| 1. | Equisetum | 2. | Selaginella |
| 3. | Pteris | 4. | Lycopodium |
| (a) | Presence of chlorophyll a and c, and fucoxanthin. |
| (b) | Storage of food in the form of starch. |
| (c) | Cell wall made of cellulose and algin. |
| List-I | List-II | ||
| A. | Ulothrix | I. | Anisogamy |
| B. | Spirogyra | II. | Oogamy |
| C. | Eudorina | III. | Isogamy, flagellated similar in size gametes |
| D. | Fucus | IV. | Isogamy, non-flagellated similar in size gametes |
| 1. | Presence of r-phycoerythrin |
| 2. | Found only near the surface of water bodies, never deep. |
| 3. | Absence of flagella |
| 4. | Floridean starch is the stored food. |
| 1. | Laminaria | 2. | Fucus |
| 3. | Polysiphonia | 4. | Volvox |
| Statement I: | In most members of Rhodophyceae, food is stored as floridean starch. |
| Statement II: | Floridean starch is structurally similar to amylopectin and glycogen. |
| 1. | Both I and II are correct |
| 2. | Both I and II are incorrect |
| 3. | I is correct; II is incorrect |
| 4. | I is incorrect; II is correct |
| 1. | Classification based only on similarities in external features |
| 2. | Classification based on evolutionary relationships among organisms |
| 3. | Classification based on habitat and mode of life |
| 4. | Classification based on utility to humans |
| 1. | Sphagnum has a high lignin content, making it resistant to decay and suitable for fuel. |
| 2. | Sphagnum can absorb and retain large amounts of water due to its unique cellular structure, making it ideal for packing living material. |
| 3. | Sphagnum contains silica deposits in its cell walls, which provide rigidity and durability. |
| 4. | Sphagnum releases antimicrobial compounds that prevent the growth of pathogens in packed materials. |
| 1. | All pteridophytes |
| 2. | Only angiosperms |
| 3. | Only gymnosperms |
| 4. | Some pteridophytes and all seed plants |