DIAGNOSTIC TEST IN SCIENCE 7
SY 2022-2023
Instructions: Read each question carefully and shade the correct answer in the
answer sheet provided to you. Do not write anything on this test questionnaire.
1. What variable can be manipulated during experiment?
A. Controlled
B. Dependent
C. Experimental
D. Independent
2. Dave used what step in scientific method when he listens to the sounds that
dogs produced?
A. Interpreting data
B. Drawing conclusions
C. Making a hypothesis
D. Making observations
3. Esophagus is a tube-like organ that connects the mouth and throat to the
stomach. Heartburn occurs when stomach acid flows back up into the esophagus.
What kind of medicine a person should take to relieve heartburn?
A. Acidic
B. Basic
C. Neutral
D. Acidic and basic
For item 4, complete the analogy.
4. Metal: Iron as
A. Metalloid: Boron
B. Metalloid: Fluorine
C. Non-metal: Beryllium
D. Non-metal: Manganese
5. Nitrogen (N) and Hydrogen (H) are pure substances. Each is made of only one
type of atom, but Nitrogen atoms are different from Hydrogen atoms. Nitrogen
and Hydrogen chemically combine to form ammonia (NH3). Which of the following
best describes about Carbon, Hydrogen and ammonia?
A. Carbon, Hydrogen, and ammonia are all elements.
B. Carbon, Hydrogen, and ammonia are all compounds.
C. Carbon and Hydrogen are elements while ammonia is a compound.
D. Ammonia is an element while Carbon and Hydrogen are compounds.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
6. Which is a type of mixture that does not look the same throughout the
substance?
A. Compound
B. Element
C. Homogeneous mixture
D. Heterogenous mixture
7. Norman sees a particular mixture and concludes that it is heterogenous. What
property that best defines a heterogenous mixture?
A. It contains at least two different substances.
B. It looks the same all throughout the mixture.
C. It is a pure substance which cannot be broken down.
D. It has a uniform composition throughout the mixture.
8. Marcy asked Gabby to choose one homogenous and one heterogenous mixture.
Which mixture will he choose?
A. Salt and water
B. Vinegar and tap water
C. Tap water and fruit salad
D. Garden salad and halo-halo
9. Lea is trying to make an unsaturated solution into a saturated one. What
should she apply?
A. Add more solute
B. Add more solvent
C. Increase the temperature
D. Decrease the temperature
10. Why is a saturated solution different from unsaturated one? Select a pair of
statements that best differentiate the two.
I. Saturated solution is incapable of dissolving more solute at a given
temperature.
II. Unsaturated solution is capable of dissolving more solute at given
temperature.
III. Unsaturated solution is incapable of dissolving more solute at a given
temperature.
IV. Saturated solution is capable of dissolving more solute at a given
temperature.
A. I and III
B. II and IV
C. IV and III
D. I and II
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
11. A solution is prepared by mixing 30ml of ethyl alcohol in 70ml of water. What
are the concentrations of the solute and solvent in % by mass?
A. Solute 42%, solvent 58%
B. Solute 58%, solvent 42%
C. Solute 30%, solvent 70%
D. Solute 70%, solvent 30%
12. Billy prepares four (4) different concentrations of solutions. Which solution is
the most concentrated?
A. 35 g of salt in 100 ml of water
B. 40 g of salt in 100 ml of water
C. 50 g of salt in 100 ml of water
D. 75 g of salt in 100 ml of water
For items 13-14, refer to Figure 1 below.
Eyepiece
Body tube
Coarse adjustment
Fine adjustment
Revolving nosepiece
Objectives
Condenser
Inclination joint
Mirror
Base
Figure 1. Compound Microscope
(Source:https://byjus.com/biology/study-of-the-parts-of-a-compound-microscope/)
13. What is the function of the revolving nosepiece of the microscope?
A. It holds the slides in place.
B. It gives support to its entire weight.
C. It spins around to change the objectives.
D. It connects the eyepiece to the diaphragm.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
14. How would you compare the coarse adjustment knob from fine adjustment knob?
A. The coarse adjustment rotates the objectives while the fine adjustment gives
a sharp image.
