GCSE BIOLOGY EXAM

GCSE BIOLOGY EXAM What is movement in living organisms? A. The production of energy from food B. An action by an organism or part of an organism causing a change of position or place C. The ability to detect changes in the environment D. The removal of waste products ________________________________________ 2️⃣ What is respiration? A. The intake of oxygen into the lungs B. The chemical reaction that breaks down nutrient molecules in living cells to release energy C. The process of breathing D. The conversion of food into proteins ________________________________________ 3️⃣ What is the word equation for respiration? A. Glucose + oxygen → carbon dioxide + water B. Glucose + water → oxygen + carbon dioxide C. Carbon dioxide + water → glucose + oxygen D. Oxygen + starch → glucose + water ________________________________________ 4️⃣ What is sensitivity? A. The ability to detect or sense changes in the environment and make responses B. The ability to move from one place to another C. The process of excretion D. The growth of new cells ________________________________________ 5️⃣ What is growth? A. A permanent increase in size and mass by an increase in cell number or cell size B. Temporary increase in cell volume C. Expansion caused by water intake D. Movement of materials in cells ________________________________________ 6️⃣ What is reproduction? A. Processes that make more of the same kind of organisms B. Movement of gametes inside the organism C. Growth of new cells D. The breakdown of nutrients ________________________________________ 7️⃣ What is excretion? A. Removal from organisms of toxic materials, waste products of metabolism, and substances in excess B. Elimination of undigested food C. Absorption of nutrients D. Breathing out carbon dioxide only ________________________________________ 8️⃣ What is nutrition? A. Taking in of nutrients (organic substances and minerals) for growth and repair, absorbing and assimilating them B. The process of excretion C. The removal of waste materials D. Only eating plant matter ________________________________________ 9️⃣ What is a cell? A. The smallest structural and functional unit of an organism B. A tissue performing a specific function C. A group of similar organs D. The largest component of the body ________________________________________ Which statement correctly describes a difference between animal and plant cells? A. Only plant cells have chloroplasts and cell walls B. Only animal cells have chlorophyll C. Plant cells store carbohydrates as glycogen D. Animal cells are rectangular in shape ________________________________________ 1️⃣1️⃣ What is the function of the nucleus? A. Contains DNA which controls cell activity B. Stores water C. Produces proteins D. Protects the cell from viruses ________________________________________ 1️⃣2️⃣ What is the function of the cytoplasm? A. Site of chemical reactions in the cell B. Stores genetic material C. Controls movement of substances D. Provides structural support ________________________________________ 1️⃣3️⃣ What is the function of the cell membrane? A. Controls movement of substances in and out of the cell (partially permeable) B. Strengthens the cell C. Absorbs light energy D. Stores water ________________________________________ 1️⃣4️⃣ What is the function of the cell wall? A. Strengthens and protects the cell B. Controls gas exchange C. Produces chlorophyll D. Stores starch ________________________________________ 1️⃣5️⃣ What is the function of chloroplasts? A. Contains chlorophyll to absorb light energy for photosynthesis B. Stores oxygen C. Controls cell division D. Stores nutrients ________________________________________ 1️⃣6️⃣ Word equation for photosynthesis: A. Carbon dioxide + water → glucose + oxygen B. Oxygen + glucose → carbon dioxide + water C. Glucose + oxygen → carbon dioxide + energy D. Water + oxygen → carbon dioxide + glucose ________________________________________ 1️⃣7️⃣ What is the function of the vacuole? A. Filled with cell sap which helps keep the cell turgid B. Site of respiration C. Controls photosynthesis D. Stores genetic material ________________________________________ 1️⃣8️⃣ What is the function of red blood cells? A. Carry oxygen to all respiring tissues (contain haemoglobin) B. Produce enzymes C. Transport hormones D. Fight infections ________________________________________ 1️⃣9️⃣ How are red blood cells adapted for their function? A. Biconcave shape increases surface area and no nucleus allows more oxygen transport B. Thick walls prevent bursting C. Large nucleus for more DNA D. Presence of chlorophyll ________________________________________ 2️⃣0️⃣ What is the function of root hair cells? A. Absorb water and mineral ions for the plant B. Store food C. Transport sugars D. Support the stem ________________________________________ 2️⃣1️⃣ How are root hair cells adapted?