Which of the following is not a member of Echinodermata?
1. Antedon
2. Asterias
3. Aplysia
4. Ophiura
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
Correct name of the given diagram is
1. Asterias
2. Ophiura
3. Antedon
4. Echinus
Incorrect about the given diagram is
1. External fertilisation
2. Anus is Ventral
3. Radial symmetry
4. Indirect development
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