Pick the odd one out from each series given below and select the correct option. (i) Chain pump, Dhekli, Drip system, Pulley system (ii) Urea, Oxychloride, Potash, Ammonium sulphate (iii) Khurpi, Weedicides, Seed drill, Silos (iv) Sowing, Irrigation, Hybridisation, Harvesting (v) 2, 4-D, MCPA, Butachlor, BHC

• A. (i) (ii) (iii) (iv) (v) Dhekli Urea Khurpi Irrigation Butachlor                
• B. (i) (ii) (iii) (iv) (v) Drip system Oxychloride Silos Hybridisation BHC                
• C. (i) (ii) (iii) (iv) (v) Chain pump Potash Seed drill Sowing MCPA                
• D. (i) (ii) (iii) (iv) (v) Dhekli Urea Silos Harvesting Butachlor