Determine Central Idea and Summarize Practice Test

Read the passage. (1) Photosynthesis is essential for life on Earth. (2) Plants capture sunlight and turn it into chemical energy stored in sugar. (3) That stored energy supports food chains when animals eat plants or other animals. (4) Photosynthesis also produces oxygen, which many organisms need to survive. (5) Together, these results show why the process matters to nearly all living things. What are the most important points to include in an objective summary?

Read the passage. (1) The printing press revolutionized communication in the 15th century. (2) Before the press, books were copied by hand, which made them costly and uncommon. (3) Gutenberg’s invention allowed books to be produced quickly and cheaply. (4) As a result, more people could learn to read and gain access to education. (5) New ideas spread faster across Europe. Which summary is objective (without personal opinion or judgment)?