1. Which of the following is the primary function of ribosomes in a cell?
a) Energy production
b) Protein synthesis
c) DNA replication
d) Waste disposal
2. What is the process by which plants convert light energy into chemical energy?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Digestion
3. Which of the following is NOT a characteristic of living organisms?
a) Reproduction
b) Growth
c) Adaptation
d) Inertness
4. Which of the following structures is responsible for transporting water and minerals in plants?
a) Phloem
b) Xylem
c) Cambium
d) Stomata
5. What is the term for the variety of life forms within a given ecosystem?
a) Population
b) Community
c) Biodiversity
d) Habitat
6. Which of the following is a characteristic of a prokaryotic cell?
a) Presence of a nucleus
b) Presence of membrane-bound organelles
c) Presence of ribosomes
d) Complex internal structure
7. What is the role of enzymes in biological reactions?
a) To provide energy
b) To speed up reactions
c) To be consumed in the reaction
d) To slow down reactions
8. Which of the following is the genetic material found in cells?
a) Protein
b) Lipid
c) RNA
d) DNA
9. What process results in the production of two genetically identical daughter cells from one parent cell?
a) Meiosis
b) Mitosis
c) Fertilization
d) Mutation
10. Which of the following is an example of a homozygous genotype?
a) Aa
b) aA
c) AA
d) Ao
11. Which gas is released during photosynthesis?
a) Carbon dioxide
b) Nitrogen
c) Oxygen
d) Hydrogen
12. Which of the following is the basic structural and functional unit of life?
a) Organ
b) Tissue
c) Cell
d) Organism
13. What is the primary role of decomposers in an ecosystem?
a) To produce food
b) To consume primary producers
c) To break down dead organic matter
d) To provide shelter for animals
14. Which of the following is the correct order of taxonomic classification (from broadest to most specific)?
a) Kingdom, Phylum, Class, Order, Family, Genus, Species
b) Species, Genus, Family, Order, Class, Phylum, Kingdom
c) Kingdom, Class, Phylum, Order, Family, Genus, Species
d) Species, Genus, Family, Order, Class, Kingdom, Phylum
Answer
1:b
2:c
3:d
4:b
5:c
6:c
7:b
8:d
9:b
10:c
11:c
12:c
13:c
14:a
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