During a Zoology practical, a tiny aquatic pseudocoelomate attaches temporarily to surfaces using posterior adhesive structures. Select the most accurate identification.
Correct Answer: C. adhesive tubes
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All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
A parasitic flatworm has an outer covering that protects it from host digestive enzymes. The best answer is:
Correct Answer: C. tegument
A learner makes a note: a flatworm relies largely on diffusion because its thin body brings cells close to the environment or gut. The missing scientific idea is:
Correct Answer: B. lack of circulatory system
In museum study, a planarian has a mouth and branched gut but no separate anus. The specimen or feature is best linked with:
Correct Answer: B. incomplete digestive tract
While comparing invertebrate groups, many adult tapeworm units contain both male and female reproductive organs. The feature being tested is:
Correct Answer: A. hermaphroditism
A diagram in the course handout shows that a tapeworm body is divided into many reproductive units behind the scolex. Identify the related structure or process.
Correct Answer: B. proglottids
For semester exam preparation, consider this situation: the anterior end of a tapeworm bears hooks or suckers that attach it to the host intestine. The correct conclusion is:
Correct Answer: B. scolex
A lab observation notes that a ribbon-like intestinal parasite has proglottids and lacks a digestive tract. The observation points to:
Correct Answer: D. Taenia
In a specimen-based viva, the examiner describes this case: a leaf-shaped parasite lives in the bile ducts of sheep and is commonly called liver fluke. Choose the concept that fits it best.
Correct Answer: B. Fasciola hepatica
A student is revising Animal Diversity-I: a free-living freshwater flatworm with eyespots and strong regeneration is used in the lab. What should the student write in the answer sheet?
Correct Answer: C. Planaria
During a Zoology practical, a planarian removes excess water through branching protonephridial tubules ending in flickering ciliated cells. Select the most accurate identification.
Correct Answer: B. flame cells
A preserved flatworm appears thin from top to bottom and lacks a body cavity. The best answer is:
Correct Answer: A. dorsoventrally flattened body