8th Standard Science Chapter-1 November 30, 2020December 26, 2020wefru 8th Standard Science Chapter-1 quiz 1 Created on November 30, 2020 By wefru 8th Standard Science Chapter 1 CHECK YOUR SKILLS BROADLY 1 / 10 1. Organic wastes can be decomposed to form ________, which can sustainably enhance the nutrient content of the soil. compost cow dung fertiliser pesticide 2 / 10 2. Select the method(s) of irrigation which can be employed in an uneven land.(i) Moat(ii) Sprinkler(iii) Chain Pump(iv) Drip System (ii) and (iv) Only (iv) (i), (ii) and (iii) (i) and (ii) 3 / 10 3. Which of the following is a rabi crop? Rice Mustard Soyabean Maize 4 / 10 4. Which of the following should be used by a farmer with a large farm to harvest his crops quickly and efficiently? Winnowing machine Combine Sickle Seed drill 5 / 10 5. In today’s world, where water is a scarce resource, which among the following irrigation methods is most feasible and sustainable? Sprinkler system Drip system Tube well Chain pump 6 / 10 6. Consider the following statements about weeding and identify the incorrect one. Weeding is best done during tilling itself. Weeding is the process of growing weed. Weeding is the process of removal of weeds Weeding is usually done manually or by using weedicides. 7 / 10 7. What are the important steps in the preparation of soil? Loosening and sowing Loosening and weeding Turning and sowing Turning and loosening 8 / 10 8. Which of the following is not a traditional irrigation method? Moat Chain pump Lever system Drip system 9 / 10 9. If you were a farmer, which of the following methods will you use to separate good quality and viable grains from a heap of grains after harvest? Checking the weight of grains. Checking grains under sunlight for pores. Immersing the grains in water Sowing seeds and waiting for germination. 10 / 10 10. Which of the following is used to preserve food grains at home? Spinach leaves Curry leaves Neem leaves Tulsi leaves Your score isThe average score is 50% LinkedIn Facebook Twitter VKontakte 0% Restart quiz