PRELIMINARY EXAMINATION IN ECOLOGY
Directions: Read and analyze the questions carefully. Choose and shade the letter of the correct answer on the
provided answer sheet.
1. Which of the following is an ecosystem?
A. bacteria B. light C. moisture D. soil
2. Which group of organism return the nutrients to the soil?
A. consumer B. decomposer C. producer D. eater
3. Which shows the flow of energy in an ecosystem?
A. decomposition B. energy pyramid B. photosynthesis C. respiration
4. Which term refers to the interaction of organism to its environment?
A. Biology B. Chemistry C. Ecology D. Physics
5. How will you define niche?
A. It is an area where organisms live.
B. It is the role of an organism in its environment.
C. It is an area where living and non living aspect interact.
D. It is an organism that can manufacture their own food.
6. Which is true about a producer?
A. It is an area where organisms live.
B. It is the role of an organism in its environment.
C. It is an area where living and non living aspect interact.
D. It is an organism that can manufacture their own food.
7. Which among the following is a biotic factor?
A. lake B. air C. bacteria D. soil
8. Which abiotic factor of an ecosystem is essential to photosynthesis?
A. light B. pots C. bacteria D. soil
9. Which of the following represents an abiotic component of the environment?
A. Sprouting mongo seeds C. Grass on mountain slopes
B. Dugong nursing its young D. Flowing lava
10. While exploring a cave, a group of scientists encountered many abiotic and biotic factors.
Which of the factors is biotic?
A. Bacteria B. Limestone C. Minerals D. Waterfall
11. Which of the following best describes the biotic factor in an ecosystem?
A. It is the non-living aspect of an ecosystem. C. It the major aspect of an ecosystem.
B. It is the living aspect of an ecosystem. D. It is the minor aspect of an ecosystem.
12. Which of the following best describes the abiotic factor in an ecosystem?
A. It is the non-living aspect of an ecosystem. C. It the major aspect of an ecosystem.
B. It is the living aspect of an ecosystem. D. It is the minor aspect of an ecosystem.
13. What characteristic of living thing is exhibited by sharp claws and teeth of a lion for catching its prey?
A. Reproduction B. Metabolism C. Digestion D. Adaptation
14. Which best explains the picture?
A. Living things move.
B. Living things reproduce.
C. Living things obtain and use energy.
D. Living things respond to their environment.
, 15. Which situation shows that organisms grow and develop?
A. a grazing cow C. a mother who is giving birth
B. a running man D. a butterfly undergoing its life cycle
16. What characteristic of life is shown when a plant photosynthesizes?
A. Living things move.
B. Living things reproduce.
C. Living things obtain and use energy.
D. Living things respond to their environment.
17. What does the picture represent?
A. Adaptation
B. Growth
C. Development
D. Reproduction
18. How will you explain the picture?
A. Living things reproduce.
B. Living things obtain and use energy.
C. Living things respond to their environment.
D. Living things have level of organization in their bodies.
19. Which organism belongs to Kingdom Monera?
A. bacteria B. cactus C. yak D. yeast
20. Which kingdom includes amoeba?
A. Animalia B. Fungi C. Protista D. Plantae
21. Which set of organisms is protist?
A. bacteria, BGA C. yeast, breadmold
B. plasmodium, amoeba D. plants, animals
22. Which kingdom includes carnivores?
A. Animalia B. Fungi C. Protista D. Plantae
23. Which set of organisms are fungi?
A. bacteria, BGA C. yeast, breadmold
B. plasmodium, amoeba D. plants, animals
24. How will you describe plants?
A. They are prokaryotic. C. They have chloroplast and chlorophyll.
B. They are unicellular. D. They are multicellular and nonphotosynthetic.
25. What will happen to the insects if you will remove the plants in the garden?
A. The insects will not be affected.
B. The insects’ population will increase.
C. The insects will eat each other to survive.
D. The insects will eventually die because there will be no source of oxygen.
Directions: Read and analyze the questions carefully. Choose and shade the letter of the correct answer on the
provided answer sheet.
1. Which of the following is an ecosystem?
A. bacteria B. light C. moisture D. soil
2. Which group of organism return the nutrients to the soil?
A. consumer B. decomposer C. producer D. eater
3. Which shows the flow of energy in an ecosystem?
A. decomposition B. energy pyramid B. photosynthesis C. respiration
4. Which term refers to the interaction of organism to its environment?
A. Biology B. Chemistry C. Ecology D. Physics
5. How will you define niche?
A. It is an area where organisms live.
B. It is the role of an organism in its environment.
C. It is an area where living and non living aspect interact.
D. It is an organism that can manufacture their own food.
6. Which is true about a producer?
A. It is an area where organisms live.
B. It is the role of an organism in its environment.
C. It is an area where living and non living aspect interact.
D. It is an organism that can manufacture their own food.
7. Which among the following is a biotic factor?
A. lake B. air C. bacteria D. soil
8. Which abiotic factor of an ecosystem is essential to photosynthesis?
A. light B. pots C. bacteria D. soil
9. Which of the following represents an abiotic component of the environment?
A. Sprouting mongo seeds C. Grass on mountain slopes
B. Dugong nursing its young D. Flowing lava
10. While exploring a cave, a group of scientists encountered many abiotic and biotic factors.
Which of the factors is biotic?
A. Bacteria B. Limestone C. Minerals D. Waterfall
11. Which of the following best describes the biotic factor in an ecosystem?
A. It is the non-living aspect of an ecosystem. C. It the major aspect of an ecosystem.
B. It is the living aspect of an ecosystem. D. It is the minor aspect of an ecosystem.
12. Which of the following best describes the abiotic factor in an ecosystem?
A. It is the non-living aspect of an ecosystem. C. It the major aspect of an ecosystem.
B. It is the living aspect of an ecosystem. D. It is the minor aspect of an ecosystem.
13. What characteristic of living thing is exhibited by sharp claws and teeth of a lion for catching its prey?
A. Reproduction B. Metabolism C. Digestion D. Adaptation
14. Which best explains the picture?
A. Living things move.
B. Living things reproduce.
C. Living things obtain and use energy.
D. Living things respond to their environment.
, 15. Which situation shows that organisms grow and develop?
A. a grazing cow C. a mother who is giving birth
B. a running man D. a butterfly undergoing its life cycle
16. What characteristic of life is shown when a plant photosynthesizes?
A. Living things move.
B. Living things reproduce.
C. Living things obtain and use energy.
D. Living things respond to their environment.
17. What does the picture represent?
A. Adaptation
B. Growth
C. Development
D. Reproduction
18. How will you explain the picture?
A. Living things reproduce.
B. Living things obtain and use energy.
C. Living things respond to their environment.
D. Living things have level of organization in their bodies.
19. Which organism belongs to Kingdom Monera?
A. bacteria B. cactus C. yak D. yeast
20. Which kingdom includes amoeba?
A. Animalia B. Fungi C. Protista D. Plantae
21. Which set of organisms is protist?
A. bacteria, BGA C. yeast, breadmold
B. plasmodium, amoeba D. plants, animals
22. Which kingdom includes carnivores?
A. Animalia B. Fungi C. Protista D. Plantae
23. Which set of organisms are fungi?
A. bacteria, BGA C. yeast, breadmold
B. plasmodium, amoeba D. plants, animals
24. How will you describe plants?
A. They are prokaryotic. C. They have chloroplast and chlorophyll.
B. They are unicellular. D. They are multicellular and nonphotosynthetic.
25. What will happen to the insects if you will remove the plants in the garden?
A. The insects will not be affected.
B. The insects’ population will increase.
C. The insects will eat each other to survive.
D. The insects will eventually die because there will be no source of oxygen.
