1. Which process is primarily responsible for the production of ATP in cells?
A) Glycolysis
- B) Photosynthesis
- C) Cellular respiration
- D) Fermentation
- Answer: C)
2. Which of the following structures is found in plant cells but not in animal cells?
- A) Mitochondria
- B) Ribosomes
- C) Cell wall
- D) Nucleus
- Answer: C) Cell wall
3. What is the primary function of the ribosome?
- A) DNA replication
- B) Protein synthesis
- C) Lipid synthesis
- D) Energy production
- Answer: B) Protein synthesis
4. Which molecule carries genetic information from the nucleus to the cytoplasm?
- A) DNA
- B) mRNA
- C) tRNA
- D) rRNA
- Answer: B) mRNA
5. Which phase of mitosis is characterized by the alignment of chromosomes in the center of the cell?
- A) Prophase
- B) Metaphase
- C) Anaphase
- D) Telophase
- Answer: B) Metaphase
6. Which of the following is an example of a homozygous genotype?
- A) Aa
- B) BB
- C) AB
- D) Bb
- Answer: B) BB
7. Which hormone regulates the levels of glucose in the blood?
- A) Insulin
- B) Thyroxine
- C) Adrenaline
- D) Estrogen
- Answer: A) Insulin
8. Which of the following is not a component of the central nervous system?
- A) Brain
- B) Spinal cord
- C) Peripheral nerves
- D) All of the above are part of the central nervous system
- Answer: C) Peripheral nerves
9. Which kingdom includes multicellular, photosynthetic organisms?
- A) Fungi
- B) Animalia
- C) Plantae
- D) Protista
- Answer: C) Plantae
10. What is the basic unit of structure and function in living organisms?
- A) Organ
- B) Cell
- C) Tissue
- D) Organ system
- Answer: B) Cell
11. What is the primary function of chlorophyll in photosynthesis?
- A) Absorbing water
- B) Absorbing sunlight
- C) Producing oxygen
- D) Producing glucose
- Answer: B)
12. Which of the following best describes an ecosystem?
- A) A group of the same species living in a specific area
- B) A community of organisms and their physical environment interacting together
- C) The variety of life within a specific habitat
- D) A single organism and its role in the environment
- Answer: B)
13. What is the primary role of mitochondria in cells?
- A) Protein synthesis
- B) Photosynthesis
- C) ATP production
- D) DNA replication
- Answer: C) ATP production
14. Which type of macromolecule are enzymes?
- A) Carbohydrates
- B) Lipids
- C) Proteins
- D) Nucleic acids
- Answer: C) Proteins