Flatworms & Roundworms
Quiz by Andrea Rigdon
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13 questions
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- Q1What are the primary body shapes of flatworms and roundworms?Flatworms are dorsoventrally flattened, while roundworms have a cylindrical shape.Flatworms have a flattened, ribbon-like body, while roundworms are segmented.Flatworms are cylindrical, while roundworms are flat.Both flatworms and roundworms are spherical.30s
- Q2What type of symmetry do flatworms exhibit?Spherical symmetryRadial symmetryAsymmetryBilateral symmetry30s
- Q3Which of the following is a common habit of roundworms?They are only found in desert habitats.They live exclusively in the human body.They are primarily found in marine environments only.They often live in soil or aquatic environments.30s
- Q4What is the main difference in the digestive system of flatworms compared to roundworms?Both have a complete digestive system.Roundworms only absorb nutrients through their skin.Flatworms have a gastrovascular cavity, while roundworms have a complete digestive system with a mouth and anus.Flatworms have no digestive system.30s
- Q5Which of the following is a characteristic feature of flatworms?They have a segmented body.They possess a complete nervous system.They have a hydrostatic skeleton.They lack a true coelom.30s
- Q6What reproductive strategy is most commonly found in flatworms?They have separate sexes with no hermaphrodites.They reproduce asexually by fragmentation only.They are typically hermaphroditic, possessing both male and female reproductive organs.They lay eggs but do not fertilize them.30s
- Q7Which of the following structures is absent in flatworms but present in roundworms?Muscular contractions for movement.Hollow body cavity.A nervous system with a brain.A complete digestive tract with separate mouth and anus.30s
- Q8What is a common habitat for flatworms?High-altitude regions.Freshwater environments, such as ponds and streams.Deep ocean trenches only.Deserts and arid regions.30s
- Q9What is the primary role of the cuticle in roundworms?To protect the worm from desiccation and assist in movement.To provide a rigid skeleton for support.To aid in digestion and nutrient absorption.To function as a respiratory organ.30s
- Q10What is a key difference between flatworms and roundworms?Flatworms live exclusively in water, while roundworms live only on land.Flatworms have segmented bodies, while roundworms do not.Flatworms are acoelomate, while roundworms are pseudocoelomate.Flatworms have a complex circulatory system, while roundworms have none.30s
- Q11Which of the following is a characteristic of roundworms?They have a flat body shape.They are all parasitic.They have a complete digestive system.They lack a nervous system.30s
- Q12Which of the following structures is commonly found in cestodes, a class within the phylum Platyhelminthes?Scolex.OperculumRadulaTentacle30s
- Q13Which of the following diseases is associated with parasitic flatworms from the phylum Platyhelminthes?MalariaSchistosomiasis.Dengue feverLyme disease30s