CBSE ADDA

Ch01 Crop Production and management Incredible science A. Choose the correct option. 1.Which of the following machines is used for harvesting and threshing? a. Harvestor   b. Cultivator c. Sickle   d. Combine 2.Field fallow is done a. in the summer season only b. so that farmers can grow other crops in the same field c. to replenish the lost nutrients in the soil by natural means d. to kill weeds 3. Which of the following is a cash crop? a. Banana     b. Cereals    c. Pepper   d. Pulses 4. Apiculture is the rearing of a. honey bees   b. freshwater fish    c. marine fish    d. fowls 5, Which of the following is a modern method of irrigation? a. Moat   b. Rahat   e. Drip irrigation d. Dhekli Ans: A. 1. d     2. c       3. c        4. a           5. c B. Fill in the blanks usi...