How many species of Pheretima are found all over the world?

Options :
  1. 200
  2. 300
  3. 500
  4. 400
Answer and Explanation :-

Answer: Option 3


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 : Which of the following activity is harmful for earthworm?

Next Question : Which among the following has triple helix structure?

Click here for online test on Morphology


 (Getemail alerts when others member replies)

The truth was, history repeated itself on a daily basis mistakes were made over and over. People were haunted by what they had done, and by what they hadn't had time to do.
-Jodi Picoult