Life science pre test 1

12 March 2024

1. What is the study of living organisms and their interactions with each other and their environment called?

a) Biology
b) Chemistry
c) Physics
d) Geology

2. Which of the following is not a characteristic of living organisms?
a) Growth and development
b) Ability to reproduce
c) Ability to move
d) Response to stimuli

3. What is the basic unit of life?
a) Cell
b) Atom
c) Molecule
d) Organ

4. Which of the following is a difference between prokaryotic and eukaryotic cells?
a) Prokaryotic cells have a nucleus, while eukaryotic cells do not
b) Eukaryotic cells have a cell wall, while prokaryotic cells do not
c) Prokaryotic cells are multicellular, while eukaryotic cells are unicellular
d) Eukaryotic cells have circular DNA, while prokaryotic cells have linear DNA

5. What is the process by which living organisms obtain and use energy called?
a) Photosynthesis
b) Respiration
c) Metabolism
d) Digestion

6. Which of the following is an example of an abiotic factor in an ecosystem?
a) Plants
b) Animals
c) Rocks
d) Bacteria

7. What is the scientific name for the process of one organism killing and consuming another organism for food?
a) Predation
b) Competition
c) Symbiosis
d) Parasitism

8. What is the term for the different populations of species living and interacting with each other in a specific area?
a) Community
b) Ecosystem
c) Habitat
d) Biosphere

9. Which of the following is a biotic factor in an ecosystem?
a) Sunlight
b) Water
c) Soil
d) Plants

10. What is the primary source of energy for most ecosystems on Earth?
a) Sunlight
b) Wind
c) Fossil fuels
d) Geothermal energy