Contractile vacuole is absent in marine and parasitic protozoa because

  • A
    Excretory products are not found
  • B
    Hypertonic condition of internal and external medium
  • C
    Isotonic condition of internal and external medium
  • D
    Excretion is absent

Explore More

Similar Questions

Which of the following is a ciliate?

Which life forms are observed in Protista?

Which of the following organisms is included in the kingdom $Protista$?

What type of movement do diatoms exhibit in water?

Difficult
View Solution

The cilia in $Paramecium$ are

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