Which of the following is incorrect about Echinoderms?

1. Free swimming larva present

2. Indirect development

3. Excretory system is absent

4. Incomplete digestive system

Which of the following is true for Hemichordata?

1. Earlier placed under phylum of Chordata

2. Now placed under Non- Chordata

3. Notochord is absent

4. All of these

Which is incorrect for Hemichordata?

1. Cylindrical body

2. Proboscis, Collar and Trunk present

3. Bilaterally symmetrical

4. Head, Collar and Trunk present

Which of the following is the distinctive feature of Hemichordata?

1. Worm like animals

2. Body is composed of Proboscis, Collar and Trunk

3. Notochord present

4. Both A and B

Which of the following is not true for the given diagram?

1. Worm like animals

2. Closed circulatory system

3. Respiration through gills

4. Excretion through proboscis gland

Which of the following is incorrect for the given diagram?

1. Dioecious

2. External fertilisation

3. Indirect development

4. Saccoglossus

Incorrect about  the given diagram is

1. External fertilisation

2. Anus is Ventral

3. Radial symmetry

4. Indirect development

Correct name of the given diagram is

1. Asterias

2. Ophiura

3. Antedon

4. Echinus

Incorrect statement about the given diagram is

(1)Pentaradial symmetry

(2)Have power of regeneration

(3)Each arm contains  a pair of sex organs

(4)None  of these

Which of the following is not a member of Echinodermata?

1. Antedon

2. Asterias

3. Aplysia

4. Ophiura