Quiz 4

Use your listening notes to decide which answer is correct. You need 65% to progress to complete the course.

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Question 1 of 22

1. Question

Task 2: Why are the Cornel Notes system one of the best ways to take note?

It has 3 sections for notes, comments and summary

It organises and reviews your notes

It was created by a professor at the Cornell university

It is the easiest way to take notes

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Question 2 of 22

2. Question

Task 3: What is the order of the 5 stages to the Cornell notes system?

Record, reduce, reflect, recite and review

Record, reflect, recite, reduce and review

Record, reduce, recite, reflect and review

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Question 3 of 22

3. Question

Task 5: ISS. How much did cost and how long did it take to build?

$120bn / 10 years

$110bn / 9 years

$120bn / 9 years

$110bn / 10 years

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Question 4 of 22

4. Question

Task 5: ISS. What is the mean reason of the ISS?

Looking for planets to colonise

Observing the Earth

Observing the sun

Learning about working and living in space

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Question 5 of 22

5. Question

5. Task 6: Gene editing. What is the main use of gene editing?

to prevent and treat sickle cell disease or cystic fibrosis

to develop an animal’s resistance to disease

to prevent an animal’s transmission to disease

to modify human embryos

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Question 6 of 22

6. Question

Task 6: Gene editing. What is the controversy in the lecture?

Alterations to sickle cells

Alterations to germline cells.

Alterations to somatic cells

Alterations to an animal's DNA

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Question 7 of 22

7. Question

Task 7: Covid-19 vaccines. What are the three categories that vaccine fall into?

Virus vector, nucleic acid and activated.

Viral vector, nucleic acid and activated.

Viral vector, nucleic acid and inactivated.

Virus vector, nucleic acid and inactivated.

Correct

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Question 8 of 22

8. Question

Task 7: Covid-19 vaccines. What is the subtle difference between AstraZeneca/Oxford and Pfizer/BioNTech vaccine?

AstraZeneca uses genetic material

Pfizer combines with a common cold

Pfizer uses mRNA technology

AstraZeneca forms T-cells

Correct

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Question 9 of 22

9. Question

Task 8: endotherms and ectotherms. Which one is of these terms is for warm blooded animals?

endothermic species

ectothermic species

Correct

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Question 10 of 22

10. Question

Task 8: endotherms and ectotherms. True, false or not given. Some animals can be both endothermic species and ectothermic species.

True

False

Not given

Correct

Incorrect

Question 11 of 22

11. Question

Task 8: endotherms and ectotherms. True or false. All cold-blooded animals need to generate heat from their external environment.

True

False

Not given

Correct

Incorrect

Question 12 of 22

12. Question

Task 9: Ozone layer. What caused the Antarctic ozone hole?

Chlorofluorocarbons

CO2

Climate Change

Greenhouse gases

Correct

Incorrect

Question 13 of 22

13. Question

Task 9: Ozone layer. What happened in 2021?

The hole grew extremely quickly over a few months

The hole shrank to the smallest size on record

The hole completely closed

The hole stayed the same size as the year before

Correct

Incorrect

Question 14 of 22

14. Question

Task 9: Ozone layer. Is this ozone hole healed now?

Yes

No

Not sure?

Correct

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Question 15 of 22

15. Question

15. Task 10: The microchip crisis. True, false or not given. There is a microchip crisis because of supply, in that there are limited companies producing the chips, and demand for new technology.

True

False

Not given

Correct

Incorrect

Question 16 of 22

16. Question

16. Task 10: The microchip crisis. What is the percentage of Asian global semi-conductor sales?

50%

60%

70%

80%

Correct

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Question 17 of 22

17. Question

Task 10: The microchip crisis. Why is silicon used in the production of microchips?

It's cheap.

It's made from sand.

It's a semi-conductor.

Correct

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Question 18 of 22

18. Question

18. Task 10: The microchip crisis. How many transistors can fit on one single chip?

1,000

100,000

1,000,000

1,000,000,000

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Question 19 of 22

19. Question

Task 10: The microchip crisis. How many steps and how long does it take to make a single microchip?

1,000 and 2,000 steps over approximately two months.

2,000 and 3,000 steps over approximately two months.

1,000 and 2,000 steps over approximately three months.

2,000 and 3,000 steps over approximately three months.

Correct

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Question 20 of 22

20. Question

Task 10: The microchip crisis. The main microchip industries are:

Intel, TSMC and Samsung.

Dell, intel and TSMC.

Apple, Samsung and Intel.

Correct

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Question 21 of 22

21. Question

Task 10: The microchip crisis. What is the main issue with microchip production?

It's incredibly expensive.

Chips go obsolete quickly.

High yields and profits above $3bn are necessary.

All the above issues.

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Question 22 of 22

22. Question

22.Task 10: The microchip crisis. What was the lecturer’s main solution in the summary of the lecture?

Microchip companies should lower their yields and profit margins.

World governments should invest in the big three microchip plants in Asia.

World governments should invest in their own microchip plants.

Just wait and see what happens.

Correct

Incorrect