Q. Approximately how much HCN does is harmful for animal feeding?
1) 0.25 gm
2) 0.50 gm
3) 2.50 gm
4) 3.5 gm
Q. At which stage of crop, there is no competition for light, moisture and nutrients?
1) Node formation stage
2) Seedling stage
3) Grain formation stage
4) Before maturity stage
Q. At what stage are more nutrients essentially required in cereal crops?
1) Growth stage of plants
2) Formation of leaves
3) Panicle initiation
4) Maturity of crops
Q. What is the order of c4 plants?
1) Sugarcane - Maize - Sudan grass - Bajra
2) Sugarcane - Cotton - Paddy - Maize
3) Sudan grass - Sugarcane - Paddy - Bajra
4) Cotton - Maize - Bajra - Sugarcane
Q. A.D.P. to A.T.P. change is called
1) Photosynthesis
2) Phosphorylation
3) Transpiration
4) Oxidation
Q. The monsoon airs in the country reaches at which bank first of all?
1) Coastal region of Orissa
2) Bay of Bengal region
3) Coastal region of Kerala of South Indian region
4) Kachchh region of Gujarat
Q. How much percentage of soluble salts are present in Alkali soils?
1) 1% -2%
2) 0.1% - 0.2%
3) 1.5% - 2.5%
4) 2% - 3%
Q. Approximately how much area in lakh hectares of saline and alkali soils are there in Uttar Pradesh?
1) 15.00 lakh hectares
2) 12.4 lakh hectares
3) 10.4 lakh hectares
4) 14.4 lakh hectares
Q. Which is not natural factor affecting soil fertility?
1) Topography
2) Soil age
3) Air
4) Parent material
Q. The leaching loss of Nitrogen (N) is more in the form of-
1) Ammonia
2) Nitrate
3) Nitrogen
4) Water solution
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