DOST Junior Level Science Scholarship (JLSS) Practice Exam

These questions are part of the practice quiz. Start practicing

• In genetics, what is the term for a pair of identical alleles?
• Energy within the oceans is distributed through which process?
• A catalyst increases the rate of a reaction by:
• Which sentence has a meaning different from the others?
• The pH scale ranges from how many to how many?
• Which precaution is NOT advisable during a typhoon?
• Which nuclide has equal numbers of protons, neutrons and electrons?
• What is the correct sequence of precautions to take before, during, and after a typhoon?
• An object with what looks like a tail is visible at the sky for days. What object is this?
• According to the poem, roaches circulate in cupboards of which social group?
• Which type of bond involves sharing of electron pairs between atoms?
• According to the passage, how many moons does Jupiter have?
• In a right triangle with legs 3 cm and 4 cm, what is the length of the hypotenuse?
• In chemistry, what is the molar mass of water (H2O)?
• Technology-mediated communication has changed how people build relationships. Which sentence best expresses this idea?
• Which scientist is commonly associated with electricity?
• What is the density of a substance with mass 200 g and volume 50 cm^3?
• Which energy transfer mode does not require a medium to transfer heat?
• Two bicycles have the same gear ratio and crank, but Bicycle X has larger wheels than Bicycle Y. Which bicycle travels farther per full pedal rotation?
• Which sentences support that telescopes led to important discoveries?
• Which statement about electric current is true?
• In the egg analogy, where can the Moho boundary be found?
• Mass wasting factors: which option lists the controlling factors?
• Under abundant light and constant temperature, photosynthesis rate is limited by the availability of which gas?
• The area of a circle with radius 7 cm is equal to which of the following?
• Which chemical formula is correctly matched with its name?
• Which energy form is associated with motion?
• Early telescopes supported which view about the Solar System?
• What is the electron configuration for a ground-state atom with Z = 16?
• Which condition makes a landslide least likely according to the material?
• Which quantity describes both speed and direction of motion?
• The process of changing a solid directly into a gas is called:
• In a family where an AB blood type parent and a B blood type partner have children with AB, B, A, and B, what is the genotype of the B parent?
• Which acid is produced when carbon dioxide dissolves in water?
• The relationship V = IR is known as which law?
• In a standard triangle, what is the sum of the interior angles?
• Who first used the telescope to observe the skies up close?
• In genetics, which term describes a pair of identical alleles?
• Which option correctly identifies the two main categories of energy sources mentioned?
• Which description best defines convection in fluids such as air or water?
• A mass of 2 kg experiences an acceleration of 3 m/s^2. What is the net force acting on the mass?
• Which sentence demonstrates correct use of the conjunction YET?
• A test has 25 questions with 4 choices each. If you guess all, the expected number of correct answers is which?
• Ceres is a 1000-km diameter rocky body that orbits the sun. What is its correct classification?
• In a velocity versus time graph, how can a horizontal graph be interpreted?
• A compound is solid at room temperature, dissolves in water, and conducts electricity when dissolved. Which statement best identifies this compound?
• The material mentions two categories of energy sources. Which option correctly identifies them?
• Which unit is commonly used to express energy consumption in household electrical devices?
• Which scenario is most likely to experience a landslide according to the factors listed?
• Which statement best describes spermatogenesis after puberty?
• Which of the following is NOT listed as a factor controlling mass wasting?
• Which scale is used to measure atmospheric temperature in meteorology?
• Which set of inputs is required for photosynthesis in plants?
• Which term describes the process of a solid turning directly into a gas?
• A mixture of sediment was placed on the closed-edge table. The faucet was turned on and allowed the sediment to flow downward. The sediment began forming at the lower end until a delta plane is formed. Using the illustration, how can a delta be formed without excessive mass movement?
• In photosynthesis, if light is abundant and temperature is constant, the rate is mainly limited by the availability of:
• The period of a wave is the time it takes to complete one cycle. If a wave has frequency 5 Hz, its period is:
• Which of the following is listed as a factor that controls the mass wasting process?
• Which statement correctly describes the direction of heat transfer between two objects at different temperatures?
• Which statement about energy conservation is correct?
• If a sequence goes 2, 4, 6, 8, what is the next term?
• The unit used to express electrical charge is:
• If gravity became stronger, would lifting the same box to the same height require more work?
• Which precaution SHOULD NOT be done while a typhoon is in your area?
• What did Galileo discover with the telescope?
• Which phase of mitosis is characterized by chromosomes aligning at the center of the cell?
• Flowering plants belong to which phylum?
• Which statement is supported by the text about telescopes and astronomy?
• BAT is to BALL as BOW is to which object?
• Using a compound microscope, you want to view a plant cell under a magnification of 100x. Given that your eyepiece has a magnification of 10x, which objective should you use to achieve your desired magnification?
• The unit symbol for electrical resistance is which symbol?
• Which term describes the response of a living organism to a stimulus?
• Which statement about smart mobs best describes their autonomy?
