Biological Classification And System Of Classification Question 310
Question: Some protists possess structures for regulation of their water content. They are [Chd. CET 1991]
Options:
A) Nuclei
B) Contractile vacuoles
C) Chromatophores
D) Membranes
Show Answer
Answer:
Correct Answer: B
Solution:
Contractile vacuole for regulation of water content are found in Paramecium, Amoeba etc.