The relative percentage of N2 , P2O5 and K2O” in a fertilizer

The relative percentage of N2 , P2O5 and K2O” in a fertilizer
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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

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

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

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

Potassic fertilizer containing highest amount of K2O

Description : Potassic fertilizer containing highest amount of K2O

Last Answer : Ans. Muriate of potash/KCl (60%K2O)

Fertilizers contain more than 25% of primary nutrients, e.g. Urea (46%), DAP (18% N and 46% P2O5 ).

Description : Fertilizers contain more than 25% of primary nutrients, e.g. Urea (46%), DAP (18% N and 46% P2O5 ).

Last Answer : Ans. High analysis fertilizers

Which of the following is correct for calculating PHOSPHOROUS in P2O5 fertilizer? (a) P2O5 × 0.44 = P (b) P2O5 × 2.29 = P (c) P2O5 × 0.83 = P (d) P2O5 × 1.20 = P

Description : Which of the following is correct for calculating PHOSPHOROUS in P2O5 fertilizer? (a) P2O5 × 0.44 = P (b) P2O5 × 2.29 = P (c) P2O5 × 0.83 = P (d) P2O5 × 1.20 = P

Last Answer : (a) P2O5 × 0.44 = P

P2O5 percentage in the phosphoric acid produced by wet process is about (A) 10 (B) 30(C) 50 (D) 70

Description : P2O5 percentage in the phosphoric acid produced by wet process is about (A) 10 (B) 30 (C) 50 (D) 70

Last Answer : (B) 30

The percentage of P2O5 in diammonium hydrogen phosphate (NH4)2HPO4 is [CPMT 1992] (A) 23.48 (B) 46.96 (C) 53.78 (D) 71.00

Description : The percentage of P2O5 in diammonium hydrogen phosphate (NH4)2HPO4 is [CPMT 1992] (A) 23.48 (B) 46.96 (C) 53.78 (D) 71.00

Last Answer : (C) 53.78

Asymbiotic N2 fixing bacteria

Description : Asymbiotic N2 fixing bacteria

Last Answer : Ans. Azotobactor and Azospirillum

Symbiotic N2 fixing bacteria in leguminous crop.

Description : Symbiotic N2 fixing bacteria in leguminous crop.

Last Answer : Ans. Rhizobium

mmonium nitrate is (A) Having about 40% N2 (B) Not hygroscopic (C) Not prone to explosive thermal decomposition (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Description : mmonium nitrate is (A) Having about 40% N2 (B) Not hygroscopic (C) Not prone to explosive thermal decomposition (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Last Answer : (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Which fertilizer is most beneficial for alkali soils?

Description : Which fertilizer is most beneficial for alkali soils?

Last Answer : Ans. Ammonium sulphate

The application of fertilizer along with irrigation water

Description : The application of fertilizer along with irrigation water

Last Answer : Ans. Fertigation

Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops

Description : Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops

Last Answer : Ans. Starter solution

Fertilizer application in lowland paddy is done at

Description : Fertilizer application in lowland paddy is done at

Last Answer : Ans. Reduced zone

Maximum amount of fertilizer is applied in

Description : Maximum amount of fertilizer is applied in

Last Answer : Ans. Potato

Potassic fertilizer suitable for fertigation

Description : Potassic fertilizer suitable for fertigation

Last Answer : Ans. Potassium Nitrate (44%K2O)

The phosphatic fertilizer suitable for acid soil

Description : The phosphatic fertilizer suitable for acid soil

Last Answer : Ans. Bone meal (23-30%P2O5 )

Least hygroscopic fertilizer

Description : Least hygroscopic fertilizer

Last Answer : Ans. DAP (18%N and 46%P2O5 )

The fertilizer which supplies 3 essential plant nutrients

Description : The fertilizer which supplies 3 essential plant nutrients

Last Answer : Ans. SSP

Oldest commercially available fertilizer

Description : Oldest commercially available fertilizer

Last Answer : Ans. SSP (16-18%P2O5 )

Which one is considered as organic fertilizer?

Description : Which one is considered as organic fertilizer?

Last Answer : Ans. Urea

Amid form of N fertilizer

Description : Amid form of N fertilizer

Last Answer : Ans. Urea

Cheapest N fertilizer, suitable for foliar spray

Description : Cheapest N fertilizer, suitable for foliar spray

Last Answer : Ans. Urea (46%N)

Neutral fertilizer, also called Kishan khad

Description : Neutral fertilizer, also called Kishan khad

Last Answer : Ans. Calcium Ammonium Nitrate (26%N)

Explosive fertilizer is

Description : Explosive fertilizer is

Last Answer : Ans. Ammoniun nitrate (33%N)

Most concentrated nitrogenous fertilizer

Description : Most concentrated nitrogenous fertilizer

Last Answer : Ans. Anhydrous ammonia (81%N)

Oldest N fertilizer, best for top dressing in rice

Description : Oldest N fertilizer, best for top dressing in rice

Last Answer : Ans. Ammonium sulphate (20.6%N and 24%S)

The fertilizer which destroys soil aggregates

Description : The fertilizer which destroys soil aggregates

Last Answer : Ans. Sodium nitrate

Fertilizer which contains only one primary or major nutrient, e.g. Urea.

Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.

Last Answer : Ans. Straight fertilizers

Consider the formula in image processing RD = 1 - (1/CR) Where CR = n1/n2 CR is called as compression ratio n1 and n2 denotes the number of information carrying units in two datasets that represent the same information. In this situation RD is called as relative ................ of the first data set. (A) Data Compression (B) Data Redundancy (C) Data Relation (D) Data Representation

Description : Consider the formula in image processing RD = 1 - (1/CR) Where CR = n1/n2 CR is called as compression ratio n1 and n2 denotes the number of information carrying units in two datasets that represent ... . (A) Data Compression (B) Data Redundancy (C) Data Relation (D) Data Representation

Last Answer : (B) Data Redundancy

In Haber process of production of ammonia K2O is used as :

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

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

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)

Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O

Description : Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O

Last Answer : Ca

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

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

Which is a catalyst promoter used in catalytic ammonia synthesis reaction? (A) Al2O3 (B) Cr2O3 (C) K2O (D) MnO

Description : Which is a catalyst promoter used in catalytic ammonia synthesis reaction? (A) Al2O3 (B) Cr2O3 (C) K2O (D) MnO

Last Answer : (C) K2O

Potassic fertiliser is graded based on its __________ content. (A) KCl (B) K2O (C) KNO3 (D) K2SO4

Description : Potassic fertiliser is graded based on its __________ content. (A) KCl (B) K2O (C) KNO3 (D) K2SO4

Last Answer : (B) K2O

Promoter used in NH3 synthesis catalyst is (A) K2O (B) SiO3 (C) V2O5 (D) U2O3

Description : Promoter used in NH3 synthesis catalyst is (A) K2O (B) SiO3 (C) V2O5 (D) U2O3

Last Answer : (C) V2O5

Catalyst used in ammonia synthesis uses __________ as a promoter. (A) Pt (B) K2O (C) Al2O3 (D) Ni

Description : Catalyst used in ammonia synthesis uses __________ as a promoter. (A) Pt (B) K2O (C) Al2O3 (D) Ni

Last Answer : (B) K2O

Soils having 200 kg available K2O/ha will be — fertile soil for K a. High b. Low c. Medium d. None of these

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

Cement mainly contains (A) CaO, SiO2 , Al2O3 (B) MgO, SiO2 , K2O (C) Al2O3 , MgO, Fe2O3 (D) CaO, MgO, K2O

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

Argon is the third largest constituent of air (followed by N2 & O2 ). Its percentage by volume in air is (A) 0.14 (B) 0.34 (C) 0.94(D) 1.4

Description : Argon is the third largest constituent of air (followed by N2 & O2 ). Its percentage by volume in air is (A) 0.14 (B) 0.34 (C) 0.94 (D) 1.4

Last Answer : (C) 0.94

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion (B) Nitrogen percentage in the fuel is very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Description : Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion ... very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Last Answer : (C) Excess air has been used for combustion

Air contain 21% O2 and 79% N2 by volume. Calculate the composition in terms percentage by weight.

Description : Air contain 21% O2 and 79% N2 by volume. Calculate the composition in terms percentage by weight.

Last Answer : Basis: 100 kmole air Kmoles of O2 =21 Kmoles of N2 =79 Weight of O2 =21x32=672 kg Weight of N2 =79x28=2212 kg Total weight =2884 kg Weight% of O2 = (weight of O2/ total weight)x100  = (672/2884)x100  = 23.3% Weight% of N2 =(weight of N2/ total weight)x100  = (2212/2884)x100  = 76.7%

Mean applied when deals with relative changes eg. Bacterial growth, cell division, population

Description : Mean applied when deals with relative changes eg. Bacterial growth, cell division, population

Last Answer : Ans. GM

Map of genome showing relative positions of genes and or markers on chromosomes

Description : Map of genome showing relative positions of genes and or markers on chromosomes

Last Answer : Ans. Genetic map

It is the relative purity or strength of the spectral colour.

Description : It is the relative purity or strength of the spectral colour.

Last Answer : Ans. Chroma

The relative proportion of sand, silt and clay is termed as

Description : The relative proportion of sand, silt and clay is termed as

Last Answer : Ans. Soil texture

The formulae of Relative humidity is

Description : The formulae of Relative humidity is

Last Answer : Ans. RH (%) =

Relative humidity (RH) is measured by

Description : Relative humidity (RH) is measured by

Last Answer : Ans. Hygrometer/Psychrometer

A phosphatic fertiliser contains 16% P2O5 . It could be (A) Dicalcium phosphate (B) Superphosphate(C) Triple superphosphate(D) None of these

Description : A phosphatic fertiliser contains 16% P2O5 . It could be (A) Dicalcium phosphate (B) Superphosphate (C) Triple superphosphate (D) None of these

Last Answer : (B) Superphosphate