Column-I | Column-II | ||
a. | Annelids | (i) | Triploblastic acoelomate |
b. | Platyhelminths | (ii) | Ciliated comb plates |
c. | Aschelminths | (iii) | Metamerism |
d. | Ctenophores | (iv) | Pseudocoelomates |
Match the following
List-I | List-II | ||
(a) | Physalia | i. | Pearl oyster |
(b) | Limulus | ii. | Portuguese Man of War |
(c) | Ancylostoma | iii. | Living fossil |
(d) | Pinctada | iv. | Hookworm |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | ii | iii | iv | i |
2. | i | iv | iii | ii |
3. | ii | iii | i | iv |
4. | iv | i | iii | 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
Column-I | Column-II | ||
a. | Euspongia | (i) | Liver fluke |
b. | Fasciola | (ii) | Bath sponge |
c. | Ophiura | (iii) | Hagfish |
d. | Myxine | (iv) | Brittle star |
a | b | c | d | |
1. | (i) | (ii) | (iii) | (iv) |
2. | (ii) | (iv) | (iii) | (i) |
3. | (ii) | (i) | (iv) | (iii) |
4. | (iv) | (iii) | (ii) | (i) |
List I | List II | ||
(a) | Hydra | (i) | Cuttlefish |
(b) | Sepia | (ii) | Gregarious pest |
(c) | Wuchereria | (iii) | Freshwater polyp |
(d) | Locusta | (iv) | Filarial worm |
Assertion (A): | The phylum Aschelminthes represent pseudocoelomates |
Reason (R): | In Aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |