| A. | Cell structure |
| B. | Body organization |
| C. | Presence of flagellum |
| D. | Reproduction |
| E. | Phylogenetic relationships |
| 1. | Habitat loss and fragmentation; over-exploitation; Alien species invasions; Co-extinctions |
| 2. | Over-exploitation; Alien species invasions; Air pollution; Co-extinctions |
| 3. | Habitat loss and fragmentation; Air pollution; Water pollution; Co-extinctions |
| 4. | Over-exploitation; Alien species invasions; Soil pollution; Co-extinctions |
| 1. | Annealing → Denaturation → Extension |
| 2. | Extension → Annealing → Denaturation |
| 3. | Denaturation → Extension → Annealing |
| 4. | Denaturation → Annealing → Extension |
| List I | List II |
|---|---|
| A. Decomposition | I. Accumulation of dark coloured amorphous colloidal substance |
| B. Detritus | II. Release of inorganic nutrients by the activity of microbes in soil |
| C. Mineralisation | III. Breaking down of complex organic matter into inorganic substances |
| D. Humification | IV. Dead remains of plants and animals including fecal matter |
| A. | Lipids are generally water soluble |
| B. | Proteins are polypeptides |
| C. | Polysaccharides are long chains of sugars |
| D. | Adenine and guanine are substituted pyrimidines |
| E. | Almost all enzymes are proteins |
| 1. | The region of meristematic activity |
| 2. | The root cap zone |
| 3. | The region of maturation |
| 4. | The region of elongation |
| 1. | Large conspicuous nuclei |
| 2. | Increased vacuolation |
| 3. | Cell enlargement |
| 4. | New cell wall deposition |
| 1. | \(\oplus \enspace \text{⚥} \enspace K_{(5)} \enspace \overset{\Huge \frown}{C_{(5)} \enspace A_5} \enspace \underline{G}_{(2)}\) |
| 2. | \(\oplus \enspace \text{⚥} \enspace K_{5} \enspace \overset{\Huge \frown}{C_{(5)} \enspace A_5} \enspace \underline{G}_{(2)}\) |
| 3. | \(\oplus \enspace \text{⚥} \enspace K_5 \enspace C_5 \enspace A_5 \enspace \underline{G}_{(2)}\) |
| 4. | \(\oplus \enspace \text{⚥} \enspace K_{(5)} \enspace C_{(5)} \enspace A_5 \enspace \underline{G}_{(2 )}\) |