Grade 12 Reading Exercise

It hosts Grade 12 reading materials and exercises covering main question types, provides answers for all questions; students can get reading materials and exercises by topics or types and practices online.

 All Exercises
Penguins' Anti-ice Trick
Words: 734    Suggest to finish in 10 minutes.
Britain TV Industry
Words: 876    Suggest to finish in 15 minutes.
Australian Aborigines
Words: 969    Suggest to finish in 15 minutes.
Truth About ART
Words: 971    Suggest to finish in 15 minutes.
Life Without Death
Words: 971    Suggest to finish in 15 minutes.
Mysterious Dark Matter
Words: 1012    Suggest to finish in 20 minutes.
Crime-Fighting Technology
Words: 1038    Suggest to finish in 20 minutes.
Risks Of Artificial Intelligence
Words: 1113    Suggest to finish in 20 minutes.
Reveal How To Think
Words: 1120    Suggest to finish in 20 minutes.
Gender Price Gap
Words: 1135    Suggest to finish in 20 minutes.
In Praise of Amateurs
Words: 1156    Suggest to finish in 20 minutes.
Toddlers Bond With Robot
Words: 1196    Suggest to finish in 20 minutes.
Cognitive Dissonance
Words: 1213    Suggest to finish in 20 minutes.
What A Waste
Words: 1291    Suggest to finish in 20 minutes.
Romantic Kiss
Words: 1309    Suggest to finish in 20 minutes.
Start-Ups Stay Private
Words: 1602    Suggest to finish in 20 minutes.
Gene Editing
Words: 1832    Suggest to finish in 20 minutes.
 Today's Question
Questions 1–5: Do the following statements agree with the information given in the Reading Passage? Answer True, False or Not given.
True: if the statement agrees with the information
False: if the statement contradicts the information
Not given: if there is no information on this
1. The research carried out at the Francis Crick Institute in London is likely to be controversial.
Answer 1:

2. Gene editing, like the one in the upcoming research, can happen naturally in humans or other animals.
Answer 2:

3. CRISPR-Cas is a gene editing technique.
Answer 3:

4. CRISPR was noticed when the researchers saw some odd repetitive sequences at the ends of all bacterial genes.
Answer 4:

5. A group of American researchers made an important revelation about the CRISPR.
Answer 5:
Questions 6–9 Choose the appropriate letters A, B, C, or D.
6. 'Spacer' sequences look odd because:
A)they are a bacterial immune system
B)they are DNA from viruses
C)they aren't bacterial in origin
D)all of the above
Answer 6:

7. The ones, who were excited about the CRISPR's discovery, were:
A)biologists
B)geneticists
C)physicists
D)A and B
Answer 7:

8. Word "learns" in the 6th paragraph means:
A)determines
B)gains awareness
C)adapts
D)studies
Answer 8:

9. What makes CRISPR better than even our adaptive immune system?
A)long history of existence
B)immortality
C)heritability
D)adaptiveness
Answer 9:
Questions 10–16: Complete the sentences below. Write NO MORE THAN TWO WORDS from the passage for each answer.
10. Vaccination is so effective because it involves with a weakened version of a pathogen.

11. CRISPR adaptive immune system works in a way that seems, at least superficially, superior to ours. But perhaps our is the problem, according to Griffin.

12. Some microbes write their experience into the genome and pass the information to their .

13. Before Darwin, one of the most famous ideas was proposed by a scientist, Lamarck.

14. are often used to demonstrate Lamarck's hypothesis.

15. Lamarck's ideas became deeply unpopular as soon as Darwin's ideas .

16. No biologist agrees with Lamarck's idea that the inherent drive to perfection is the key feature of evolution.