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 |
(a) | Statocysts are balancing organs present in aquatic insects such as prawn |
(b) | Mollusca is the 2nd largest phylum of animal kingdom which includes Limulus |
(c) | Insects are bilaterally symmetrical, triploblastic, segmented and coelomate animals |
(d) | Molluscs have segmented body with a distinct head, muscular foot and visceral hump |
(e) | In all echinoderms, digestive system is complete with mouth on the dorsal side and anus on the ventral side |
Column I | Column II | ||
(a) | Ancylostoma | (i) | Monoecious |
(b) | Fasciola | (ii) | Sexual dimorphism |
(c) | Ctenoplana | (iii) | Brain coral |
(d) | Meandrine | (iv) | Only sexual reproduction is present |
Given below are four matchings of an animal and its kind of respiratory organ:
A. | Silverfish – trachea |
B. | Scorpion – book lung |
C. | Sea squirt – pharyngeal gills |
D. | Dolphin – skin |
The correct matchings are:
1. A and D
2. A, B, and C
3. B and D
4. C and D
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 |
List I | List II | ||
(a) | Hydra | (i) | Cuttlefish |
(b) | Sepia | (ii) | Gregarious pest |
(c) | Wuchereria | (iii) | Freshwater polyp |
(d) | Locusta | (iv) | Filarial worm |