What are the common Indian earthworms?

Which of the following is not a part of the excretory system of frogs?

Which of the following structures protect the eyes of frog in water?

Osteocytes are present in spaces called __

Cockroaches can transmit a variety of viral diseases.

Where is bile stored in the body of frog?

Cockroaches are _____

On which side of the body of cockroaches are the spiracles present?