SCIENCE (DECEMBER 28, 2024)

Question 1

Where can we find Ozone layer?

Answer 1

STRATOSPHERE

Question 2

Main human activity that emits carbon dioxide

Answer 2

COMBUSTION OF FOSSIL FUELS

Question 3

Thermodynamics
0th Law:
1st Law:
2nd Law:
3rd Law:

Answer 3

0th Law: Temperature
1st Law: Converted to different forms but cannot be destroyed (Conservation of Energy)
2nd Law: Heat Flow (from hot to cold)
3rd Law: Entropy

Question 4

Most reliable energy

Answer 4

NUCLEAR ENERGY

Question 5

DETRITIVORE eat the remains of dead plants and animals

Answer 5

DETRITIVORE

Question 6

breakdown organic matter

Answer 6

DECOMPOSERS

Question 7

carnivores that consume dead animals

Answer 7

SCAVENGERS

Question 8

First microsatellite of the Philippines

Answer 8

DIWATA I

Question 9

First nanosatellite of the Philippines

Answer 9

MAYA I

Question 10

First Philippine Satellite launched into space

Answer 10

AGILA 2

Question 11

Primates without tail

Answer 11

GREAT APES

Question 12

Primates with tail

Answer 12

MONKEYS

Question 13

1. Which of the following is primarily responsible for the water cycle on Earth?
   a. Photosynthesis
   b. The sun’s energy
   c. Earth’s tilt
   d. Wind patterns

Answer 13

b. The sun’s energy

Question 14

2. What is reported as the most important anthropogenic greenhouse gas?
   a. Carbon dioxide
   b. Methane (2nd)
   c. Nitrous oxide
   d. Ozone (3rd)

Answer 14

Carbon dioxide

Question 15

3. What is the most potent greenhouse gas evaluated?
   a. Sulfur Hexafluoride
   b. Carbon Dioxide
   c. Carbon Monoxide
   d. Methane

Answer 15

a. Sulfur Hexafluoride

Question 16

4. Which natural phenomenon is caused by the movement of tectonic plates?
   a. Tornadoes
   b. Earthquakes
   c. Hurricanes
   d. Tsunamis

Answer 16

b. Earthquakes

Question 17

6. Study of the origin, development, structure, history, and future of the entire universe.
   a. Anthropology
   b. Cosmology
   c. Philosophy
   d. Sociology

Answer 17

b. Cosmology

Question 17

5. Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or transformed?
   a. Zeroth Law
   b. First Law
   c. Second Law
   d. Third Law

Answer 17

b. First Law

Question 18

7. What energy is the most reliable in terms of sustainability and long-term availability?
   a. Renewable energy
   b. non- renewable energy
   c. nuclear energy
   d. Hydroelectric energy

Answer 18

a. Renewable energy

Question 19

8. Which process is used to repurpose waste materials into higher-quality items or products with a new purpose?
   a. Recycling
   b. Upcycling
   c. Reusing
   d. Reprocessing

Answer 19

b. Upcycling

Question 20

10. What role do decomposers play in an ecosystem?
    a. They produce food through photosynthesis
    b. They consume primary producers
    c. They break down dead organisms and recycle nutrients
    d. They compete with primary consumers for food

Answer 20

c. They break down dead organisms and recycle nutrients

Question 20

9. What nutrients are most commonly involved in eutrophication?
   a. Nitrogen and phosphorus
   b. Carbon and oxygen
   c. Potassium and magnesium
   d. Iron and manganese

Answer 20

a. Nitrogen and phosphorus

Question 21

11. Which of the following best describes that meets the needs of the present, without compromising the ability of future generations to meet their own needs?
    a. Sustainable development
    b. Economic growth
    c. Industrialization
    d. Urbanization

Answer 21

a. Sustainable development

Question 21

12. Which environmental issue involves the depletion of coral reefs due to increased water temperatures and other stressors?
    a. Coral bleaching
    b. Overfishing
    c. Eutrophication
    d. Coastal erosion

Answer 21

a. Coral bleaching

Question 22

13. How has the invention of GPS technology benefited navigation? a. By increasing reliance on maps b. By providing real-time location and directions c. By making compasses obsolete d. By reducing the need for travel

Answer 22

b. By providing real-time location and directions

Question 22

14. Which medical technology has greatly improved the survival rates of patients undergoing heart surgery because of damaged valves due to aging? a. Peacemakers b. Stethoscopes c. Artificial heart valves d. Blood pressure monitors

Answer 22

c. Artificial heart valves

Question 23

15. What advancement in technology has allowed for significant improvements in weather forecasting? a. Barometers b. Satellites c. Thermometers d. Wind vanes

Answer 23

b. Satellites

Question 23

16. Which scientific principle explains why oil and water do not mix? a. Capillary action b. Surface tension c. Density differences d. Polarization

Answer 23

c. Density differences

Question 24

17. The disappearance of animals like the dinosaur, saber-toothed tiger and white dolphins and the appearances of new ones like the red fox, rainbow fish and Thai tarantula exemplify ecological ____ a. Biodiversity b. Evolution c. Niche d. Creation

Answer 24

b. Evolution

Question 25

18. Horse: Equus as Bear: ______ a. Ursus b. Felis c. Canis d. Predators

Answer 25

a. Ursus

Question 26

19. For an ecosystem to survive, there must be a chain of production and transfer of energy the natural and most important source of which is the ___ a. Fossil b. Water c. Sun d. Plant

Answer 26

c. Sun

Question 27

20. As endangered animals are protected by regulation hunting, so are natural inorganic substances are protected by regulating. a. Poaching b. Excavation c. Mining d. Quarrying

Answer 27

c. Mining

Question 28

21. Which of the following heat transfer is observed when ventilating a room? a. Radiation b. Conduction c. Convection d. Absorption

Answer 28

c. Convection

Question 29

22. Which of the following forms of electromagnetic waves is used in cancer treatment? a. X-ray b. Ultraviolet c. Gamma ray d. Microwave

Answer 29

c. Gamma ray

Question 30

23. The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty focused on what? a. Conservation of wetlands globally b. Stabilizing atmospheric concentrations of GHGs c. Rescuing endangered species d. Marine pollution

Answer 30

b. Stabilizing atmospheric concentrations of GHGs

Question 31

24. The Kyoto Protocol is primarily concerned with reducing what? a. Air pollution b. Greenhouse gas emissions c. Deforestation d. Water pollution

Answer 31

b. Greenhouse gas emissions

Question 32

25. What is the main focus of the United Nations Environment Programme (UNEP)? a. Trade regulations b. Human rights advocacy c. Environmental protection and sustainability d. Health and nutrition

Answer 32

c. Environmental protection and sustainability

Question 33

26. It is a variety of life that make up our natural world. a. Vertebrates b. Pollution c. Biodiversity d. Abiotic Factor

Answer 33

c. Biodiversity

Question 34

27. It is the most abundant greenhouse gas. a. Carbon dioxide b. Nitrous oxide c. Oxygen d. Water vapor

Answer 34

d. Water vapor

Question 35

28. What is the most abundant renewable energy source? a. Biomass b. Solar energy c. Wind energy d. Hydro resources

Answer 35

b. Solar energy

Question 36

29. It is an experimental technique that involves altering the genes inside your body’s cells in an effort to treat pr stop the disease. a. Stem cell therapy b. Gene therapy c. Chemotherapy d. Radiotherapy

Answer 36

b. Gene therapy

Question 37

30. A Polish astronomer, who proposed that the sun, not the Earth, was at the center of the universe. a. Ptolemy b. Nicolaus Copernicus c. Edwin Hubble d. Galileo Galilee

Answer 37

b. Nicolaus Copernicus