MockmeeMockmee
Start now
Reading answers with explanations

IELTS · Part 1 · Cambridge IELTS 21 – Test 2

Do animals dream?: Reading answers

Answers to questions 1–13 (13 in all), each with why it is right.

Sit it first, then check

Read the whole passage and answer in the exam interface, timed as on the day.

Practise this part

The passage opens

Studies using electrodes attached to the heads of sleepers have shown that when we sleep, we do so in two ways that alternate throughout the night. The first is rapid eye movement (REM) or active sleep. During this stage our eyes move, even though our eyelids are closed. Our muscles also twitch slightly, though they are largely paralysed so we don't hurt ourselves. In contrast, we also engage in non-REM sleep, during which we barely move at all. Most dream states, and certainly those with the most vivid dreams, happen during REM sleep. There's some evidence that other mammals may also dream. For example, researchers compared the brain patterns of rats running through a maze when awake with…

Answers 1–13

  1. 1

    rats Table completion

  2. 2

    visual Table completion

  3. 3

    half Table completion

  4. 4

    temperature Table completion

  5. 5

    vivid Table completion

  6. 6

    Dreaming about past experiences helps us to create lasting memories of them.

    TRUE True / False / Not Given

  7. 7

    It is now possible to tell what type of dream a dog is having.

    FALSE True / False / Not Given

  8. 8

    David Scheel's documentary was influential on other research into the sleeping patterns of octopuses.

    NOT GIVEN True / False / Not Given

  9. 9

    While it was asleep, the octopus called Costello reacted as if it was hunting.

    FALSE True / False / Not Given

  10. 10

    Scheel believes more research into octopuses' dreams should be carried out.

    TRUE True / False / Not Given

  11. 11

    We may soon be able to share the dreams of other human beings.

    FALSE True / False / Not Given

  12. 12

    Hearing may be an important part of the dreams of some animals.

    NOT GIVEN True / False / Not Given

  13. 13

    Interest in the reasons why humans dream has increased greatly in recent times.

    NOT GIVEN True / False / Not Given

More Reading answers

IELTS · Part 2

Does education fuel economic growth?

IELTS · Part 2

Driverless cars

IELTS · Part 3

Environmental practices of big businesses

IELTS · Part 2

EUROPEAN TRANSPORT SYSTEMS 1990-2010

IELTS · Part 1

Flying tortoises

IELTS · Part 2

Forest management in Pennsylvania, USA

Mockmee is not affiliated with, endorsed by or connected to IELTS, the British Council, IDP or Cambridge.