- 1(current)
Q. No.The structure marked ‘X’ in the given diagram is:
| 1. | used in generating water current in sponges |
| 2. | a cell used for capturing prey in Cnidarians |
| 3. | a sticky cell used for anchorage in comb jellies |
| 4. | an excretory and osmoregulatory cell in flatworms |
| 1. | Radula – Molluscs | 2. | Malpighian tubules– Insects |
| 3. | Choanocytes– Sponges | 4. | Cnidocytes – Ctenophora |
| 1. | Obelia | Metagenesis |
| 2. | Planaria | Free living with high regeneration capacity |
| 3. | Ancylostoma | Acoelomate |
| 4. | Nereis | Parapodia |
Match the following organism with their respective characteristics:
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
| COLUMN I | COLUMN II | ||
| A | Comb plates | P | Cnidaria |
| B | Metagenesis | Q | Mollusca |
| C | Canal system | R | Sponges |
| D | Radula | S | Ctenophora |
| A | B | C | D | |
| 1. | S | P | R | Q |
| 2. | P | S | R | Q |
| 3. | P | S | Q | R |
| 4. | S | P | Q | R |
| Column I | Column II | ||
| A. | Porifera | P | Metagenesis |
| B. | Cnidaria | Q | Flame cells |
| C. | Ctenophora | R | Comb Plates |
| D. | Platyhelminthes | S | Choanocyte |
| A | B | C | D | |
| 1. | R | Q | S | P |
| 2. | S | P | R | Q |
| 3. | P | S | Q | R |
| 4. | Q | R | P | S |
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Gregarious, polyphagous pest | (i) | Asterias |
| (b) | Adult with radial symmetry and larva with bilateral symmetry | (ii) | Scorpion |
| (c) | Book lungs | (iii) | Ctenoplana |
| (d) | Bioluminescence | (iv) | Locusta |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (iii) | (ii) | (iv) |
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Match the following group of organisms with their respective distinctive characteristics and select the correct option :
| Organisms | Characteristics | ||
| (a) | Platyhelminthes | (i) | Cylindrical body with no segmentation |
| (b) | Echinoderms | (ii) | Warm blooded animals with direct development |
| (c) | Hemichordates | (iii) | Bilateral symmetry with incomplete digestive system |
| (d) | Aves | (iv) | Radial symmetry with indirect development |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Match the following list of animals with their level of organization.
| Division of Labour | Animal | ||
| A. | Organ level | i. | Pheritima |
| B. | Cellular aggregate level | ii. | Fasciola |
| C. | Tissue level | iii. | Spongilla |
| D. | Organ system level | iv. | Obelia |
Choose the correct match showing division of labour with animal example:
| i | ii | iii | iv | |
| 1. | B | C | D | A |
| 2. | B | D | C | A |
| 3. | D | A | B | C |
| 4. | A | D | C | B |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The animals belonging to all the following groups are exclusively marine except:
| 1. | Ctenophora | 2. | Porifera |
| 3. | Protochordata | 4. | Echinodermata |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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- 1(current)
Q. No.
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