Select the Taxon mentioned that represents both marine and fresh water species :-

Which of the following is an egg-laying mammal?

House lizard belongs to which class?

Pearl is formed by the secretion of?

In a honey bee colony, worker bees are?

Flame cells are excretory in function in the animals of which phylum?

The zoological name of the common housefly is:

Which of the following options does correctly represent the characteristic features of phylum Annelida?

Match the following columns and select the correct option :

Match List I with List II :

Choose the correct answer from the options given below:

Consider the following statements :
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminthes are acoelomates
D. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below: