Q. Which of the following is/are true for red worms?
  1. Preparing compost with the help of red worms is vermi composting.
  2. Red worms do not have teeth.
Select the correct answer from the codes given below:

Answer: Both 1 and 2
Notes: The method of preparing compost with the help of redworms is called vermi composting. Redworms do not have teeth. They have a structure called ‘gizzard’, which helps them in grinding their food. Redworms do not survive in very hot or very cold surroundings. They also need moisture around them.