Summer 2024 IGCSE Biology Predicted EXAM QUESTION AND ANSWER.

Summer 2024 IGCSE Biology Predicted EXAM QUESTION AND ANSWER. What are the characteristics of living things? - CORRECT ANSWER - Move, respire, sensitivity, grow, respire, excrete, nutrition, control Describe eukaryotic cells Example - CORRECT ANSWER - Complex large cell Contain Nucleus Any mammal/insect cell Describe prokaryotic cells Example - CORRECT ANSWER - Small simple cell No nucleus Floating DNA Amoeba/Chlorella Animal cell: Structure Carbohydrate store Example - CORRECT ANSWER - Multicellular Contain: No cell wall Store carbs as Glycogen Any mammal/insect Plant cell: Structure Carbohydrate store Example - CORRECT ANSWER - Cell wall, vacuole, chloroplasts Store carbs as starch or sucrose Beans/maize Fungi: Structure Feeding method Store carbohydrates Example - CORRECT ANSWER - Body called mycelium made up of hyphae (thread like structures) Cell walls made of chitin Saprotrophic nutrition - release enzymes into surroundings to dissolve food Store carbs as glycogen Yeast Describe the levels of organization - CORRECT ANSWER - Organelle, cell, tissue, organ, organ system What is the function of the mitochondria? - CORRECT ANSWER - cellular respiration for energy