Republic of the Philippines
Department of Education
Region V- Bicol
Schools Division of Legazpi City
LEGAZPI CITY SCIENCE HIGH SCHOOL
Bitano, Legazpi City
Diagnostic Test in Earth and Life Science
Innovating…
Life-changing…
Name: ___________________________ Track/Strand: __________ Date: __________ Score:_________
A. Directions: Read each item carefully then encircle the letter of the correct answer.
1. Which of the following BEST describes planet Earth?
a. It is a “Blue Marble” planet as seen from the outer space.
b. It is the only known planet that can support life.
c. It is in the Goldilocks zone.
d. All of the above.
2. What can you infer from the illustration below about the four spheres of Earth?
a. The processes in the Earth’s sphere are unidirectional processes.
b. The atmosphere regulates all the processes on the other spheres.
c. The four spheres of Earth are interconnected and interrelated.
d. This cannot be answered since the information is incomplete.
3. In its powdered form, the mineral hematite is reddish. Which mineral property is best described?
a. Color
b. Luster
c. Streak
d. Hardness
4. What type of rock is formed by weathering and erosion?
a. Sedimentary
b. Foliated
c. Metamorphic
d. Igneous
5. Which diagram exhibits the most ideal arrangement for exogenic processes?
a. Erosion – sediments – weathering – transport – deposition
b. Sediments – erosion – weathering – transport
c. Sediments – transport – erosion – weathering
d. Weathering – erosion – transport – deposition
6. Why does radioactive decay play an important role in Earth’s internal heat?
a. Spontaneous nuclear disintegration of radioactive elements produced thermal energy.
b. Radioactive element can be found anywhere in the planet.
c. When radioactive element decays, it produces heat.
d. All of the above.
7. What term should be used to describe a semi-liquid hot molten rock located beneath the Earth?
a. Lava
b. Magma
c. Rocks
d. Sand
8. Which of the following led to the formation of deformed rocks with foliation?
a. volume of air entering the rocks
c. temperature and volume of minerals
b. temperature and rising of magma
d. pressure and recrystallization of minerals
9. What happens to the molten rocks when they reach the Earth’s surface?
a. They flow continuously.
c. Their temperature remains the same.
b. They cool down and solidify.
d. They remain semi-liquid molten rocks.
10. Which of the following is not associated with convergent plate movement/margin?
a. deep-focus earthquake
b. trench
c. valley
d. volcanic Arc
11. What can be concluded if a dike protrudes through several layers of rock?
a. A batholith resides nearby.
c. It is formed before the rock layer.
b. A volcano is within the area.
d. The rock layers are formed before the dike protrudes.
12. Which of these is the best indication of the relative age of a rock layer?
a. the thickness of the layer
c. the distance of the layer on the surface
b. the chemical make-up of the layer
d. the position of the layer compared to other layers
13. When naming the subdivisions of the Earth’s geology in a specific order, which method must be considered?
a. Absolute dating
b. Isotopic dating
c. Radiometric dating
d. Relative dating
14. How were the scientists able to arrange the fossils they gathered?
a. They were able to arrange the fossils according to age.
b. They were able to arrange the fossils according to structure.
c. They were able to arrange the fossils according to chemical content.
d. They were able to arrange the fossils according to place of discovery.
15. What is a potentially damaging physical event, phenomenon or human activity that may cause the loss of life
or injury, property damage, social and economic disruption or environmental degradation?
a. eutrophication
b. geologic hazard
c. landslide
d. poisonous gases
16. How do you classify climate- and weather-related hazards?
a. natural
b. chemical
c. biological
d. anthropogenic
17. Which among the following factors contributed MOST in a landslide during quarrying?
a. blasting of rocks
c. use of heavy equipment
b. polluting the rivers
d. use of a variety of manpower
18. If you would like to settle to a province that is least prone to typhoon and flood, which among the following
provinces will be a good option?
a. Albay
b. Tarlac
c. Maguindanao
d. Negros Oriental
19. All of following statements about coastal processes is true EXCEPT
a. Beach is prone to erosion.
c. Wind is a contributory factor to storm surge.
b. Erosion only occurs in the upland areas.
d. Ocean waves cause water to move in the seashore
20. What refers to the action taken to eliminate or reduce the long-term risks and hazards in the coastal area?
a. Alteration
b. Mitigation
c. Renovation
d. Restoration
21. Why did it take millions of years for life to appear on Earth after the planet had formed?
a. It took millions of years for RNA to replace DNA.
b. The planet had warmed up enough to sustain life.
c. The planet had cooled down enough to sustain life.
d. Life on Earth could begin only when seedlings arrived on our planet from other worlds.
22. Continuity of life is explained by ______.
a. Evolution
b. Regulation
c. Form and Function
d. Reproduction and Inheritance
23. A term used to describe morphologically and genetically similar individuals.
a. Clone
b. Identical
c. similar
d. vegetative
24. It is a process where genes are inserted into the genome of a different organism.
a. cloning
b. gel electrophoresis
c. gene splicing
d. selective breeding
25. What is the term used for the ethical implications and applications of genetic engineering?
a. Bioethics
b. Biogenetics
c. Biogenesis
d. Biosynthesis
26. Which of the following is in the correct order from smallest to largest?
a. cell- organ- tissue- system
c. system- tissue- cell- organ
b. cell- tissue-organ- system
d. tissue- organ- system- cell
27. Hormones increase the heart rate of an animal in danger. This is a function of what organ system?
a. Skeletal and circulatory
c. Circulatory and endocrine
b. Immune and endocrine
d. Endocrine and respiratory
28. Each living species has descended, with changes, from other species over time and as a result species today
look different from their ancestors. Which theory describes this phenomenon?
a. Theory of Descent with Modification
c. Theory of Natural Selection
b. Theory of Modification
d. Theory of Survival
29. What diagram traces evolutionary relationships and connections among organisms?
a. Evolution
b. family tree
c. lineages tree
d. phylogenetic tree
30. Which of the following refers to biotic and abiotic factors that prevent the persistent development of a
population like food, water, and space?
a. biotic potential
c. environmental resistance
b. carrying capacity
d. limiting factor