Nematode Biology Quiz Form
Test your knowledge of nematode biology with this concise, focused quiz. All questions are based on key concepts and facts.
Which of the following is a distinguishing feature of nematodes?
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Cylindrical, unsegmented body
Segmented body with parapodia
Radial symmetry
Presence of a shell
Nematodes are most closely related to which of the following groups?
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Arthropods
Annelids
Mollusks
Cnidarians
What type of body cavity do nematodes possess?
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Acoelomate
Coelomate
Pseudocoelomate
No body cavity
Which of the following best describes the cuticle of nematodes?
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Flexible and periodically molted
Rigid and never replaced
Composed of chitin
Absent
Which of these is a common habitat for free-living nematodes?
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Soil
Open ocean surface
Tree bark only
Glacial ice
The model organism Caenorhabditis elegans is widely used in research because:
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It has a simple, well-mapped nervous system
It is the largest nematode
It causes major crop diseases
It is bioluminescent
Which of the following is NOT a typical feeding strategy of nematodes?
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Predation
Parasitism
Photosynthesis
Bacterivory
On a scale of 1 to 5, how confident are you in your nematode biology knowledge?
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Which of the following nematodes is a well-known plant parasite?
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Meloidogyne incognita
Ascaris lumbricoides
Caenorhabditis elegans
Drosophila melanogaster
Nematode movement is primarily powered by:
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Longitudinal muscles and a hydrostatic skeleton
Circular and longitudinal muscles
Flagella
Jointed appendages
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