Home Science Class 8- Chapter 1- Crop Production And Management – Quiz 6 Science Class 8- Chapter 1- Crop Production And Management – Quiz 6 10 Questions, each question is of 1 mark. No negative marking. Full Marks=10. 1. What Do You Mean By “Nitrification”? Conversion of air nitrogen into nitrites and nitrates by nitrogen microbes, Conversion of dead decaying matter into ammonia and then into nitrites and nitrates by nitrifying microbes, Conversion of nitrites and nitrates from decaying organic matter into gaseous nitrogen by denitrifying microbes, All the above 2. Compost is a weedicide manure pesticide fertiliser 3. Before storing, the grains are properly dried in the: sun none of these fan air 4. A combined harvester and thresher is called: combine combo none of these harvester-thresher 5. ______ is used to bring a bucket of water where the power is needed. Rahat Moat Dhekli Chain pump 6. ________are like artificial rainmakers. Ice-nuclei seeding Sprinklers Drought-Ridden Cloud seeding 7. The soil fertility can be replenished By practicing crop rotation All the above By repeated growing of crops By using chemical fertilizers 8. In Which Of The Statement Is Or Are Incorrect? Non-living components support the living component. None of the above. Living components like microbes’ earthworms etc. helps in growth of crops. Seed drill saves time and labor. 9. Examples of kharif crops are Gram and maize Paddy and maize Wheat and maize All of the above 10. The Term Used For The Process Of Separation Of Grains From Chaff Is Sieving Threshing Winnowing Hand picking Download Best WordPress Themes Free DownloadDownload Premium WordPress Themes FreePremium WordPress Themes DownloadDownload WordPress Themes Freefree download udemy course download lava firmwareDownload WordPress Themes Freeudemy paid course free download
