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
Identify the correct statements regarding the members of Phylum Aschelminthes:
I. Their body is circular in cross-section
II. Alimentary canal is complete
III. Males, are often, longer than females
1. | Only II | 2. | Only I and II |
3. | Only II and III | 4. | Only III |
1. | Obelia | Metagenesis |
2. | Planaria | Free living with high regeneration capacity |
3. | Ancylostoma | Acoelomate |
4. | Nereis | Parapodia |
Column-I | Column-II | ||
a. | Annelids | (i) | Triploblastic acoelomate |
b. | Platyhelminths | (ii) | Ciliated comb plates |
c. | Aschelminths | (iii) | Metamerism |
d. | Ctenophores | (iv) | Pseudocoelomates |
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. |