| 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 |
| 161 |
Which nutrient forms the central atom of the chlorophyll molecule? |
Agriculture
Plant nutrients |
Easy |
| 162 |
Yellowing appears first on the older lower leaves of a maize crop while young leaves stay green. The most lik… |
Agriculture
Plant nutrients |
Medium |
| 163 |
Whiptail of cauliflower is linked to deficiency of: |
Agriculture
Plant nutrients |
Medium |
| 164 |
Why is a soil sample collected from many spots in a zig-zag pattern and then mixed? |
Agriculture
Plant nutrients |
Hard |
| 165 |
How many kilograms of urea supply 92 kg of nitrogen? |
Agriculture
Manures and fertilisers |
Easy |
| 166 |
Diammonium phosphate (DAP) is an example of a: |
Agriculture
Manures and fertilisers |
Easy |
| 167 |
How much muriate of potash is needed to supply 60 kg of K₂O to one hectare? |
Agriculture
Manures and fertilisers |
Medium |
| 168 |
A farmer applies 100 kg of DAP per hectare. How much nitrogen does this add? |
Agriculture
Manures and fertilisers |
Medium |
| 169 |
A rice farmer wants to cut urea use while keeping yields and soil health. Which plan follows integrated nutri… |
Agriculture
Manures and fertilisers |
Hard |
| 170 |
Which amendment is commonly used to reclaim alkali (sodic) soils? |
Agriculture
Problem soils and soil erosion |
Easy |
| 171 |
In water erosion, the stage in which a thin, uniform layer of soil is removed from the whole slope is called: |
Agriculture
Problem soils and soil erosion |
Easy |
| 172 |
A farm in western Rajasthan loses sandy topsoil every summer to strong winds. The most suitable long-term mea… |
Agriculture
Problem soils and soil erosion |
Medium |
| 173 |
A soil has a white crust, pH 8.0 and high electrical conductivity but low exchangeable sodium. It is best cla… |
Agriculture
Problem soils and soil erosion |
Medium |
| 174 |
Statement I: Bench terracing is suitable for steep hill slopes. Statement II: Acid soils are reclaimed by app… |
Agriculture
Problem soils and soil erosion |
Hard |
| 175 |
The most critical stage for irrigating wheat is: |
Agriculture
Irrigation |
Easy |
| 176 |
Which irrigation method usually gives the highest water application efficiency? |
Agriculture
Irrigation |
Easy |
| 177 |
A farmer applies a 5 cm deep irrigation to one hectare. What volume of water is used? |
Agriculture
Irrigation |
Medium |
| 178 |
Which measurement is used to judge the sodium hazard of irrigation water? |
Agriculture
Irrigation |
Medium |
| 179 |
In the IW/CPE approach, a ratio of 0.8 with an irrigation depth of 6 cm means irrigation is given when cumula… |
Agriculture
Irrigation |
Hard |
| 180 |
An area of land that drains all its runoff to a common outlet is called a: |
Agriculture
Drainage and watershed management |
Easy |
| 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 |