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...

KENDRIYA VIDYALAYA SANGATHAN, PATNA REGION MID TERM EXAMINATION, 2023-24 CLASS - VIII SCIENCE [MAX. MARKS - 60 General Instructions: (a) This question paper comprises of four sections-Section A, Section B, Section C and Section D. (b) All questions are compulsory. (c) Question numbers 1 to 12 in section A are MCQ carrying I mark each. (d) Question numbers 13 to 20 in section B are very short answer type carrying 2 marks each. (e) Question numbers 21 to 28 in section C are short answer type carrying 3 marks each. Question numbers 29 to 30 in Section D are case study based questions carrying 4 marks each. SECTION-A (1×12=12) 1. Which of the following crops would enrich the soil with nitrogen? (a) apple (b) pea (c) paddy (d) Potato 2.Which of the following are contact forces ? A. Friction B. Gravitational force C. Magnetic force D. Muscular force (a) A and B (b) B and C (c) A and D (d) B and D