Digital SAT: Punctuation Drills 1

1. During the Renaissance, artists such as Leonardo da Vinci studied anatomy closely ____ their observations improved the realism of their paintings.

A) and

B) , and

C) ; and

D) : and

Question 1 of 10

2. Although the telescope was invented in the early 17th century ____ Galileo’s improvements that made it a powerful scientific instrument.

A) it was

B) ; it was

C) : it was

D) , it was

Question 2 of 10

3. The Amazon rainforest ____ contains millions of species.

A) , one of the most biodiverse regions on Earth,

B) one of the most biodiverse regions on Earth

C) ; one of the most biodiverse regions on Earth

D) : one of the most biodiverse regions on Earth

Question 3 of 10

4. Marie Curie conducted groundbreaking research on radioactivity ____ she became the first woman to win a Nobel Prize.

A) and

B) ; and

C) , and

D) : and

Question 4 of 10

5. The Great Barrier Reef located off the coast of Australia ____ the largest coral reef system in the world.

A) is

B) , is

C) ; is

D) : is

Question 5 of 10

6. Because the Industrial Revolution began in Britain ____ quickly to other parts of Europe and North America.

A) it spread

B) , it spread

C) ; it spread

D) : it spread

Question 6 of 10

7. The novel Frankenstein by Mary Shelley ____ explores themes of creation and responsibility.

A) published in 1818

B) , published in 1818,

C) ; published in 1818

D) : published in 1818

Question 7 of 10

8. Many scientists study climate change ____ predicting its exact effects remains challenging.

A) , however,

B) however,

C) ; however,

D) : however,

Question 8 of 10

9. The Nile River flows through northeastern Africa ____ it is one of the longest rivers in the world.

A) , and

B) and

C) ; and

D) : and

Question 9 of 10

10. Because the Library of Alexandria was destroyed in antiquity ____ must reconstruct its holdings from scattered references in other ancient sources.

A) historians

B) ; historians

C) , historians

D) : historians

Question 10 of 10