General Knowledge quizScience quiz Science – Biology Quiz By isitok - September 7, 2024 0 97 FacebookTwitterPinterestWhatsApp Page 1 of 20 1. What is the basic unit of life in all living organisms? A) Atom B) Molecule C) Cell D) Tissue Page 2 of 20 2. What molecule carries genetic information in living organisms? A) RNA B) Protein C) DNA D) Carbohydrates Page 3 of 20 3. What is the name of the process by which cells divide to produce two identical daughter cells? A) Meiosis B) Mitosis C) Binary Fission D) Cytokinesis Page 4 of 20 4. In plants, what is the name of the process by which they convert sunlight into chemical energy? A) Respiration B) Photosynthesis C) Fermentation D) Transpiration Page 5 of 20 5. What is the primary function of mitochondria in eukaryotic cells? A) Protein Synthesis B) Energy Production C) Photosynthesis D) Cell Division Page 6 of 20 6. What is the term for a group of organisms of the same species living in the same area? A) Ecosystem B) Population C) Community D) Biome Page 7 of 20 7. Which organelle is responsible for protein synthesis in cells? A) Nucleus B) Ribosome C) Lysosome D) Endoplasmic Reticulum Page 8 of 20 8. What is the process by which organisms maintain a stable internal environment despite external changes? A) Homeostasis B) Metabolism C) Adaptation D) Evolution Page 9 of 20 9. In genetics, what term describes the physical expression of a gene? A) Genotype B) Allele C) Phenotype D) Chromosome Page 10 of 20 10. Who is known as the "father of modern genetics" for his work with pea plants? A) Charles Darwin B) Gregor Mendel C) James Watson D) Francis Crick Page 11 of 20 11. What is the role of enzymes in biological reactions? A) To increase the activation energy required B) To decrease the activation energy and speed up reactions C) To act as substrates for reactions D) To change the products of the reactions Page 12 of 20 12. What is the name of the structure in plant cells that contains chlorophyll and is involved in photosynthesis? A) Mitochondrion B) Chloroplast C) Golgi Apparatus D) Vacuole Page 13 of 20 13. What is the term for a symbiotic relationship where one organism benefits and the other is neither helped nor harmed? A) Mutualism B) Parasitism C) Commensalism D) Competition Page 14 of 20 14. Which process involves the conversion of glucose and oxygen into carbon dioxide, water, and ATP energy in cells? A) Photosynthesis B) Glycolysis C) Cellular Respiration D) Fermentation Page 15 of 20 15. What structure in the cell membrane regulates what enters and exits the cell? A) Nucleus B) Ribosome C) Cell Wall D) Phospholipid Bilayer Page 16 of 20 16. In which phase of the cell cycle does DNA replication occur? A) G1 Phase B) S Phase C) G2 Phase D) M Phase Page 17 of 20 17. What type of bond holds the two strands of a DNA molecule together? A) Ionic Bond B) Covalent Bond C) Hydrogen Bond D) Metallic Bond Page 18 of 20 18. What is the name of the process by which a cell undergoes programmed cell death? A) Apoptosis B) Necrosis C) Phagocytosis D) Endocytosis Page 19 of 20 19. What is the main difference between prokaryotic and eukaryotic cells? A) Eukaryotic cells have a nucleus, while prokaryotic cells do not B) Prokaryotic cells have mitochondria, while eukaryotic cells do not C) Eukaryotic cells have a cell wall, while prokaryotic cells do not D) Prokaryotic cells have a plasma membrane, while eukaryotic cells do not Page 20 of 20 20. What is the term for the gradual change in species over time due to environmental pressures and genetic variation? A) Natural Selection B) Genetic Drift C) Speciation D) Evolution Please provide your contact information to proceed.Email Address *First Name *Consent *Yes, I agree with the privacy policy and terms and conditions.Start QuizSkip and continue
