a................ Answer: blowout
Keywords: Parabolic dune, alternatively known = called
Answer Location: Paragraph 2, Last few lines, ..Similar to crescentic dunes are Parabolic dunes, which have a similar 'U' shape. In this type of formation, alternatively known as a blowout, the centre of the dune has been hollowed out by the wind.
!9. .................is blown out by wind. Answer: centre
Keywords: hollowed out = blown out
Answer Location: Paragraph 2, last few Lines, Similar to crescentic dunes are Parabolic dunes, which have a similar 'U' shape. In this type of formation, alternatively known as a blowout, the centre of the dune has been hollowed out by the wind.
20. .................dune. Answer: star
Keywords: pointed peak,
Answer Location: Paragraph 3, lines 1, The dunes in Sahara Desert,though, are example of star dunes. These have pointed peaks and at least three slipfaces because the wind attacks the dune from many directions.
21. Has a minimum of...............Answer: three slipfaces
Keywords: at least = minimum of
Answer Locations: Paragraph 3, Lines 1-3, these have pointed peaks and at least three slipfaces because the wind attacks the dune from many directions.
Questions 22-26 True / False / Not given
22. For sand dune to form , plant life should be virtually non-existent. Answer: true
Keywords: little or no vegetation
Answer location: Paragraph 4, Lines 1-3. In oder for sand dunes to form, there are various conditions which need to be met. Firstly, there needs to be a large quantity of loose sand available.
There should be little or no vegetation in the sand, as this helps to stabilise the sand. :
23. The process known as saltation happens more frequently in coastal areas than inland. Answer: Not given
Keywords: frequently, saltation
Answer location: Paragraph 5, lines ( The word saltation is used in paragraph 5 but there is no information about in which area it happens more often . so the answer is not given.)
24. Lighter sand grains generally accumulate on the windier side of an obstacle. Answer: false
Keywords: other side, accumulate
Answer Location: Paragraph 6, lines 2-4, The heavier grains settle against the objects, whereas the lighter grains fall on the other side of the object
( so lighter grains accumulate other side, not on the windier side.)
25. Vegetation with deep roots thrives in sand dunes. Answer: false
Keywords: shallow root ( not deep root), thrive =do well
Answer location: Paragraph 7, lines 2-3. There is no soil, so grasses with shallow roots do well in dunes.
( vegetation ( grasses) with shallow, not deep root do well ) So the answer is false.)
26. Climbing over sand dunes can cause damage to them. Answer: true
Keywords:trempling over = climbing , destruction
Answer location: Paragraph 8, lines 4-6, Beachgoers and visitors also contribute to dune destruction by trampling over the dunes, causing an interruption to the natural process.
Related post: Graffiti Reading Answer Explanation
Hard Vocabulary from the Passage Sand Dunes
| Word | Meaning | Synonyms |
|---|---|---|
| dune | A hill or ridge of sand formed by the wind, usually found in deserts or near beaches. |
sand hill, sand ridge, mound |
| grain | A small, hard particle, especially of sand or other material. | particle, speck, granule |
| obstacle | Something that blocks or hinders progress or movement. | barrier, hurdle, blockage , |
| windward | The side or direction from which the wind is blowing. | upwind, facing the wind |
| slipface | The steep, downwind side of a sand dune where sand slides down. |
leeward slope, downwind face |
| crescentic | Having the shape of a crescent or curved like a moon. | curved, arc-shaped, semi-circular |
| parabolic dune | A U-shaped sand dune formed by wind action, with arms pointing upwind. | U-shaped dune, wind- formed dune |
| hallowed | Regarded as holy, sacred, or greatly respected. | sacred, revered, blessed |
| blowout | A depression or hollow formed when wind removes sand or soil. |
hollow, depression, pit |
| curve | A smooth, continuously bending line or surface. | bend, arc, loop |
| accumulate | To gather or collect gradually over time. | gather, collect, amass |
| bouncing | Moving up and down or back and forth with energy or force. |
rebounding, springing, ricocheting |
| collide | To crash or come into forceful contact with something. | crash, hit, impact |
| creeping | Moving slowly and quietly, often close to the ground. | crawling, inching, sneaking |
| crumble | To break into small pieces or fall apart. | disintegrate, break down, decay |
| encroaching | Gradually taking over or intruding on something. | invading, trespassing, intruding |
| hostile | Unfriendly or difficult to live in or deal with. | unfriendly, harsh, adverse |
| endangered | At risk of becoming extinct or destroyed. | threatened, at risk, vulnerable |
| trampling | Crushing or damaging something by stepping heavily on it. | crushing, stomping, treading |
| replenishment | The process of refilling or restoring something. | renewal, refilling, restoration |
| decelerate | To slow down or reduce speed. | slow down, reduce speed, brake |
Comments
Post a Comment