• At what angle from the ground should a projectile be launched to achieve maximum range?
• Which term best describes the ability of living organisms to respond to sensory input?
• If a cyclist travels 30 kilometers in 2 hours, what is the average speed?
• The type of energy stored due to motion is:
• Roman's Math scores improved over two quarters. Which sentence best describes this change?
• What is the SI unit for electric charge?
• Mara poured saltwater solution on a cup of sand which she got from a beach in one of their outings. After a week she found out that a residue was left on the cup. The residue cemented the sand grains together, forming a rock-like hardened material. The residue is most likely similar to___________.
• What does a horizontal line on a velocity–time graph indicate about the object's motion?
• Which planet has the most moons known as of recent data?
• Which of the following is an abiotic factor in an ecosystem?
• Which statement best describes the role of knowledge about energy sources?
• A current of 5 μA flows through a wire for 10 seconds. How many coulombs of charge pass through the wire?
• What did scientists learn about using telescopes?
• If a right triangle has legs a = 3 and b = 4, what is c^2?
• Which statement best reflects the material's view on how energy sources affect daily life?
• In data interpretation, the mean is defined as which of the following?
• In the sentence 'My baby sister always falls asleep whenever I sings to her favorite song,' which part shows an error?
• To separate sand, copper, and water, which experimental design will work best?
• Which compound is not ionic based on electronegativity?
• The orbit of planets around the Sun is best described by which shape?
• The unit of electric resistance is:
• A wave has frequency f and wavelength λ. The speed is v = fλ. If f doubles and λ halves, the speed becomes
• Which statement accurately describes the difference between spermatogenesis and oogenesis?
• For the data set 1, 2, 3, 4, 5, the mean is which of the following?
• Identify the grammatically incorrect portion of the sentence: 'I hope our varsity win the basketball championship because the players are working so hard'.
• I know I will pass the scholarship test because I've prepared well for it. Which option conveys the same idea?
• Which dating method is used to determine the age of very old rocks and minerals by isotopic decay, such as potassium-argon dating?
• What is the overall message about energy's role in human life from the material?
• In a compound microscope, which part do you adjust to sharpen focus if the image is out of focus?
• What is the chemical formula for ordinary table salt?
• Which branch of science deals with the study of the Earth's rocks and minerals?
• The Earth is heated by the Sun by which process?
• In the proportion a/b = c/d, which equation results from cross-multiplication?
• What is the main idea of the poem?
• A typhoon warning has been raised in your area. You are trying to determine when the typhoon will arrive at your area. Which of the following information will you need to look up?
• The law of thermodynamics that states energy cannot be created or destroyed is called which?
• Approximately what fraction of the atmosphere is oxygen?
• In the analogy DO is to DID as COST is to which word?
• Which quantity has the SI unit Newton?
• Which statement is NOT a postulate of the Kinetic Molecular Theory of gases?
• According to the poem, roaches tolerate their own kind's what, enabling peaceful coexistence?
• Which element has the atomic number 8?
• Which two-allele genotype combination corresponds to blood type AB?
• If you are Ben, which two activities do you think require a change of speed and are NOT reasonable in doing the activity?
• In the empirical formula derivation, which step comes immediately after identifying the mass of each element stated in the problem?
• In a heterozygous cross Aa x Aa, what percentage of offspring shows the dominant trait?
• Which statement is attributed to Galileo in the telescopes text?
• During photosynthesis, which energy form is stored in the resulting molecules?
• If two flowers share a flower-shaped character due to a common ancestor, what term describes that character?
• In an electric circuit with a resistor, Ohm's law is:
• Which dating technique would you use to determine the age of a fossil believed to be petrified wood?
• The speed of light in vacuum is approximately:
• Which statement best summarizes the relationship between energy sources and daily life according to the material?
• Which dating technique would be most appropriate to determine the age of petrified wood?
• Which adjustment should be used first when focusing a specimen under a compound microscope?
• Which branch of science studies the composition, properties, and structure of matter?
• Albert Einstein is to Law of Gravity as Alexander Fleming is to
• Which consumed the least amount of energy?
• The process by which plants convert light energy into chemical energy is called:
• Which captured the greatest amount of energy?
• The Pythagorean theorem for a right triangle with legs a and b states which equation?
• The speed-distance-time relationship is described by:
• In the reaction CaCl2 + Na3PO4 → Ca3(PO4)2 + NaCl, which product is sodium chloride?
• Which technique is most appropriate to separate a mixture of plant pigments based on differential migration in a solvent?
• The human body system responsible for transporting nutrients and waste is:
• A paragraph about spider silk mentions several claims. Which statement is true?
• The pH of a solution with [H+] = 1.0 x 10^-5 M is:
• Which of the following is not required for photosynthesis?
• Which gas makes up about 21% of Earth's atmosphere?
• Which sentence about Yumi's employment history is true?
• A firetruck is sounding its horn while it moves away from you. As you observe, the pitch of the horn relative to its normal pitch is ________.
