List I | List II |
A. Bilaterally symmetrical, triploblastic acoelomate animal with flame cells | I. Limulus |
B. Bilaterally symmetrical animal with calcareous shell and mantle cavity | II. Pleurobrachia |
C. Radically symmetrical animal with ciliated comb plates and exclusively marine | III. Fasciola hepatica |
D. Bilaterally symmetrical, triploblastic, coelomate animals with a chitinous exoskeleton | IV. Dentalium |
Column-I | Column-II | ||
a. | Annelids | (i) | Triploblastic acoelomate |
b. | Platyhelminths | (ii) | Ciliated comb plates |
c. | Aschelminths | (iii) | Metamerism |
d. | Ctenophores | (iv) | Pseudocoelomates |
a. | Metagenesis is observed in all coelenterates. |
b. | Echinoderms are exclusively marine, triploblastic, and monoecious animals. |
c. | Roundworms are coelomates with complete digestive tract. |
d. | Comb plates present in ctenophores help in locomotion. |
e. | Water canal system is a characteristic of sponges. |
Assertion (A): | Platyhelminthes are commonly known as flatworms |
Reason (R): | They have a dorso-ventrally flattened body |
1. | Both (A) and (R) are true and (R) is the correct explanation for (A) |
2. | Both (A) and (R) are true but (R) is not the correct explanation for (A) |
3. | (A) is true, (R) is false |
4. | (R) is true (A)is false |
Column-I | Column-II | ||
a. | Planaria | (i) | Indirect development |
b. | Ctenoplana | (ii) | Gills are covered by an operculum on each side |
c. | Petromyzon | (iii) | Possess high regeneration capacity |
d. | Exocoetus | (iv) | Migrates for spawning to freshwater |
Match List - I with List - II
List-I | List-II |
(a) Metamerism | (i) Coelenterata |
(b) Canal system | (ii) Ctenophora |
(c) Comb Plates | (iii) Annelida |
(d) Cnidoblasts | (iv) Porifera |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | iii | iv | ii | i |
2. | iv | i | ii | iii |
3. | iv | iii | i | ii |
4. | iii | iv | i | ii |
Read the following statements.
(a) | Metagenesis is observed in Helminths. |
(b) | Echinoderms are triploblastic and coelomate animals. |
(c) | Round worms have organ-system level of body organization. |
(d) | Comb plates present in ctenophores help in digestion. |
(e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Feature |
Column II Phylum |
(a) Lateral line system (b) Water vascular system (c) Radula (d) Comb plates (e) Parapodia |
(i) Ctenophora (ii) Mollusca (iii) Echinodermata (iv) Osteichthyes (v) Annelida |
Codes
(a) (b) (c) (d) (e)
1. (i) (ii) (iii) (iv) (v)
2. (iv) (iii) (ii) (i) (v)
3. (iv) (iii) (i) (v) (ii)
4. (iii) (ii) (i) (v) (iv)