Which of the following is true about Apple snail.

1. It belongs to class Gastropoda

2. Body is covered by Calcareous shell

3. Torsion present

4. All of these

Which is Correct for Devil fish?

1. Shell less animal

2. It belongs to class Cephalopoda

3. It has 8 arms

4. All of these

Which of the following is true about Mollusca?

1. Nephridia perform excretory functions

2. Gills perform respiratory functions

3. Most Mollusca have open circulatory system

4. All of these

Which of the following is true about Radula?

1. Rasping organ

2. Tongue like structure

3. Used in feeding

4. All of these

Which of the following represents Mollusca?

1. Cuttlefish

2. Devil Fish

3. Star fish

4. More than one is correct

How many of the following is not the member of Mollusca?

Devil fish, Cuttle fish, Dog fish, Saw fish, Angel fish, Fighting fish, Flying fish, Star fish, Jelly fish, Silver fish

1. 3

2. 8

3. 2

4. 4

How many of the following is not the member of Mollusca?

Sea hare, Sea cucumber, Sea lily, Sea urchin, Sea-pen, Sea fan, Sea anemone

1. 7

2. 6

3. 1

4. 4

Which of the following is Mollusk?

1. Cuttle fish

2. Chiton

3. Cucumaria

4. More than one option is correct

Which of the following is correct about given Diagram?

1. Closed Circulatory System

2. Foot has evolved into arms

3. Shells present

4. Both A and B

Which of the following is true for Echinodermata?

1. Bilateral Symmetry- Larvae

2. Radial symmetry- larvae

3. Bilateral Symmetry- Adult

4. Asymmetric