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249 questions found · practise this subject as a set Show 20 · 50 per page

#	Question	Subject and topic	Difficulty
181	Perforated pipes laid underground to lower a high water table are an example of:	Agriculture Drainage and watershed management	Easy
182	Why is planting eucalyptus along canals sometimes recommended in waterlogged areas?	Agriculture Drainage and watershed management	Medium
183	In watershed development, treatment usually starts at the:	Agriculture Drainage and watershed management	Medium
184	A village builds check dams and percolation tanks, plants trees on upper slopes and forms a users' committee.…	Agriculture Drainage and watershed management	Hard
185	Which weed is a major problem in irrigated wheat fields of north-west India?	Agriculture Weed control	Easy
186	Glyphosate is described as a non-selective herbicide because it:	Agriculture Weed control	Easy
187	Release of the beetle Zygogramma bicolorata to suppress Parthenium is an example of:	Agriculture Weed control	Medium
188	A herbicide applied after sowing but before the weeds come out of the soil is called:	Agriculture Weed control	Medium
189	A mustard crop has a leafless, non-green plant attached to its roots that draws food from it. This parasitic …	Agriculture Weed control	Hard
190	Puddling of rice fields mainly helps to:	Agriculture Crop production practices	Easy
191	In integrated pest management, chemical pesticides are applied when the pest population:	Agriculture Crop production practices	Easy
192	The correct sequence for treating seed with all three agents is:	Agriculture Crop production practices	Medium
193	Growing a row of marigold around a tomato field to attract fruit borer moths is an example of:	Agriculture Crop production practices	Medium
194	Applying nitrogen in two or three split doses instead of all at sowing is preferred mainly because:	Agriculture Crop production practices	Hard
195	Sugarcane is commercially propagated by:	Agriculture Major field crops	Easy
196	The botanical name of chickpea (gram) is:	Agriculture Major field crops	Easy
197	In groundnut, the structure that carries the fertilised ovary into the soil is the:	Agriculture Major field crops	Medium
198	Which millet is especially valued as a rich source of calcium?	Agriculture Major field crops	Medium
199	A farmer harvests sugarcane and lets new shoots grow from the stubble left in the field for a second crop. Th…	Agriculture Major field crops	Hard
200	Which machine reaps, threshes and cleans grain in a single operation?	Agriculture Post-harvest management	Easy