Water Vascular System

Q. Water vascular system helps in

1. locomotion
2. capture of food
3. respiration
4. all of the these

Q.

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

(a) Porifera

(b) Ctenophora

(c) Echinodermata

(d) Chordata

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

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

Q.

What do you mean by the dorsoventrally flattened body?

Q. The correct pathway of water movement in sponges is

1. Osculum - - - - ostia - - - - spongocoel
2. Ostia - - - - spongocoel - - - - osculum
3. Osculum - - - - spongocoel - - - - ostia
4. Spongocoel - - - - ostia - - - - osculum

Q.

Tube feet are the locomotory organs in

1. Cuttle fish

2. Jelly fish

3. Star fish

4. Sliver fish

Q. Which of the following is not part of the echinoderm water vascular system?

1. Ring canal
2. Tube feet
3. Radial canal
4. Osculum

Q. Water vascular system helps in

1. locomotion
2. capture of food
3. respiration
4. all of the these

Q. Water vascular system is a characteristic feature of:

1. Gorgonia
2. Spongilla
3. Aplysia
4. Antedon

Q. Assertion (A): Ambulacral system plays an important role in the movement of echinoderms

Reason (R): Hydraulic pressure of fluid and contraction of the muscles in the tube feet result in the movement of echinoderms

1. Both A and R are true and R is the correct explanation of A
2. A is true but R is false
3. Both A and R are true but R is not the correct explanation of A
4. A and R are false

Q.

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

1. Porifera

2. Gtenophora

3. Echinodermata

4. Chordata

Q. Assertion :Water vascular system is the characteristic of echinoderms. Reason: Main function of water vascular system is locomotion.

1. Both assertion and reason are correct and the reason is the correct explanation for assertion.
2. Both assertion and reason are correct but the reason is not the correct explanation for assertion.
3. Assertion is correct but the reason is incorrect.
4. Both assertion and the reason are incorrect.

Q. Water vascular system is a characteristic feature of:

1. Spongilla
2. Gorgonia
3. Antedon
4. Aplysia

Q. Respected maam I have a doubt in chapter diversity in living organism that in ECHINODERMATA water vascular system is present , so what it is basically , like functioning I know but if we have to define it then how could we ? -

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

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

Q. Water vascular system is found in

1. Leech
2. Hydra
3. Fish
4. Starfish

Q. Starfish belongs to the class

1. Pisces
2. Cephalopoda
3. Asteroidea
4. Ophiuroidea

Q.

Give the zoological name of sting ray.

Q. Assertion (A): Ambulacral system plays an important role in the movement of echinoderms.

Reason (R): Hydraulic pressure of fluid and contraction of the muscles in the tube feet result in the movement of echinoderms.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. A and R are false

Q. Freshwater bony fishes maintain water balance by

1. Excreting hypotonic urine
2. Excreting salt across their gills
3. Drinking small amount of water
4. Excreting waste in the form of uric acid

Q. Tube feet is the locomotory organ of:

1. Starfish
2. Jellyfish
3. Silverfish
4. Crayfish
   

Q. Water vascular system of echinoderms is formed by

1. Coelom
2. Ectoderm
3. Endoderm
4. All of the above

Q. Which of the following organisms have tube feet as their locomotory organs?

1. Jelly fish
2. Cuttle fish
3. Star fish
4. Devil fish

Q. Which of the following is not part of the echinoderm water vascular system?

1. Ring canal
2. Tube feet
3. Radial canal
4. Osculum

Q. In Earthworm, gizzard occurs in segment

1. 5
2. 6
3. 8
4. 10

Q. Water vascular system, five arms spinous skin is found in

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

Q.

Define hermaphrodite.

Q.

Starfishes are:

1. Herbivorous

2. Carnivorous

3. Filter feeders

4. Omnivorous

Q.

Starfishes are:

1. Herbivorous

2. Carnivorous

3. Filter feeders

4. Omnivorous

Q. Which of the following echinoderm animal belongs to class Crinoidea?

1. Sea urchin
2. Sea cucumber
3. Sea star
4. Sea lily