Biology Quiz - Part 2

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Biology Quiz 
Part 2 

11. **Which structure in the cell is responsible for organizing the mitotic spindle?**
 - A) Nucleolus
 - B) Centrosome
 - C) Lysosome
 - D) Peroxisome
 - **Answer: B) Centrosome**

12. **What type of bond holds the two strands of DNA together?**
 - A) Ionic bond
 - B) Covalent bond
 - C) Hydrogen bond
 - D) Peptide bond
 - **Answer: C) Hydrogen bond**

13. **Which part of the plant is responsible for water absorption from the soil?**
 - A) Stem
 - B) Leaves
 - C) Roots
 - D) Flowers
 - **Answer: C) Roots**

14. **What is the name of the pigment that gives leaves their green color?**
 - A) Chlorophyll
 - B) Carotene
 - C) Anthocyanin
 - D) Xanthophyll
 - **Answer: A) Chlorophyll**

15. **In which cellular organelle does cellular respiration occur?**
 - A) Chloroplast
 - B) Nucleus
 - C) Mitochondria
 - D) Ribosome
 - **Answer: C) Mitochondria**

16. **What is the term for a group of similar cells that perform a specific function?**
 - A) Organ
 - B) Tissue
 - C) Organ system
 - D) Organism
 - **Answer: B) Tissue**

17. **Which enzyme is responsible for unzipping the DNA double helix?**
 - A) DNA polymerase
 - B) Helicase
 - C) Ligase
 - D) Primase
 - **Answer: B) Helicase**

18. **What is the study of fungi called?**
 - A) Entomology
 - B) Herpetology
 - C) Mycology
 - D) Ichthyology
 - **Answer: C) Mycology**

19. **Which kingdom includes multicellular, photosynthetic organisms?**
 - A) Animalia
 - B) Protista
 - C) Fungi
 - D) Plantae
 - **Answer: D) Plantae**

20. **What is the main function of white blood cells?**
 - A) Clotting blood
 - B) Carrying oxygen
 - C) Fighting infections
 - D) Removing waste
 - **Answer: C) Fighting infections**

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