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Lake Vostok IELTS Reading Answers Lake Vostok IELTS Reading Answers
Lake Vostok IELTS Reading Answers

Lake Vostok IELTS Reading Answers

The Academic passage ‘Lake Vostok’ is a reading passage that appeared in an IELTS Test. Read the passage below and answer questions 1 – 13. Beyond the questions, you will find the answers along with the location of the answers in the passage and the keywords that  help you find out the answers.

Lake Vostok

Lake Vostok - 0001

Lake Vostok - 0002

Lake Vostok - 0003

Lake Vostok - 0004

Lake Vostok - 0005

Answers

Question number  Answer  Keywords  Location of keywords
1 viii As details have emerged, a growing number of scientists are showing interest, with dozens of investigators keen to explore the feature, known as Lake Vostok. Paragraph B;

Line 1

2 ii Lake Vostok is the largest of these, stretching 280km from south to north and some 60km from east to west. At Vostok station, which sits at the southern end of the lake, the water depth appears to be 500m according to seismic experiments carried out by Russian researchers. Paragraph C;

Lines 10 – end

3 iv Along with the potential rewards come a host of challenges. Researchers must find a way to penetrate the icy covering without introducing any microorganisms or pollutants into the sealed-off water. Paragraph D;

Lines 5 – end

4 iii Bacteria, yeasts, fungi, algae and even pollen grains have been found in the Vostok ice core samples taken down to depths of 2,750m – three quarters of the way to the bottom. At least some of these organisms are alive and capable of growing, Paragraph E;

Lines 11 -12

5 B By looking at the ratio of different oxygen isotopes, scientists should be able to trace how Earth’s temperature changed over the millennia. Paragraph B;

Line 3

6 A t’s the thick ice, strangely, that enables a lake to survive in such a frozen environment. Paragraph C;

Line 3

7 NO These factors have helped lakes develop across much of the thickly blanketed East Antarctica. More than 70 hidden lakes have been detected in the small portion of the continent to date. Paragraph C;

Lines 8 – 9

8 YES The first clues to Lake Vostok’s existence came in the 1970s, when British, U.S., and Danish researchers collected radar observations by flying over this region. Paragraph D;

Line 1

9 NOT GIVEN
10 YES For the lake’s residents, the only nutrients would come from below Paragraph E;

Line 4

11 YES The ice sheet above the water is creeping from west to east at a rate of roughly four meters per year. Paragraph E;

Line 8

12 NO Researchers must find a way to penetrate the icy covering without introducing any microorganisms or pollutants into the sealed-off water. Paragraph D;

Last line

13 YES At Vostok station, which sits at the southern end of the lake, the water depth appears to be 500m according to seismic experiments carried out by Russian researchers. Paragraph C;

Last line

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