IGCSE BIOLOGY CIE EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

IGCSE BIOLOGY CIE EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is the order of classification? Correct Answer: Kingdom Phylum Class Order Family Genus Species Name the types of vertebrates and how to identify them. Correct Answer: Fish - scales, fins and gills Amphibian - moist skin, no teeth Reptile - dry scales, leathery shells Bird - feathers, beak Mammal - fur, mammary glands Name the types of invertebrates and how to identify them. 2 Correct Answer: Mollusc - hard shell, no jointed limbs or segments Arthropod - segments, jointed limbs, exoskeleton Annelid - segments, exoskeleton, no jointed limbs Nematode - no segments, jointed limbs or exoskeleton Name the types of arthropods and how to identify them. Correct Answer: Insects - 3 body segments, wings usually on adults Crustaceans - 2 pairs of antennae, more than 5 pairs of legs Arachnids - 2 body segments, 4 pairs of legs Myriapods - many segments, 1-2 pairs of legs per segment Compare monocotyledons and dicotyledons. Correct Answer: Monocotyledons: Veins usually parallel, organised vascular bundles, floral parts usually in multiples of 3 Dicotyledons: Veins usually netlike, vascular bundles in a ring, floral parts usually in multiples of 4 or 5 List the characteristics of life. Correct Answer: Movement Respiration Sensitivity Growth Reproduction 3 Excretion Nutrition Name 2 features of cells that are found in all organisms. Correct Answer: Ribosomes - protein synthesis Enzymes - respiration Describe the structure of a eukaryotic cell. Correct Answer: Nucleus - contains DNA Cytoplasm - jelly-like fluid in the cell Cell Membrane - controls what goes through cell Mitochondria - produces energy Ribosomes - produces polypeptide proteins Endoplasmic Reticulum - carries ribosomes Golgi Apparatus - sorts macromolecules for delivery Lysosome - main sites of intracellular digestion Describe the structure of a plant cell. Correct Answer: Chloroplast - carries out photosynt