| Statement l: | Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. |
| Statement II: | The Amazon rain forest has the greatest biodiversity on earth. |
| A. | In cymose inflorescence, the flowers are borne in an acropetalous succession. |
| B. | In gulmohar, the flowers are actinomorphic. |
| C. | In the flowers of cucumber, the margin of the thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flowers arise above the ovary. |
| D. | Bracts are reduced leaves found at the base of the pedicle. |
| E. | The flowers are hypogynous in mustard. |
| 1. | A, B, C only | 2. | B, D, E only |
| 3. | A, C, D only | 4. | C, D, E only |
| 1. | They are highly substrate specific |
| 2. | In thermophilic organisms, enzymes can catalyze reaction at high temperatures, i.e. 90°C |
| 3. | All enzymes are proteinaceous in nature |
| 4. | Some enzymes have metal ions |
| 1. | Glucose and glucose | 2. | Glucose and fructose |
| 3. | Glucose and galactose | 4. | Fructose and galactose |
| 1. | Nucellus | 2. | Integument |
| 3. | Chalaza | 4. | Hilum |
| 1. | Incomplete dominance | 2. | Multiple allele |
| 3. | Pleiotropy | 4. | Linkage |
| 1. | Pneumatophores | 2. | Prop roots |
| 3. | Stilt roots | 4. | Storage roots |
| List-I | List-II | ||
| A | C4 Pathway | I. | \(2\text{H}_2\text{O}\rightarrow4\text{H}^++\text{O}_2=4\text{e}^-\) |
| B. | Light reaction | II. | Ribulose 1,5-bisphosphate |
| C. | Photorespiration | III. | 3-carbon molecule, phosphoenol pyruvate |
| D. | Calvin cycle | IV. | Phosphoglycolate |
| 1. | A-II, B-I, C-IV, D-III |
| 2. | A-IV, B-II, C-I, D-III |
| 3. | A-III, B-I, C-IV, D-II |
| 4. | A-III, B-IV, C-II, D-I |
| 1. | Ribosomes | 2. | Mesosomes |
| 3. | Golgi Apparatus | 4. | Centrosomes |