XI - CH - 4 - PLATYHELMINTHES to ECHINODERMATES

The name ‘Annelida’ is given to animal phylum having

• A) parapodia

• B) metameric segments

• C) nephridia

• D) all of these

Balancing organ of aquatic arthropods is

• A) Cnidoblasts

• B) choanocytes

• C) scleroblasts

• D) statocysts

Which one of the following characteristics is mainly responsible for diversification of insects on land?

• A) Segmentation

• B) Bilateral symmetry

• C) Exoskeleton

• D) Eyes

Which of the following is the feature of water vascular system in Echinoderms?

• A) Locomotion

• B) Respiration

• C) Capture and transport of food

• D) All of these

Which one of the following features is not present in the phylum-Arthropods?

• A) Metameric segmentation

• B) Parapodia

• C) Jointed appendages

• D) Chitinous exoskeleton

Which of the following animals are true coelomates with bilateral symmetry?

• A) Adult echinoderms

• B) Aschelminthes

• C) Platyhelminthes

• D) Annelids

Blood sucking leech is

• A) Nereis

• B) Hirudinaria

• C) Pheretima

• D) All of these

Which of the following is not a Platyhelminthes

• A) Wuchereria bancrafti

• B) Taenia solium

• C) Fasciola hepatica

• D) Planaria

In tapeworms . . . . . .

• A) flame cells are absent

• B) both exoskeleton and endoskeleton

  present

• C) hooks and suckers present

• D) body is radially symmetrical

Choose the incorrect set with respect to arthropods.

• A) Limulus, locusta, culex

• B) Bombyx, Apis, lacifer

• C) Pinctada, Aplysia, Dentalium

• D) Aedes, Anopheles, Apis