B. The coarse adjustment holds the specimen while fine adjustment moves
the specimen up and down.
C. The coarse adjustment gives a sharp image, while fine adjustment brings
the specimen into general focus.
D. The coarse adjustment brings the specimen into general focus while fine
adjustment maximizes the detail of the specimen.
15. Jen manipulated the compound microscope, she placed the slide at the center of
the stage and started to focus. What would be the direction of the image if she
moved the slides to the right?
A. The image will move upward.
B. The image will move to the left.
C. The image will move downward.
D. The image will move to the right.
16. Chloe and Mario cut the roots of a “Mayana” plant for their microscope focusing.
Chloe sliced it very thin while Mario did it thick. Then, they will view it under
compound microscope. Who do you think will focus on a clearer view?
A. Chloe because the specimen is very thin.
B. Mario because the specimen will appear bigger.
C. Chloe because the light cannot pass through the specimen.
D. Mario because the light cannot pass through the specimen.
17. Romeo would like to compare all levels of the organization should function well.
He noticed that they are similar in this aspect. Which one is it?
A. The lower level does not affect the higher level of organization.
B. If one level will not function well it does not affect the next level.
C. All levels have a unique function that does not affect the organization.
D. If one level failed to function well, it will affect the whole organization.
18. Every recess time Ana always eats junk foods and she seldom drinks water. If
you were Ana, will you do the same thing?
A. No, because it will damage my kidney.
B. Yes, because it will not affect my kidney.
C. No, because it can damage some organ systems of my body.
D. A & C
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
19. Complete the Venn diagram below to show the relationship of the organelles in
plant and animal cell. Which of the following organelles would complete the
diagram?
Plant Cellt
Animal Cell
Cell membrane
Chloroplasts
Nucleus
1._________
Cell wall
Endoplasmic
reticulum
2._________
Large vacoules
Mitochondria
Golgi body
Cytoplasm
I. Centrioles
II. Nucleus
III. Small vacuoles
IV. Endoplasmic reticulum
A. I and II
B. I and III
C. I and IV
D. II and III
20. Cell membrane guards the organelles. It evaluates whether nutrients can pass
through and into the cell. Which one is a true statement?
A. Yes, because the cell membrane is fluid-filled.
B. Yes, because the cell membrane is semi-permeable.
C. Yes, because the cell membrane is not stiff and rigid.
D. Yes, because the cell membrane has embedded organelles.
21. Ria went to a plant nursery with her friends. The gardener approached them and
asked about their choice of plant. Ria’s friend wanted a flowering plant with
fragrance. Gardner showed them a plant and told them that this variety has been
prepared by a method of vegetative propagation of stems. Ria became curious and
asked what is vegetative propagation. What is most likely the explanation of the
gardener?
A. Vegetative propagation is often faster than growing plants from seeds.
B. Vegetative propagation means that each flower has both male and female
organs.
C. Vegetative propagation is referring to the transfer of pollen grains from
anther to the stigma.
D. Vegetative propagation is the process of reproduction in which new plants
are produced from different parts of old plants like stem, roots or leaves.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
22. Why is the process of reproduction necessary?
A. The process of reproduction is necessary for the formation of offspring
through the continuing of the cycle of life.
B. The process of reproduction is necessary so that the individual can
reproduce through the combination of two organisms.
C. The process of reproduction is necessary because it requires the organisms
to produce gametes that are necessary for fertilization.
D. The process of reproduction is necessary for the perpetuation and
preservation of species and to increase the number of members of species.
23. A component/factor in the ecosystem involving the nonliving chemical and
physical factors that help sustain life in the ecosystem.
A. Abiotic
B. Biotic
C. Community
D. Environment
24. Bees fly from flower to flower gathering nectar and pollinate. The relationship
that exists between two organisms wherein an organism benefits and the other is
unharmed.
A. Commensalism
B. Mutualism
C. Predation
D. Symbiosis
25. Select a situation that contains only abiotic conditions that might be found in a
pond ecosystem.
A. Bacteria, dissolved minerals in the water, temperature of the water
B. Dissolved oxygen in the water, fish populations, insect populations
C. Temperature of the water, green plant populations, dissolved minerals in
the water
D. Temperature of the water, dissolved oxygen in the water, dissolved minerals
in the water
26. Which is defined as a change in position for a time interval?
A. Acceleration
B. Distance
C. Displacement
D. Motion
27. What is described as the distance covered divided by the time of travel?
A. Acceleration
B. Distance
C. Displacement
D. Speed
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
28. How long does it take for Raul to reach his destination which is 300 km away if
he drives for 60 km/hr?
A. 0.2 hour
B. 0.5 hour
C. 2 hours
D. 5 hours
29. George loves to play soccer, his average kick on the ball is being represented by
the figure below, what is the distance travelled by the soccer ball at 10 seconds?
Figure 2. Time & Distance
(Adapted from the WLAS written by Albie Jel R. Cornites, DepEd Cabadbaran City Division)
A. 0 meter
B. 5 meters
C. 10 meters
D. 15 meters
30. Looking at the table below, representing the motion of the soccer ball, how many
seconds did it take to cover 5-meter distance?
Table 1. Time & Distance
(Adapted from the WLAS written by Albie Jel R. Cornites, DepEd Cabadbaran City Division)
A. 0 second
B. 5 seconds
C. 10 seconds
D. 15 seconds
31. Donna is an astronaut. While working outside their station, she sees an
explosion in another nearby station. Do you think Donna can hear the explosion?
Please support your answer.
A. Maybe. It depends on Donna’s location.
B. Yes. Because energy transfer of sound waves is possible in space.
C. No. Because energy transfer of sound waves is not possible in space.
D. None of the above.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
32. What refers to the lowness or highness of sound?
A. Amplitude
B. Frequency
C. Loudness
D. Pitch
For item 33, refer to Table 2 below.
Table 2: Characteristics of Colors of Lights
Color of Light
Wavelength
Frequency
Violet
400nm
744Hz
Green
530nm
566Hz
Yellow
580nm
517Hz
Red
700nm
422Hz
33. Which of the following is true about the speed in a vacuum of these colors of
light?
A. All colors of light have equal speeds in a vacuum.
B. All colors of light have varying speeds in a vacuum.
C. Red light has the highest speed while violet light has the lowest speed.
D. Violet light has the highest speed while red light has the lowest speed.
34. X-rays are useful in diagnosing fractured bones but long exposure to it is
harmful. If you have a fractured bone, are you willing to have an X-ray scan?
A. Yes, because X- ray can penetrate the flesh but not the bones.
B. Yes, because X-rays scan are useful in proper diagnosis of bone
fracture.
C. No, because X-ray cannot make you feel better and stronger.
D. No, because X-ray can damage healthy living cells, tissues and can
cause cancer.
35. How will you describe heating?
A. It is the process of emitting internal energy.
B. It is the process of exchanging internal energy.
C. It is the process of increasing the internal energy.
D. It is the process of decreasing the internal energy.
36. What is the charge of a proton?
A. Negative
B. Neutral
C. Positive
D. Zero
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
For item 37, locate the coordinate system of the numbered point given in the Figure
3 below.
Figure 3. Latitude and Longitude Grid
(Source: http://solar-center.stanford.edu/solar-images/latlong.html)
37. What is the latitude and longitude of point 6?
A. 150 N, 150 W
B. 300 S, 150 E
C. 450 S, 450 W
D. 450 N, 300 W
38. In determining the exact locations on Earth, what coordinate systems are we
going to consider?
I. Use the lines of latitude only.
II. Use the lines of longitude only.
III. Use the intersecting lines of latitude and longitude.
A. I only
B. II only
C. III only
D. II and III only
39. Among the statements below, which of the following is true about natural
resources?
A. Natural resources are created by humans.
B. Natural resources are used by humans only.
C. Natural resources are produced through scientific experiments.
D. Natural resources exist in nature and sustain the needs of all living
things.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
40. Shella lives in a community that is recognized as a breeding ground of an
endangered bird because of the presence of its richness and abundant food
source. However, a number of people in her community cut too many trees for
lumber, paper, and building of houses. Are their actions justifiable?
A. Yes, because the main livelihood of the people is cutting trees.
B. Yes, because we need more supplies of paper for schools and offices.
C. No, because cutting the trees will destroy the habitat and reduce the
food source.
D. No, instead of cutting the trees, they should hunt and sell threatened
animals.
41. What happens to the temperature on Earth if more greenhouse gases are
released into the atmosphere?
A. Temperature will increase.
B. Temperature will decrease.
C. Temperature will stay the same.
D. Temperature will fluctuate drastically.
For item 42, refer to Figure 4 below.
Figure 4. Height And Temperature Profile of The Layers of The Atmosphere
(Source: https://link.springer.com/referenceworkentry)
42. From the figure above, which layer of the atmosphere has the coldest
temperature and is approximately 10 km above the ground?
A. Mesosphere
B. Stratosphere
C. Thermosphere
D. Troposphere
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
43. What type of Monsoon occurs during the month of August?
A. Northeast Monsoon
B. Northwest Monsoon
C. Southeast Monsoon
D. Southwest Monsoon
44. Which of the following statements best describes the Northeast monsoon?
A. It is known as hanging habagat.
B. It is characterized by frequent heavy rain and strong winds.
C. It occurs during the month of June to October and characterized by
frequent heavy rain.
D. This is a season characterized by a slight to moderate rainfall and
prevailing cold winds.
45. Why are the seasons in the Northern and Southern hemispheres different?
A. Because the Earth is regularly rotating around the sun.
B. Because the distance between the earth and the sun is constant.
C. Because during summer or winter, one part of the earth is closer or
farther to the sun.
D. Because the sun is moving around the earth, so one side of the earth
is warm, and the other half is cold.
46. What is the relationship between the Earth's latitude and the sun's rays?
A. The lower the latitude of a place, the lesser the amount of sun rays it
receives.
B. The higher the latitude of a place, the lesser the amount of sun rays it
receives.
C. The higher the latitude of a place, the greater the amount of sun rays
it receives.
D. The lower the latitude of a place, the minimal is the amount of sun rays
it receives.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
For item 47, refer to Table 3 below.
Table 3: Sunrise and Sunset in Manila on Selected Days of 2011
(Source: Wilfredo D. Bartolo, Grade Science 7 Quarter Module 5: Behind the Length of Daytime is the Tilt of the
Earth’s Axis, DepEd, 2020, pg.6)
47. Based on the table given, when was daytime the longest and the shortest?
A. Daytime was longest on July 22, 2011, and shortest on
December 22, 2011.
B. Daytime was longest on June 22, 2011, and shortest on
December 22, 2011.
C. Daytime was longest on January 22, 2011, and shortest on
December 22, 2011.
D. Daytime was longest on January 22, 2011, and shortest on
September 22, 2011.
48. Which of the following astronomical object moves into the shadows of the earth
during a lunar eclipse?
A. Asteroid
B. Meteor
C. Moon
D. Sun
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test
For item 49, refer to Figure 5 below.
Figure 5. Shadows of the Moon and Earth.
(Source: Ivy P. Mejia, Grade, Science 7 Sciece Learning Material Unit 4: Earth and Space, DepEd, 2012, pg.157)
(Illustrated by: Alvin J. Encarnacion)
49. Based on the given figure above, look at the shadows of the moon and earth.
Locate where does the shadow of the moon fall?
A. The shadow of the moon falls on earth.
B. The shadow of the moon slightly falls on earth.
C. The shadow of the moon does not fall on earth.
D. The shadow of the moon sometimes falls on earth.
50. Marie, Eliza, and Sam are tasked to observe an astronomical phenomenon that
happens tonight. They directly observed that the moon turns red. Thus, they
concluded that it is called a Lunar Eclipse. Is their conclusion correct?
A. No, because the phenomenon is called a solar eclipse.
B. No, because the moon must turn brownish in color to be called a
lunar eclipse.
C. Yes, because when a shadow formation is present, it is always called a
lunar eclipse.
D. Yes, because it happens at night and the color of the moon that time
is a manifestation that there is a lunar eclipse.
Test Curator: Charisse T. Hebanada
School: Francisco. C. Jongko National High School
Email Address: charisse.hebanada@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Diagnostic Test