NLN PAX ENTRANCE NGN EXAM SCIENCE SECTION QUESTIONS & ANSWERS 2024|

NLN PAX ENTRANCE NGN EXAM SCIENCE SECTION QUESTIONS & ANSWERS 2024| What is the function of the mitochondria in a cell? A: Produce ATP (energy) Q: Which organelle is responsible for protein synthesis? A: Ribosomes Q: What is the purpose of the circulatory system? A: Transport oxygen and nutrients to cells Q: What is the role of enzymes in biological reactions? A: Catalysts that speed up chemical reactions Q: What is the function of the respiratory system? A: Exchange of oxygen and carbon dioxide in the lungs Q: What is the purpose of mitosis in cell division? A: Produce identical daughter cells for growth and repair Q: What is the structure responsible for carrying genetic information in cells? A: DNA Q: Which type of cell division results in the formation of gametes (sperm and egg cells)? A: Meiosis Q: What is the primary function of white blood cells? A: Defense against infections Q: What is homeostasis? A: Maintenance of a stable internal environment in the body Chemistry: Q: What is the basic unit of an element? A: Atom Q: What is the pH of a neutral solution? A: 7 Q: What is the chemical symbol for gold? A: Au Q: What is the difference between an acid and a base? A: Acids increase H+ concentration; bases decrease H+ concentration Q: What is the Law of Conservation of Mass? A: Mass is neither created nor destroyed in a chemical reaction Q: What is the formula for water? A: H2O Q: What is an exothermic reaction? A: A reaction that releases heat Q: What is the periodic table? A: A table of elements arranged by atomic number Q: What is the role of enzymes in biological reactions? A: Catalysts that speed up chemical reactions Q: What is a covalent bond? A: Sharing of electrons between atoms Physics: