| 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 |
| 1. | A -II, B- IV, C-III, D-II |
| 2. | A -IV, B- II, C-III, D-I |
| 3. | A -III, B- IV, C-II, D-I |
| 4. | A -III, B- IV, C-I, D-II |
| Column-I | Column-II | ||
| a. | Three-chambered heart with one incompletely divided ventricle | (i) | Myxine |
| b. | Jawless vertebrate with a cartilaginous vertebral column | (ii) | Chaetopleura |
| c. | Soft, unsegmented body and has a structure that helps in both respiration and excretion | (iii) | Calotes |
| d. | Ventral mouth, gills without operculum, and skin with placoid scales | (iv) | Scoliodon |
| 1. | a(i), b(ii), c(iii), d(iv) |
| 2. | a(iv), b(iii), c(ii), d(i) |
| 3. | a(ii), b(iv), c(i), d(iii) |
| 4. | a(iii), b(i), c(ii), d(iv) |
| (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 |
| 1. | Statements (a), (b), and (c) are correct |
| 2. | Statements (a) and (c) are correct |
| 3. | Statements (b), (c), and (d) are correct |
| 4. | Only Statements (c) is correct |
| 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 |
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 |
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)
| Assertion (A) : | In Mollusca, feathers like gills are present in the mantle cavity. |
| Reason (R) : | These gills have respiratory and excretory functions. |
| Animals | Morphological features | |
| (a) | Scorpion, spider, cockroach | Ventral solid nerve cord |
| (b) | Centipede, prawn, sea-urchin | Joined appendages |
| (c) | Cockroach, Locust, Taenia | Metameric segmentation |
| (d) | Liver fluke, sea-anemone, sea-cucmber | Bilateral symmetry |
| Column-I | Column-II | ||
| A. | Planula | i. | Annelida |
| B. | Tornaria | II. | Mollusca |
| C. | Trochophore | iii. | Arthropoda |
| D. | Bipinnaria | iv. | Hemichordata |
| E. | Glochidium | v. | Echinodermata |
| vi. | Coelenterata |