Animals devoid of respiratory,excretory and circulatory organs are

  • A
    Tapeworms
  • B
    Sponges
  • C
    Thread worms
  • D
    Liver Fluke

Explore More

Similar Questions

Which of the following animals exhibits an asymmetrical body plan?

Animals of this phylum are multicellular but exhibit cellular level of organization.

Body having meshwork of cells,internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum

The simplest type of canal system in Porifera is:

The level of organization in sponges is:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo