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

#	Question	Subject and topic	Difficulty
141	The Blue Revolution refers to increased production of:	Agriculture Fisheries	Easy
142	Sharks differ from carps because sharks:	Agriculture Fisheries	Medium
143	Raising fish in ponds under controlled conditions is called:	Agriculture Fisheries	Easy
144	Inducing carps to spawn in captivity by injecting pituitary extract is called:	Agriculture Fisheries	Hard
145	The Green Revolution in India produced its most dramatic early gains in which crop?	Agriculture Food grain production in India	Easy
146	Which combination of inputs formed the core "package" of the Green Revolution?	Agriculture Food grain production in India	Medium
147	India's land under cultivation cannot be expanded much further. To meet future food demand, planners must mai…	Agriculture Food grain production in India	Medium
148	A farmer grows cotton on all his land, uses heavy inputs and sells the whole harvest in the market. This is b…	Agriculture Food grain production in India	Easy
149	Statement I: The Green Revolution contributed to falling groundwater tables in some states. Statement II: Sus…	Agriculture Food grain production in India	Hard
150	Which of these is a rabi crop?	Agriculture Classification of field crops	Easy
151	Jute is grown for fibre obtained from the:	Agriculture Classification of field crops	Easy
152	Soybean belongs to the legume family but is usually listed with oilseeds because:	Agriculture Classification of field crops	Medium
153	A farmer wants a crop that adds nitrogen to the soil before he sows a cereal. Which group should he choose?	Agriculture Classification of field crops	Medium
154	In which set do all three crops belong to the kharif season?	Agriculture Classification of field crops	Hard
155	Soil texture refers to:	Agriculture Soil and soil fertility	Easy
156	Which soil type of India is clayey, cracks when dry and is especially suited to cotton?	Agriculture Soil and soil fertility	Easy
157	A soil test shows pH 5.2. The usual amendment to bring it towards neutral is:	Agriculture Soil and soil fertility	Medium
158	A farmer's soil is rich in nutrients, but his yields stay low because of waterlogging. This shows that:	Agriculture Soil and soil fertility	Medium
159	By volume, which approximate composition describes an ideal agricultural soil?	Agriculture Soil and soil fertility	Hard
160	Khaira disease of rice is caused by deficiency of:	Agriculture Plant nutrients	Easy