RE-NEET2026Zoology-Animal Kingdom
RE-NEET 2026 Zoology Porifera MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Sponges exchange O₂ with CO₂ by
A
moist cuticle
B
tracheal tubes
C
gills
D
simple diffusion over their entire body surfaces
Correct Answer
Option D
Detailed Explanation
Sponges lack specialized respiratory structures and rely on simple diffusion across their body surfaces for gas exchange.
Found an issue with this question?
Related Questions
More from 2026
Arrange the following in the correct developmental sequence related to microsporogenesis:
Reproduction in Flowering PlantsBotany
Match List I with List II:
Cell CycleBotany
Choose the correct statements regarding cell organelles and their inclusions. A. The endomembrane system includes Golgi complex, endoplasmic reticulu...
Cell BiologyBotany