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๐Ÿ›‘14 Biologyย  questions with Answer

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



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