Secondary 2 Sample Test

1.
The following statements provide information about the classification

hierarchy of lions:
i. Lions belong to the order carnivora with other mammals
that have evolved to have a strict carnivorous diet.
ii. Lions belong to the class mammalia with other organisms
that possess mammary glands.
iii. Lions belong to the phylum chordata with organisms that
developed a backbone from a notochord.
Which of the following statements is false?
A. Chordata is the broadest classification of organisms and carnivora
is the narrowest classification among the three
B. Lions and human beings belong in the same phylum, class, and
order
C. Lionesses provide milk for their cubs
D. The development of the cubs happens inside the womb of their
mother
2. Which of the following shows incorrect information about cells and

organisms?
I. Plants can hold water much longer than animals because they have
larger cytoplasm in their cells
II. Prokaryotic cells do not have a membrane that houses their genetic
information
III. Viruses are considered organisms because they contain genetic
material
IV. All organisms can produce an offspring
A. Both I and II C. Both I and III

B. Both II and III D. Both III and IV
3. Which of the following concepts about the theory of natural selection is
true?
A. The struggle for survival results when species produce more

offspring than the resource capacity.
B. The strength of the species dictates its survival. This means apex
predators are more likely to survive compared to their prey.
C. Both A and B
D. Neither A nor B
4. What refers to the entirety of the genetic information of a cell or an

organism?
A. Chromosome C. Genome
B. Gene D. Allele
5. Which of the following statements about the circulatory system is true?
I. The arteries transport blood towards the heart.

II. Blood flow in the capillary is very slow to ensure maximum
material exchange.
III. The pressure when blood flows through the arteries is higher
compared to when blood flows through the veins
IV. The capillaries have the narrowest diameter while the arteries
have the widest diameter.
A. Both I and II
B. Both II and III
C. Both III and IV
D. Both I and IV
6. Which of the following statements about the common phases of matter
is false?
A. The highly compact arrangement of the particles gives the solid a

definite shape
B. The particles of a gas feel less attraction to one another compared
to that of a liquid
C. Energy can be supplied or lost to change the state of matter
D. Energy is required to condense a gas
7. Which of the following is a chemical change?
A. Distillation of water and methanol

B. Water cycle
C. Formation of acid rain
D. None of the above
8. How many neutrons does 26𝐹𝑒 have?

58 2+
A. 28 C. 32
B. 30 D. 34
9. Which of the following generalizations is not consistent with the

established gas laws?
A. Heavier gas particles escape through tiny holes at a slower rate

than lighter gas particles
B. The space occupied by gas particles increases as temperature
increases
C. The pressure experienced by gas particles increases as the space
around them decreases
10. Given the unbalanced reaction 𝐾𝑂𝐻 + 𝐻3 𝑃𝑂4 → 𝐾3 𝑃𝑂4 + 𝐻2 𝑂, find
the sum of the coefficients of the corresponding balanced reaction.
A. 6 C. 10
B. 8 D. 12
11. The electromagnetic spectrum consists of electromagnetic waves

moving at the speed of light. If red has the longest wavelength and violet
has the shortest wavelength among the visible range, which of the
following statements is/are true?
I. As the color moves from red to violet, the frequency of the wave
producing that color decreases.
II. Colors closer to red than violet would have higher wavelengths.
III. Colors closer to red than violet correspond to faster waves.
A. II and III only C. III only

B. II only D. I and II only
12. If an object, weighing 5 kg is thrown upwards with an initial velocity of

10 m/s. Determine the maximum height reached by the object.
A. 4.10 m C. 6.10 m
B. 5.10 m D. 7.10 m
13. What refers to a type of wave where its particles oscillate at a direction
perpendicular to the direction where the wave propagates?
A. Transverse C. Longitudinal
B. Mechanical D. None of the above
14. Which of the following statements is not consistent with Newton’s
laws of motion?
A. For a body at rest, applying an unbalanced external force would

cause the body to move
B. The direction of the change in the body’s velocity would be in the
same direction as the direction of the external force applied to it
C. For a body in motion, if the external forces applied to it cancels out,
the velocity would still change
15. Determine the power needed to carry a luggage that weighs 15 kg to the
second floor, which is 4 m above the ground for 60 seconds.
A. 0 W C. 10 W
B. 5 W D. 15 W
16. Which of the following does not facilitate nitrogen fixation or the
conversion of atmospheric nitrogen to usable forms?
A. Lightning
B. Diazotrophs or bacteria such as rhizobium and azotobacter
C. Chemical reactors
17. Which of the following statements is/are true about the carbon cycle?
I. Autotrophs exclusively consume carbon dioxide and never

produce it.
II. Dissolved carbon dioxide in water causes the formation of
limestones.
III. The produced gaseous methane will eventually be oxidized to form
carbon dioxide.
A. I and II only C. III and I only

B. II and III only D. All of the above
18. Which of the following is not a greenhouse gas?
A. Carbon dioxide C. Sulfur dioxide

B. Methane D. Water vapor
19. Which of the following layers of the Earth is responsible for generating
Earth’s magnetic field?
A. Crust
B. Mantle
C. Core
20. Which refers to a group of populations living and interacting with each
other in a particular area?
A. Community C. Niche
B. Habitat D. Ecosystem
21. Which of the following choices shows the correct life sequence of a star
starting from its birth to its death?
A. Giant Molecular Cloud, Main Sequence, Red Giant, Supernova,

Remnant
B. Giant Molecular Cloud, Red Giant, Main Sequence, Supernova,
Remnant
C. Supernova, Red Giant, Giant Molecular Cloud, Main Sequence,
Remnant
D. Main Sequence, Giant Molecular Cloud, Red Giant, Supernova,
Remnant
22. Which of the following layers of the atmosphere shield Earth from the
incoming X-rays?
A. Troposphere C. Mesosphere
B. Stratosphere D. Thermosphere
23. Which of the following statements about the global surface temperature
is false?
A. The amount of solar energy a planet receives is directly proportional

to the distance of the planet from the Sun
B. The value for the planet’s albedo can never exceed 1
C. The higher the albedo value, the lower the surface temperature of a
planet
D. The more greenhouse the atmosphere of a planet has, the lower solar
energy is radiated back to space
24. Which of the following information about the tilt in the planet’s axis of
rotation is/are not accurate?
A. The smaller the tilt of the planet’s axis of rotation, the colder the
poles would be
B. The Earth’s albedo decreases as the Earth’s axial tilt decreases
C. The larger the tilt in the planet’s axis of rotation, the warmer the
summers would be
D. The tilt in the Mars’s axis is fluctuating more compared to Earth’s
because of its significantly smaller moons
25. Which of the following information about the Earth’s orbit is consistent
with the Kepler’s Laws of Planetary Motion?
A. The orbit of a planet is an ellipse where the Sun is a focus
B. The square of the period of revolution of a planet is directly
proportional to the cube of the length of the semi-major axis.
C. Both A and B
D. Neither A nor B
- End of Test -

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1.

The following statements provide information about the classification

2. Which of the following shows incorrect information about cells and

A. Both I and II C. Both I and III

A. The struggle for survival results when species produce more

4. What refers to the entirety of the genetic information of a cell or an

5. Which of the following statements about the circulatory system is true?

I. The arteries transport blood towards the heart.

A. The highly compact arrangement of the particles gives the solid a

7. Which of the following is a chemical change?

A. Distillation of water and methanol

8. How many neutrons does 26𝐹𝑒 have?

9. Which of the following generalizations is not consistent with the

A. Heavier gas particles escape through tiny holes at a slower rate

11. The electromagnetic spectrum consists of electromagnetic waves

A. II and III only C. III only

12. If an object, weighing 5 kg is thrown upwards with an initial velocity of

A. For a body at rest, applying an unbalanced external force would

I. Autotrophs exclusively consume carbon dioxide and never

A. I and II only C. III and I only

A. Carbon dioxide C. Sulfur dioxide

A. Giant Molecular Cloud, Main Sequence, Red Giant, Supernova,

A. The amount of solar energy a planet receives is directly proportional

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