A contractile vacuole is developed when

Options :
  1. freshwater Amoeba is placed in sea water
  2. fresh water Amoeba is placed in salt free water
  3. sea water enters in body of marine Amoeba
  4. all the above
Answer and Explanation :-

Answer: Option 2


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Sponges are

Next Question : The oral cone of Hydra is called

Click here for online test on Classification


 (Getemail alerts when others member replies)

She did not need to fold into herself and self-destruct. Those awful things are survivable, because we are as indestructible as we believe ourselves to be. When adults say, "Teenagers think the hate invincible," with that sly, stupid smile on their faces, they don't know how right they are. We need never be hopeless, because we can never be irreparably broken.
-John Green Looking for Alaska