Biological-Classification-And-System-Of-Classification Question 621

Question: When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will [CBSE PMT 2004]

Options:

A) Increase in size

B) Decrease in size

C) Increase in number

D) Disappear

Show Answer

Answer:

Correct Answer: D

Solution: