The distinctive features of the Echinoderms are
1. Spines on body
2. Radial symmetry
3. Water vascular System
4. Both 2 and 3
Water Vascular system helps in
1. Locomotion
2. Food capture and transport
3. Respiration
4. All of these
Which of the following is incorrect about Echinoderms?
1. Protostomous
2. Deuterostomous
3. Pentaradially symmetrical
4. Spiny skin
Which of the following is true about Digestive system of Echinoderms?
1. Mouth is Ventral
2. Anus is Dorsal
3. Digestive System is complete
4. All of the above
Which is not true for Echinoderms?
1. Mouth is Dorsal
2. Anus is Ventral
3. Calcerous exoskeleton
4. All of these
How many of the following is the member of Echinodermata?
Sea hare, Sea cucumber, Sea lily, Sea urchin, Sea-pen, Sea fan, Sea anemone
1. 7
2. 4
3. 3
4. 2
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