• Which property affects the severity of the seasons all over the Earth?
• Which electron configuration represents the ground-state neutral sulfur atom?
• According to the article on texting, what harmful potential is highlighted?
• What is the term for the rate of change of velocity with respect to time?
• A current of 4 A flows for 30 seconds. How much charge passes through the circuit?
• Which sentence restates the main idea that leadership is influence and that anyone is capable of it?
• What energy is associated with motion?
• Which sentence best paraphrases 'Astronomy became modern because of telescopes'?
• A solution with pH 9 is considered:
• Which statement best describes the products of the reaction between calcium chloride and sodium phosphate?
• Which sentence correctly completes the conditional sentence: 'Had the truck driver been more careful, the accident ______'?
• A catalyst works by doing what in a chemical reaction?
• Which option will give a total magnification of 200x if the eyepiece is 20x and the objective magnification is to be chosen?
• Which acid is produced when carbon dioxide dissolves in water?
• You observe that when you are looking at the front of your house at 8:00 AM, the sun is to the right of you. Returning to the same exact spot at 4:00 pm, you notice that the sun is now to the left of you. At which direction were you facing at 8:00 AM and 4:00 pm?
• If a sound source moves toward an observer, the observed frequency is
• What is the chemical name for table salt?
• Which gas is produced when an acid reacts with a carbonate?
• To achieve 100x total magnification with a 20x eyepiece, which objective magnification should you use?
• In judging the article's main purpose, which order from most to least relevant is correct?
• The spines on cactus and euphorbs arose from a common evolutionary origin. What does this indicate about the character?
• The area of a circle with radius 7 cm is 49π cm^2. Which of the following is an exact expression for the area?
• Which combination describes a high risk condition for landslides?
• Which piece of information is most important when assessing potential damage from a typhoon?
• Which statement best describes an ionic compound?
• What is the SI unit of force?
• The material states energy comes from which sources?
• Which of the following statements best describes which factor does not affect the amount of mechanical work required to lift an object?
• What is the attitude of the speaker in the poem?
• Which gas is most abundant in Earth's atmosphere by volume?
• The law of conservation of mass applies most directly to which type of change?
• The energy stored due to an object's position is called
• The cancellation of the Taal field trip turned out to be a blessing in disguise because all who went to Tagaytay are still stuck in traffic jams until now. Which paraphrase best captures the idea?
• In ecology, the term for a non-living component of an environment is:
• Which option is the best paraphrase of the idea that girls and boys differ in childhood socialization, with girls sharing secrets and boys doing things together?
• If asked why study energy sources, which answer aligns with the material?
• Pag-asa is a desert-adapted plant with spines and very few leaves. Which biome is its natural habitat?
• Which of the following statements best paraphrases the need for stronger programs on sex education and responsible parenting?
• Which balanced chemical equation correctly represents the production of calcium phosphate from calcium chloride and sodium phosphate?
• In Aa x Aa cross, what fraction of offspring will be homozygous recessive?
• If a pet fish is released back into its natural habitat and is to reproduce, which aquatic biome best fits?
• An acidic solution turns blue litmus paper red. This indicates
• If you are Zeon, which two activities do you think are NOT reasonable and require a change of speed in doing the activity?
• Which statement correctly describes the launch angle that yields the maximum horizontal range for a projectile with a fixed initial speed?
• The DNA double helix is composed of how many strands?
• In the sentence 'Ham and cheese are my favorite sandwich, while water and pineapple juice are my favorite drinks,' which part shows an error?
• On a track with points A and B at different elevations, point A is higher than point B. Which statement about gravitational potential energy is true?
• Which statement describes the phenomena studied with telescopes according to the passage?
• Galileo Galilei is to Telescope as Benjamin Franklin is to
• Why is it essential to learn about renewable and non-renewable energy in school?
• Which nuclide has equal numbers of protons, neutrons and electrons among the following options?
• Which gas is produced when you mix vinegar and baking soda?
• Which of the following is not an SI base unit?
• What is the unit for pressure in the SI system?
• What replaces the central hierarchy in smart mobs, as described in the text?
• A crate rests on the bed of a flatbed truck. As the truck accelerates to the east, the crate moves with it without slipping. In what direction is the frictional force exerted by the bed on the crate?
• To determine the nearest evacuation destination during a typhoon, which information is most relevant to check?
• Arrange the following steps to determine the empirical formula of a compound. I. Determine the ratio by dividing the number of moles of each element by the lowest number II. Compute for the number of moles from the given mass of each element. III. Use the resulting ratio as the subscript in the formula. IV. Identify the mass of each element stated in the problem or from the percentage given.
• In data interpretation, the mean is defined as which of the following?
• Which molecule carries genetic information in most organisms?
• To study the pigments in Poinsettia leaves, which sequencing of steps would separate the pigments?
• Which biome would be most appropriate for Diwata?
• The word PERIPHERY is closest in meaning to which of the following?
• What did more advanced telescopes reveal about the planets?
• Which term describes traits that are similar due to convergent evolution?