The correct valence configuration of element found in Period 5 and Group VIA of the Periodic Table is

Aluminum oxide is an ionic compound. Its chemical formula is Al2O3. What is the ionic charge of Al and O respectively?

A group of students was asked to investigate how fast sugar dissolves in cold and in hot water. If it is going to be a fair test, what should be their independent variable?

Which organelle is primarily responsible for ATP production?

During which phase of mitosis do chromosomes align at the equator?

Which blood type would not be possible for children of a type AB mother and a type A father?

Which term describes the role and position of a species in its environment?

In a food chain, which organism is a primary consumer?

The movement of organisms into a new area is called

What causes the seasons on Earth?

Which type of rock is formed from cooled magma or lava?

The boundary between the Earth’s crust and mantle is called the:

Which process is responsible for the movement of tectonic plates?

A light-year is a unit of:

Which layer of the Sun is visible from Earth?

Which type of magma is most viscous and associated with highly explosive eruptions?

Which international agreement aims to limit global warming to below 2°C above pre-industrial levels?

Newton’s second law of motion states that:

A sound wave is a:

The photoelectric effect supports the idea that light:

Which law governs the motion of planets around the Sun?

A car travels from City A to City B at 60 km/h and returns at 40 km/h. The total journey took 5 hours. What is the distance between the cities?

The net force on an object is zero. What can be said about its motion?

A recipe calls for 2 cups of sugar for every 5 cups of flour. If a baker uses 15 cups of flour, how much sugar should be used?

A taxi company charges a fixed fee of $$3 plus$$ 2 per kilometer traveled. If a passenger pays $17 for a ride, how many kilometers did they travel?

A water tank is 3/4 full. If it contains 450 liters, what is the full capacity of the tank?

A rectangular garden is 12 m long and 8 m wide. A path of uniform width is to be built around it. If the area of the path is 80 m², what is the width of the path?

A bag contains 5 red balls, 3 green balls, and 2 blue balls. A ball is drawn at random. What is the probability that it is not green?

A cellphone plan charges $$20 per month plus$$ 0.10 per text message sent. If a user is charged $35 in a month, how many text messages did they send?

A right triangle has legs of lengths 6 cm and 8 cm. What is the length of the hypotenuse?

A 200 ml solution is 40% acid. How much water should be added to reduce the concentration to 25%?

Two people, A and B, can complete a job in 12 days and 16 days, respectively. How long will it take if they work together?

Which sentence is in the passive voice?

Choose the correct pronoun: This book belongs to Anna and ___.

The word “obfuscate” most nearly means:

Choose the antonym of “lucid”:

The word “paradox” refers to a statement that is:

Which word best completes the sentence? The professor’s lecture was so ___ that many students struggled to stay awake.

Who wrote Les Misérables?

Which technology company recently announced a breakthrough in AI-powered energy solutions?

The recent Nobel Peace Prize in 2025 was awarded for contributions in:

A major landfill disaster in early January 2026 occurred in which Philippine city?

The Philippines announced a significant natural resource discovery in waters facing the South China Sea. What was it?

What major sports event took place in Manila from January 26–31, 2026?

Which Spanish missionary first brought Christianity to Bicol in the late 16th century?

During the American period, which system was introduced in Bicol for education?

What was the Bicolano uprising against Spanish friars in the 1800s called?

Which province in Bicol was created first during the Spanish colonial period?

What important Philippine Environmental Law is Republic Act 8749?

Ano ang tawag sa maikling tula na may pitong pantig sa bawat taludtod at may apat na taludtod lamang?

Ano ang tawag sa uri ng tula na walang sukat o tugma ngunit may malinaw na damdamin o imahen?

Piliin ang tamang salita upang makumpleto ang pangungusap:
“___ matalino si Liza, siya ay palaging tumutulong sa kaklase niya.”

Ano ang kasalungat ng salitang “palasak”?

Ano ang simbolismo ng bahay ni Kapitan Tiago sa nobelang Noli Me Tangere?

Ano ang pangunahing tema ng Mahabharata?