Which of the following nematode is found in soil, organic matter and feces of man?

Which of the following parasite produces anticoagulant during feeding?

Coelom, bilateral symmetry and triploblastic organization are present in:

Vibrio cholera is transmitted through:

In tapeworm, there is:

Removal of parasite from the body of host is called:

Which one is not a parasite?

The animals in which centralized nervous system was developed for the first time in the form of neuron net and ganglia:

Animals that do not have anterior and posterior axis have symmetry.

Which of the followings coelomate have radial symmetry during life cycle?

Which of the following statements is true about grade radiata?

Jelly like, non-cellular mesoglea is present in animals that have:

Circulatory system can be found in:

According to mode of nutrition, most sponges are,

Coral formation is characteristic of:

The cells absent in sponges are:

Which is universal for sponges?

Epidermis is absent, adhesive organs such as hooks and suckers are present and formation of resistant cuticle is characteristics of:

A soft-bodied animal with stinging tentacles arranged around its mouth is a:

Endoparasites of Platyhelminthes have well developed and complicated:

Secondary host of liver fluke is:

Animals showing maximum complexity are:

In triploblastic animals, integumentary system develops from:

Largest solid gland is formed from:

Which of the following is schizocoels in category?

What is the origin of porifera?

Portuguese man of war is:

Flame cell system is also known as:

Neoblasts is found in:

Number of invertebrates phylum are _______:

Which of the following is the main opening of porifera?

Schistosoma is ____:

Sleeping sickness is transmitted by:

Sac like digestive system is terminated at the level of:

Centralized nervous system was first observed in ____:

Pointed ends are also known as:

Which of the following has indeterminate cells of cleavage?

Hook worms has ____ chitinous hooks:

Male organs developed first is related to: