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1

Why is Earth called “the living planet?”
A. It sustains life.
C. It has water at the surface
B. It has an atmosphere
D. All of the above

d

2

Which among the set of planets are called terrestrial?
A. Jupiter, Neptune, Uranus
B. Mercury, Venus, Mars, Earth
C. Earth, Venus, Mars, Jupiter
D. Jupiter, Saturn, Uranus, Neptune

B.

3

What makes the planet Earth habitable compared to other
planets?

A. It has soil. C. It has people.
B. It has trees. D. It has liquid water.

D

4

What makes planet Earth habitable?
A. It has a comfortable distance from the sun.
B. It has an atmosphere that protects from radiation.
C. The atmosphere holds carbon dioxide and other gases.
D. All of the above

D

5

Why is Earth called a terrestrial planet?
A. It has life
C. It is farther from the sun
B. It is closest to the sun
D. It is placed at almost the middle
planets

B.

6

6. Which of the following best describes the surface of the planet
Earth?

A. a thick layer of hydrogen gas
B. cloudy and hot with lots of volcano
C. cold, rocky, and covered with red dust
D. mostly water surface with some areas of land

D

7

7. Earth is said to be a unique planet. Which answer verifies the
statement?
A. It supports life.
B. It is mostly covered in water.
C. Its atmosphere is mostly nitrogen and oxygen.
D. All of the above

D

8

8. Which is supported and sustained by planet?
A. life
B. a moon
C. a rocky core
D. an atmosphere

A

9

9. How many percent of water comprises the Earth?
A. 15% C. 50%
B. 30% D. 70%

D

10

10. Which factors are needed for organisms to live on Earth?
A. temperature and nutrient
B. atmosphere and energy
C. only A
D. both A and B

D

11

11. What characteristics does the Earth have to maintain an
organism’s body to survive?
A. Earth has a water cycle and atmosphere
B. Earth has volcanic activities to circulate nutrients.
C. Earth has sub-surface water or molten rock that can circulate
and replenish nutrients for organisms.
D. All of the above

D

12

12. What makes Earth similar to Venus?
A. Earth and Venus are the right sizes to hold a sufficient
atmosphere.

B. Venus’ atmosphere is 100 times thicker than Earth.

C. Among all the solid planets and moons, only Earth, Venus, and
Titan have significant atmospheres.

D. Both A and C

D

13

13. Which statement about the Earth will help organisms to
survive?
A. Earth has no protective equipment like ozone.

B. Earth has layer water only for favorable climate.

C. Earth has man-made natural cycles

D. Earth’s temperature is neither the hottest nor the coldest
among other planets.

D

14

14. Which distinct characteristic made Earth different from any
other planet?
A. It is the only rocky planet.
B. It is the only planet that turns around in space.
C. It is the only planet that has a large amount of liquid water.
D. It is the only planet that changes its structure

A

15

15. What does Earth offers to human in order to sustain life?
A. Earth has abundant plant life.
B. Earth has sufficient nutrients from ocean to land.
C. Only A
D. Both A and B

D

16

1. What makes planet Earth different from the other planets in the solar
system?
A. It supports life.
C. The atmosphere holds
gases.
B. It is mostly covered in water.
D. All of the above

D

17

2. Which best describe planet Earth? A. It has people that live in it.
B. It has soil where trees grow.
C. It has trees that provide oxygen.
D. It has liquid water in the surface.

D

18

3. What makes planet Earth a “house” for living organisms?
A. It has comfortable distance from the sun.
B. The atmosphere serves as shields from the sun.
C. Only A
D. Both A and B

D

19

4. Which is not true in a comparison between Mars and Earth?
A. It has life mechanism.
B. It has water and atmosphere.
C. It has carbon dioxide in the atmosphere.
D. It has atmosphere
that supports oxygen.

B

20

5. Which must be provided for an organism to survive in planet Earth?
A. Mars has larger isolated shield volcanoes than Earth
B. Mars likely cooled more slowly than Earth.
C. Unlike Earth, there are ices on the polar caps of Mars.
D. Unlike Earth, liquid water has not yet been detected on Mars.

B

21

6. Planet Earth is considered as “blue planet.” Which of the following best
describes the surface of planet Earth?
A. Earth has atmosphere.
B. Earth has lots of volcano.
C. Earth is covered with red dust.
D. Earth has mostly water on the surface.

D

22

7. For many, Earth is different from other planets. Why do you think so?
A. Earth is mostly covered in water.
B. Earth has comfortable distance from the sun.
C. Earth has carbon dioxide on its atmosphere.
D. It has approximately same size as that of Venus.

A

23

8. Which statements best define planet Earth?
A. It has gases. C. It has rocky core.
B. It supports life. D. It supports other planet.

B

24

9. It was found out that Earth’s surface is covered with water.
Approximately, how many percent of water comprises the Earth?
A. 45% water C. 60% water
B. 50% water D. 70% water

D

25

10.Earth can support the survival of organisms. What is/are the factor/s
that make/s Earth habitable?
I. atmosphere III. temperature
II. energy IV. nutrient
A. I C. I, II, III
B. I, II D. I, II, III, IV

D

26

11.In order for an organism to survive, nutrients are needed. What are
the nutrients that planet Earth can offer for an organism to exist?
A. Earth has an atmosphere and ozone layer.
B. Earth has both water cycle and nitrogen cycle.
C. Earth has natural activities to circulate nutrients.
D. All of the above

D

27

12.Many studies have shown similarities of Earth and Venus. What
makes Earth similar with Venus?
A. Earth and Venus have the same orbit.
B. Earth and Venus have the same diameter.
C. Earth and Venus have the same atmosphere.
D. Earth and Venus are of the right size to hold a sufficient
atmosphere.

D

28

13.What makes human and other living organisms capable to live on
Earth?
A. Earth can provide food for the organism.
B. Earth can protect the organism from any possible threat.
C. Earth’s temperature is mostly hot compared to other planets.
D. Earth has the right amount of temperature, water, good
atmosphere, and favorable climate.

D

29

14.Planet Earth is considered uniquely different from any other planets in the Solar system. Which among the given choices correctly answers the statement?
A. Earth is the only planet that changes structure.
B. Earth is the only planet that turns around in space.
C. Earth is the only planet that is mostly covered with water.
D. Earth is the only planet that is mostly made from rocks.

C

30

15.What is the reason why every living thing on Earth has the chance of survival?
A. Earth is covered with 65% water.
B. Earth thick atmosphere consisted mainly of carbon dioxide.
C. Earth has active volcanoes similar with those that are found in
Venus.
D. Earth has ozone layer to protect living organisms from harmful
radiation.

D