Q. Which of the following does not contain nitrogen element?
1) Superphosphate of lime
2) Urea
3) Indian saltpeter
4) Chilli saltpeter
Q. Which of the following statements is/are correct?
I. Crop diversification is the major principle of regenerative agriculture.
II. As part of crop diversification multi-cropping, trap, and border cropping are integrated to reduce pest infestation and to improve soil fertility.
1) Only I
2) Only II
3) Both I and II
4) Neither I nor II
Q. The main cause of 'leaf mottle' disease in citrus is due to the deficiency of -
1) Mica
2) Zinc
3) Iron
4) Copper
Q. National Research Centre for Grapes is located in -
1) Bangalore
2) Kangra
3) Pune
4) Mandiya
Q. Red rot of sugar cane is caused by -
1) Phylophthora
2) Alternaria alternata
3) Colletotrichum falcatum
4) Cercospora personata
Q. Which of the following is related to horticulture?
1) Operation flood
2) Golden revolution
3) White revolution
4) Green revolution
Q. Which of the following crops is described as: It is a crop which is used both as food and fodder. It is a Kharif crop that requires a temperature between 21°C to 27°C and grows well in old alluvial soil?
1) Sesamum
2) Maize
3) Bajra
4) Ragi
Q. Where is the Central Rice Research Institute located?
1) Bengaluru
2) Kanpur
3) Coimbatore
4) Cuttack
Q. Lime is sometimes applied to soil in order to -
1) increase the alkalinity of the soil
2) increase the acidity of the soil
3) restore nitrates to the soil
4) make the soil more porous
Q. Which one of the following elements is least likely to be found in commercial fertilizers?
1) Nitrogen
2) Phosphorus
3) Potassium
4) Silicon
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