Questions

First Text

• Approximately how much of the Earth's atmosphere is nitrogen?

• (A) One-fourth

• (B) One-half

• (C) Three-fourths

• (D) All of it

2- Which of the following helps to create Earth's magnetic fields?

• (A) Its blue waters

• (B) Its nitrogen atmosphere

• (C) Its molten metal core

• (D) The Moon

• 3- What two factors help protect the Earth from radiation?

• (A) Magnetic field and atmosphere

• (B) Rapid spin and molten iron-nickel core

• (C) The Sun and the Moon

• (D) Blue waters and white clouds

• 4. In line 2, "consisting" most nearly means

• (A) hardening.

• (B) containing.

• (C) withholding.

• (D) shortening

• 5. Why does the Earth show almost no signs of having been hit by numerous meteors in the past?

• (A) Humans have built over most of the craters.

• (B) Most meteors fell into the ocean and not on land.

• (C) Earth's magnetic field repeled most meteors.

• (D) Earth's natural geologic activity has eliminated most traces.

6- The main idea of this passage is that

• (A) there are life-supporting characteristics on Earth.

• (B) Earth is predominantly water.

• (C) Earth has no common characteristics with other planets.

• (D) Earth is the only planet with a moon.

7- The word "distinguishing" as it is used in this selection means

• (A) elevating in nature.

• (B) devastating in nature.

• (C) characteristics like all other planets.

• (D) characteristics that set it apart from other planets.

• 8. It's probable that the next paragraph would discuss

• (A) people on planets.

• (B) the solar system as a whole.

• (C) the Earth's natural satellite—the Moon.

• (D) rings around Saturn.

• 9- As used in this selection, the word "harbor" is synonymous with

• (A) support

• (B) surround

• (C) water

• (D) include

• 10. This selection leads one to believe that

• (A) Earth never gets hit by meteors.

• (B) Earth always gets hit by meteors.

• (C) Earth was hit by meteors in some past time period.

• (D) Earth may be bombarded by meteors in the near future.

Questions: Second text

• 11. In line 1, "eons" most nearly means

• (A) ages.

• (B) particles.

• (C) animals.

• (D) conditions.

12- Which of the following is a form of man's habitat alteration?

• (A) Glacial encroachment

• (B) Hurricanes

• (C) Damned rivers

• (D) Snowstorms

13- Which of the following have become extinct due to man's destruction ??

• (A) African elephants

• (B) Irish elk

• (C) Giant panda

• (D) White Bengal

• 14- Which of the following would be a likely theme for the next paragraph ?

• (A) Naturally changing ecological conditions

• (B) Animals that have become extinct• (C) Achievements of the government

Endangered Species program• (D) Programs that have destroyed natural

habitats

15- In line 6, "attribute" most nearly means

• (A) assign.

• (B) characteristic.

• (C) introduce.

• (D) change.

16- The tone of this passage is

• A) nationalistic

• (B) pro-wildlife

• (C) anti-wildlife

• (D) feminist

17- "Habitat alteration" as used in this paragraph means

• (A) changing clothes.

• (B) changing animals' environments.

• (C) changing humans' environments.

• (D) climate change.

18- According to this passage,• (A) man is the cause of some animal

extinction.• (B) animals often bring about their own

extinction.• (C) Congress can absolutely end

extinction of animals.• (D) a law is more important than human

responsibility.

19. Which of the following is NOT a cause of increasing decline of wild animal population?

• (A) Exploitation

• (B) Pollution

• (C) Habitat alteration

• (D) Congressional law

• 20. The primary objective of the U.S. Fish and Wildlife Service's Endangered Species Program can be stated as

• (A) custodial care of endangered species.

• (B) enforcement of Congressional law.

• (C) education of the public.

• (D) stopping pollution.