P4 TOEFL Feb25

What is the author's main purpose in writing the passage?

• To compare the products cre­ated by two agricultural scien­tists

• To demonstrate how Carver and Burbank influenced American agriculture

• To contrast the careers and methods of two scientists

• To explain how Charles Darwin inspired both Carver and Bur­bank

According to the passage, which of the following best describes the re­lationship between Burbank and Carver?

• They were competitors

• Carver was one of Burbank's teachers

• Burbank invited Carver to work with him

• They were personal friends

It can be inferred that Burbank's first "plant creation" is known as the ...

• Early Rose potato

• Burbank potato

• Lunenberg potato

• Wizard potato

The word his in line 13 refers to...

• George Washington Carver's

• Gregor Mendel's

• Luther Burbank's

• Charles Darwin's

Which of the following is closest in meaning to the word thwarted in line 16?

• Restored

• Predated

• Nurtured

• Defeated

The word thorough in line 18 is clos­est in meaning to ...

• complete

• general

• puzzling

• precise

The author implies that a significant difference between the techniques of Burbank and those of Carver is that ...

• while Carver kept careful re­search records, Burbank did not

• Carver popularized his achieve­ments, but those of Burbank were relatively unknown

• unlike Burbank, Carver concen­trated mainly on developing new varieties of plants

• Burbank bred both plants and animals, but Carver worked only with plants