Question

Chapter:-8 Human Food and production:- 1).Give Defenation of following:- 1). Agriculture 2). Horticulture 3). Crop 4). Kharif Crop 5). Rabi Crop 6). Name different types of crops and give examples 7). Classify the crops and give examples 8). What are the stages of agriculture? 9). What is humas? 10). Why earth worm is called farmer's friends? 11). Name some instruments which are used in cultivation of the soil? 12). How you can separate viable seed and bad seed? 13). Why the bad seeds float in the water? 14). Name some instruments used for sowing of seeds? 15). What will happen if the seeds are not properly sown under the soil? 16). What is fertilizer? What are its types? 17). What do you mean by macro and micro nutrients? Give examples of them? 18). How we can prepare organic macur? 19). What are the three elements which are mainly present in inorganic fertilizers?Give examples of inorganic fertilizers? 20). What do you mean by NPK? 21). What is the disadvantage of inorganic fertilizers? 22). Why organic fertilizers is better than inorganic fertilizers? 23). State differences between organic and inorganic fertilizers? 24). How the fertility of soil is restored without using artificial fertilizers or inorganic fertilizers? 25). What do you mean by crop rotation? 26). What is the advantage of cultivation of laguminus plants? 27). Which bacteria is present in the root nodules of pea plants?​

Answer 1

Answer:

which bacteria is present in the root noodles