Description : Potassic fertilizer suitable for fertigation
Last Answer : Ans. Potassium Nitrate (44%K2O)
Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer
Last Answer : Ans. Fertilizer ratio
Description : A Potassic fertiliser contains 50% K2O. It could be (A) Potassium sulphate (B) Potassium chloride (C) A mixture of NaCl + KCl (D) None of these
Last Answer : (A) Potassium sulphate
Description : Potassic fertiliser is graded based on its __________ content. (A) KCl (B) K2O (C) KNO3 (D) K2SO4
Last Answer : (B) K2O
Description : Maximum amount of fertilizer is applied in
Last Answer : Ans. Potato
Description : Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large ... vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis
Last Answer : (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables
Description : Which fertilizer is most beneficial for alkali soils?
Last Answer : Ans. Ammonium sulphate
Description : The application of fertilizer along with irrigation water
Last Answer : Ans. Fertigation
Description : Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops
Last Answer : Ans. Starter solution
Description : Fertilizer application in lowland paddy is done at
Last Answer : Ans. Reduced zone
Description : The phosphatic fertilizer suitable for acid soil
Last Answer : Ans. Bone meal (23-30%P2O5 )
Description : Least hygroscopic fertilizer
Last Answer : Ans. DAP (18%N and 46%P2O5 )
Description : The fertilizer which supplies 3 essential plant nutrients
Last Answer : Ans. SSP
Description : Oldest commercially available fertilizer
Last Answer : Ans. SSP (16-18%P2O5 )
Description : Which one is considered as organic fertilizer?
Last Answer : Ans. Urea
Description : Amid form of N fertilizer
Description : Cheapest N fertilizer, suitable for foliar spray
Last Answer : Ans. Urea (46%N)
Description : Neutral fertilizer, also called Kishan khad
Last Answer : Ans. Calcium Ammonium Nitrate (26%N)
Description : Explosive fertilizer is
Last Answer : Ans. Ammoniun nitrate (33%N)
Description : Most concentrated nitrogenous fertilizer
Last Answer : Ans. Anhydrous ammonia (81%N)
Description : Oldest N fertilizer, best for top dressing in rice
Last Answer : Ans. Ammonium sulphate (20.6%N and 24%S)
Description : The fertilizer which destroys soil aggregates
Last Answer : Ans. Sodium nitrate
Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.
Last Answer : Ans. Straight fertilizers
Description : Which of the following helps in the 'greening process' of crops? (a) Sunshine (b) Phosphatic fertilizers (c) Nitrogenous fertilezers (d) Potassic fertilizers
Last Answer : Ans: (c)
Description : ch of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? (A) Nitrogenous fertiliser (B) Potassic fertiliser (C) Phosphatic fertiliser (D) None of these
Last Answer : (A) Nitrogenous fertilise
Description : Urea is a __________ fertiliser. (A) Nitrogenous (B) Potassic (C) Phosphatic (D) None of these
Last Answer : (A) Nitrogenous
Description : Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits? (A) Nitrogenous fertilisers (B) Phosphatic fertilisers (C) Potassic fertiliser (D) None of these
Last Answer : (C) Potassic fertiliser
Description : NPK means a __________ fertiliser. (A) Mixed (B) Potassic (C) Liquid (D) Solid
Last Answer : (A) Mixed
Description : Potassic fertilisers do not promote the development of (A) Stems & leaves during early stage of plant growth (B) Starches of potatoes & grains (C) Sugar of fruits & vegetables (D) Fibrous materials of plants
Last Answer : (A) Stems & leaves during early stage of plant growth
Description : Potassic fertilisers (A) Are useful during early stage of the plant growth (B) Stimulate early growth and accelerate seeding (C) Help in development of starches of potatoes and grain (D) None of these
Last Answer : (C) Help in development of starches of potatoes and grain
Description : The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. (A) Nitrogenous (B) Phosphatic (C) Potassic (D) None of these
Description : A semi-solid transparent product prepared from pectin containing fruit
Last Answer : Ans. Jelly
Description : Clipping off the top of rice seedlings containing immature stages of insects reduces the carry over of infestation of
Last Answer : Ans. Rice hispa (2) Wheat
Description : In Haber process of production of ammonia K2O is used as :
Last Answer : In Haber process of production of ammonia K2O is used as : a. catalyst b. inhibitor c. promotor d. adsorbate
Description : Which of the following oxide(s) is/are soluble in water to form alkalis? (i) Na2O (ii) SO2 (iii) K2O (iv) NO2 (a) (i) and (iii) (b) (i) only (c) (ii) and (iv) (d) (iii) only
Last Answer : Answer: (a)
Description : Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O
Last Answer : Ca
Description : Which is a catalyst promoter used in catalytic ammonia synthesis reaction? (A) Al2O3 (B) Cr2O3 (C) K2O (D) MnO
Last Answer : (C) K2O
Description : Base suspension fertiliser essentially contains (A) 13% N2 and 43% P2O5 (B) 43% N2 and 13% P2O5 (C) 43% N2 and 13% K2O (D) 43% K2O and 43% P2O5
Last Answer : (A) 13% N2 and 43% P2O5
Description : Promoter used in NH3 synthesis catalyst is (A) K2O (B) SiO3 (C) V2O5 (D) U2O3
Last Answer : (C) V2O5
Description : Catalyst used in ammonia synthesis uses __________ as a promoter. (A) Pt (B) K2O (C) Al2O3 (D) Ni
Description : 5-10-5 fertilisers mean that they contain (A) 5, 10, 5% respectively of N2 , P2O5 and K2O (B) Only 5 to 10% active fertiliser constituents (C) 5 to 10% filler & carrier of soil conditioners (D) None of these
Last Answer : (A) 5, 10, 5% respectively of N2 , P2O5 and K2O
Description : Soils having 200 kg available K2O/ha will be — fertile soil for K a. High b. Low c. Medium d. None of these
Last Answer : c. Medium
Description : Cement mainly contains (A) CaO, SiO2 , Al2O3 (B) MgO, SiO2 , K2O (C) Al2O3 , MgO, Fe2O3 (D) CaO, MgO, K2O
Last Answer : (A) CaO, SiO2 , Al2O3
Description : State having highest forest area in India
Last Answer : Ans. M.P.
Description : The difference between highest and lowest value of the series
Last Answer : Ans. Range
Description : Highest papain yielding variety
Last Answer : Ans. Pusa majesty
Description : Which fruit has the highest Vitamin A?
Last Answer : Ans. Mango
Description : Highest consumption of pesticides found in
Last Answer : Ans. Cotton (54%) (11) Sugarcane
Description : The temperature at which highest percentage of seed germination occurs in short period of time
Last Answer : Ans. Optimum temperature
Description : The crop oilcake, which has highest nitrification rate
Last Answer : Ans. Groundnut