| LIST I Weed type | List II Meaning | ||
| A | Annual weed | I | They occur almost at any time of the year |
| B | Biennial weed | II | They require more than two years to complete |
| C | Perennial weed | III | They live for two seasons |
| D | Multi season weed | IV | They grow, mature within a season |
Mandarin orange-Fruit Crop
Mandarin oranges (Botanical name - Citrus reticulata, Family - Rutaceae), commonly known as Santra, are the most refreshing and health-promoting juicy fruits. Besides Vitamin C, it is an excellent source of pectin and certain essential oils. The juice is advised to patients. Subtropical and tropical climates are required for the growth of santra. The trees grow luxuriantly in 1.5 m deep well-drained soils free from excess salts and having adequate content of organic matter. The important varieties are Nagpur santra (Maharashtra), Khansi mandarin (Assam), Coorg mandarin (Karnataka), Kinnow (Punjab), Emperor, Hill orange, Mudkhed seedless, and Honey (for kitchen gardening). Santra are commercially propagated by shield or ‘T’ budding on rootstocks like jamberi or rangpur lime. Average yield is 80 to 160 fruits per tree.
| List-I (Vegetable) | List-II (Family) |
| (A) Onion | (I) Cruciferae |
| (B) Carrot | (II) Solanaceae |
| (C) Potato | (III) Umbelliferae |
| (D) Cauliflower | (IV) Liliaceae |
Select the statements that are CORRECT regarding patterns of biodiversity.
Which of the following hormone is not produced by placenta ?
List - I | List - II | ||
| A | Streptokinase | I | Blood-Cholestrol lowering agents |
| B | Cyclosporin | II | Clot Buster |
| C | Statins | III | Propionibacterium sharmanii |
| D | Swiss Cheese | IV | Immuno suppressive agent |
Which of the following option determines percolation and water holding capacity of soils ?