Excretion in Other Animals · NCERT Biology

Contractile vacuoles in protozoans primarily help in:

  1. Intracellular digestion
  2. Aerobic respiration
  3. Osmoregulation
  4. Asexual reproduction
Show answer and explanation

Correct answer: Osmoregulation

Contractile vacuoles expel excess water from the cell, maintaining osmotic balance. This is especially important for freshwater protozoans, which constantly take in water by osmosis.

Difficulty: Medium Question 18 of 20

Practice all 20 Excretion in Other Animals questions

Keep practicing

More Excretion in Other Animals questions