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IELTS Academic Reading: Cambridge 8, Test 3: Reading Passage 3; How does the biological clochồng tick?; with best solutions & step-by step detailed explanations

This post on IELTS Reading focuses on all the solutions for IELTS Cambridge 8 Test 3 Reading Passage 3 which is entitled ‘How does the biological clock tick?’. This is a targeted post for IELTS candidates who have sầu great problems in finding answers for the Academic Reading module. This post can guide you the best to comprehkết thúc each Reading answer without facing much difficulty. Tracing IELTS Reading answers is a gradual process và I sincerely hope this post can help you in your IELTS Reading preparation.

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IELTS Cambridge 8 Test 3: AC Reading Module

Reading Passage 3:

The headline of the passage: How does the biological clochồng tick?

Questions 27-32 (List of headings):

TIPS: Skimming is the best reading technique. You need not understvà every word here. Just try lớn gather the gist of the sentences. That’s all. Read quickly and don’t stop until you finish each sentence.>

Question 27: Paragraph B

Look at lines 1-6 first, the writer talks about the ageing of ‘dead’ products/ objects & that of organisms, “Our ‘dead’ products are ‘static’, closed systems. It is always the basic material which constitutes the object & which, in the natural course of things, is worn down và becomes ‘older’. Ageing in this case must occur according lớn the laws for a living organism, the result of this law is not inexorable in the same way. At least as long as a biological system has the ability to lớn renew itself it could actually become older without ageing; .. .. .”

Therefore, it can be clearly understood that dead objects is worn down & becomes older; for a living organism, becoming older can happen without ageing.

So, the answer is: ix (Fundamental differences in ageing of objects and organisms)


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Question 28: Paragraph C

The answer is in the last few lines of paragraph C, “.. .. . Because of changes in the genetic material (mutations) these have new characteristics và in the course of their individual lives they are tested for optimal or better adaptation lớn the environmental conditions. Immortality would disturb this system – it needs room for new và better life.. … .”

 The lines suggest that changes in genetic materials characterize them with new features và these new characteristics need to be tested so that organisms can adapt to the environment. If organisms don’t die, expectation of new và better life becomes impossible.

So, the answer is: ii (Why dying is beneficial)

Question 29: Paragraph D

The answer can be found in the first few lines, “Every organism has a life span which is highly characteristic. There are striking differences in life span between different species, but within one species the parameter is relatively constant.”

Here, constant = stable, but = despite,

So, the answer is: vii (A stable life span despite improvements)

Question 30: Paragraph E

In paragraph E, again, the first few lines provide us with the answer, “If a life span is a genetically determined biological characteristic, it is logically necessary to lớn propose the existence of an internal clochồng, which in some way measures & controls the ageing process và which finally determines death as the last step in a fixed programme.”

This is the mô tả tìm kiếm of the biological cloông xã.

So, the answer is: i (The biological clock)

Question 31: Paragraph F

Paragraph F mainly giao dịch with the effect of energy consumption by organisms & animals, “Animals which save energy… . .. .. live much longer than those which are always active”.

We find examples of what happens khổng lồ different animals lượt thích crocodiles, tortoises và birds which vày not use much energy. Then we find comparisons on women và men who use different levels of energy.

So, the answer is: viii (Energy consumption)

Question 32: Paragraph G

The first line of paragraph G gives us the answer, “It follows from the above sầu that sparing use of energy reserves should tover khổng lồ extover life.”

Here, extover = prolong,

So, the answer is: iv (Prolonging your life)

Questions 33-36: (Completing notes)

<In this type of question, candidates are asked to lớn complete different notes with NO MORE THAN TWO WORDS from the passage. Keywords are important lớn find answers correctly. Generally, this type of question maintains a sequence. However, we should not be surprised if the sequence is not maintained. Find the từ khoá in the passage và you are most likely to lớn find the answers.

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Question 33 & 34:

Objects age in accordance with principles of 33. ________ and of 34. _________

Keywords for this question: objects, age, principles of,

The answers lie in paragraph B. In lines 3-4, the writer talks about the ageing of objects, “. . .Ageing in this case (case of objects) must occur according khổng lồ the laws of physical chemistry and thermodynamics.”

Here, the laws = principles,

So, the answers are:

physical chemistry thermodynamics

Question 35: Through mutations, organisms can ________ better to lớn the environment

Keywords for this question: through mutations, organisms, better, environment,

In paragraph C, take a look at lines 6-8, “Because of changes in the genetic material (which means mutations) these (which means organisms) have new characteristics và in the course of their individual lives they are tested for optimal or better adaptation to the environmental conditions”.

Here, for the question, we cannot write ‘adaptation’ as our answer. The question has a modal verb ‘can’ for which our answer had khổng lồ be a main verb. The verb for ‘adaptation’ is ‘adapt’.

So, the answer is: adapt

Question 36: ________ would pose a serious problem for the theory of evolution

Keywords for this question: pose a serious problem, theory of evolution,

In paragraph C, take a look at the last line: “Immortality would disturb this system – it needs room for new & better life. This is the basic problem of evolution”.

Here, disturb this system = pose a serious problem,

So, the answer is: Immortality

Questions 37-40 (YES, NO, NOT GIVEN)

The statement in the question matches with the claim of the writer in the text- YES

The statement in the question contradicts with the clayên of the writer in the text- NO

The statement in the question has no clear connection with the account in the text- NOT GIVEN>

Question 37: The wear và tear theory applies lớn both artificial objects & biological systems.

Keywords for this question: wear & tear theory, artificial objects & biological systems,

In paragraph A line no. 3-4, the writer talks about ‘the wear & tear theory’, “. . .. products which are subjected lớn natural wear & tear during use.” Then, in the kết thúc of this paragraph, the writer raises a big question on whether the theory applies lớn both living things và artificial objects, “. . .But are the wear & tear & loss of function of technical objects & the death of living organisms really similar or comparable?”

Here, the raised question gives us the indication that the theory does not apply to both.

So, the answer is: NO

Question 38: In principle, it is possible for a biological system lớn become older without ageing.

Keywords for this question: principle, possible, biological system, become older without ageing,

In paragraph B, take a look at lines 6-7, “ . . . . At least as long as a biological system has the ability to lớn renew itself it could actually become older without ageing; … ..”

The sentence is a clear match with the question.

So, the answer is: YES

Question 39: Within seven years, about 90 per cent of a human body is replaced as new.

Keywords for this question: seven years, 90 per cent of human body, replaced as new,

In this passage, we don’t find any reference to seven years or 90 percent.

So, the answer is: NOT GIVEN

Question 40: Conserving energy may help khổng lồ extend a human’s life.

Keywords for this question: conserving energy, extend, life,

In paragraph G, the very first lines give us the answer for this question, “It follows from the above sầu that sparing use of energy reserves should tover lớn extend life.”

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