Water Vascular System

Q.

Water vascular system is the characteristic of which group of the following:

(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata

Q.

Differentiation in segmental fashion occurs in

1. Leech

2. Starfish

3. Snails

4. Ascaris

Q.

What worms have parapodia?

Q. Not found in Echinoderms like sea urchin

1. Tube feet
2. Radula
3. Pedicellarae
4. Aristotles lantern

Q. Collar cells occur in

1. Sponges
2. Hydra
3. Sandworm
4. Star fish

Q. Identify a deuterostome.

1. Dentalium
2. Leucosolenia
3. Dugesia
4. Ophiothrix

Q. Give the characteristics features of Echinodermata,

Q. Which of the following is absent in echinoderms?

1. Nervous system
2. Muscular system
3. All of the above
4. Cephalisation

Q.
Blood vascular system is a distinctive feature of echinoderms

1. True
2. False

Q. My body is radially symmetrical. The water vascular system is present in my body. I am referred to as fish through I am not. What is my name?

1. Star fish
2. Bony fish
3. All of the above
4. Jelly fish

Q. Echinoderms have ............ for locomotion.

1. Cilia
2. Flagella
3. Water driven tube system
4. All of the above

Q. Organs of locomotion in Echinodermata are

1. Pseudopodia
2. Tube feet
3. Parapodia
4. Feet

Q. Water vascular system is the unique character of _______

1. Echinodermata
2. Arthropoda
3. Protochordata
4. Mollusca

Q. The most distinctive feature of echinoderms is the presence of

1. canal system
2. water vascular system
3. gastrovascular cavity
4. radula

Q. One of the following water canal systems has been named on the basis of the structure of larval water vascular system of Spongilla. It is ___________

1. Asconoid
2. Leuconoid
3. Syconoid
4. Rhagonoid