Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about Phylum Ctenophora and Phylum Platyhelminthes are correct?
A
Ctenophores are exclusively marine and exhibit bioluminescence.
B
Platyhelminthes are characterized by a circular cross-section and a complete digestive system.
C
Ctenophores have a tissue level of organization and reproduce sexually.
D
Platyhelminthes are primarily free-living organisms found in various environments.
Correct Answer
Option A
Detailed Explanation
Ctenophores are indeed exclusively marine and display bioluminescence, as stated in the NCERT context. Platyhelminthes, however, are not circular in cross-section but are dorso-ventrally flattened, and they include many endoparasitic forms.
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