Find out the correct match from the following table:-
|
Column-I |
Column-II |
Column-III |
(i) |
Radula |
Rasping organ |
Pila |
(ii) |
Hooks and suckers |
Taenia |
Annelida |
(iii) |
Tube feet |
Asterias; Dentalium |
Echinodermata |
(iv) |
Comb plates |
Pleurobrachia; Aurelia |
Ctenophora |
1. (i) only
2. (i) and (ii)
3. (iii) only
4. (ii) and (iii)
How many of the characters given below are true for echinoderms?
I. | An endoskeleton of calcareous ossicles |
II. | The adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical. |
III. | They are triploblastic and coelomate animals. |
IV. | Digestive system is complete. |
V. | Water vascular system |
VI. | Sexual reproduction, internal fertilization, and direct development. |
1. 3
2. 4
3. 5
4. 6
Consider the following statements:
I. Platyhelminths are acoelomates and use protonephridia as excretory structures.
II. Aschelminthes are pseudocoelomates and have bilateral symmetry.
III. Adult echinoderms show radial symmetny and exhibit deuterostome type embryonic development.
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Match each item in Column I with one item in Column Il and chose your answer from the codes given below:
Column I Column II
(animal) (phylum)
I. Loligo 1. Mollusca
II. Ophiura 2. Echinodermata
III. Beroe 3. Cnidaria
IV. Adamsia 4. Ctenophora
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Which of these is not a coelenterate?
(1) Sea pen
(2) Sea fur
(3) Sea anemone
(4) Sea lily
Which of the following is not an annelid?
1. Leech
2. Earhtworm
3. Sea mouse
4. Sea cucumber
In which of the following animals the adults have pentamerous radial symmetry while their larvae are bilaterally symmetrical?
(1) Arthropods
(2) Molluscs
(3) Echinoderms
(4) Annelids
Select the group of animals belonging to different phyla?
1. Hirudinaria, Limulus, Laccifer.
2. Nereis, Dentalium, Aplysia.
3. Pheretima, Chaetopleura, Ophiura.
4. Cucumaria, Anteadon, Loligo.
Animals without excretory system, separate sexes,
and calcareous endoskeleton are applicable for
1. Chaetopeura
2. Ophiura
3. Limulus
4. Spongilla
Which of the following structure is associated with
locomotion ?
(i) Parapodia.
(ii) Water vascular system.
(iii) Radula.
(iv) Proboscis.
1. (i), (ii), (iii), (iv)
2. (i) only
3. (i), (ii) only
4. (i), (iii) only