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Latest NFL JE Assistant Production Exam Question (Objective Questions), MCQ in English

Subjects : Production, General English, Quantitative Aptitude, Reasoning, General Knowledge

Question Bank NFL JE Assistant Production Exam - English
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Production

Question 1Single Answer
What is the primary purpose of fertilizers?
  1. A
    To improve soil structure
  2. B
    To supply nutrients to plants
  3. C
    To reduce soil erosion
  4. D
    To increase water retention
Question 2Single Answer
Which of the following is the main nutrient provided by nitrogen fertilizers?
  1. A
    Phosphorus
  2. B
    Potassium
  3. C
    Nitrogen
  4. D
    Calcium
Question 3Single Answer
Which gas is the primary source of nitrogen for fertilizer production?
  1. A
    Carbon dioxide
  2. B
    Methane
  3. C
    Oxygen
  4. D
    Nitrogen
Question 4Single Answer
Which process is used to synthesize ammonia in the fertilizer industry?
  1. A
    Haber-Bosch process
  2. B
    Ostwald process
  3. C
    Solvay process
  4. D
    Contact process
Question 5Single Answer
What are the three primary nutrients in most fertilizers?
  1. A
    Nitrogen, Calcium, Phosphorus
  2. B
    Nitrogen, Phosphorus, Potassium
  3. C
    Calcium, Potassium, Sulfur
  4. D
    Nitrogen, Potassium, Iron
Question 6Single Answer
Phosphorus is mainly supplied to plants in the form of which ion?
  1. A
    Sulfate
  2. B
    Phosphate
  3. C
    Nitrate
  4. D
    Chloride
Question 7Single Answer
What is the primary raw material used in the production of phosphorus fertilizers?
  1. A
    Limestone
  2. B
    Phosphate rock
  3. C
    Sulfur
  4. D
    Gypsum
Question 8Single Answer
Which fertilizer is commonly known as "superphosphate"?
  1. A
    Urea
  2. B
    Ammonium nitrate
  3. C
    Single superphosphate (SSP)
  4. D
    Potassium sulfate
Question 9Single Answer
Potassium in fertilizers is usually supplied in which form?
  1. A
    Potassium chloride (KCl)
  2. B
    Potassium sulfate (K2SO4)
  3. C
    Potassium nitrate (KNO3)
  4. D
    All of the above
Question 10Single Answer
Which of the following is a slow-release nitrogen fertilizer?
  1. A
    Urea
  2. B
    Ammonium sulfate
  3. C
    Calcium nitrate
  4. D
    Urea-formaldehyde
Question 11Single Answer
The formula of urea is:
  1. A
    NH4NO3
  2. B
    CO(NH2)2
  3. C
    CaCO3
  4. D
    KNO3
Question 12Single Answer
Which fertilizer has the highest nitrogen content by weight?
  1. A
    Urea
  2. B
    Ammonium nitrate
  3. C
    Calcium ammonium nitrate
  4. D
    Ammonium sulfate
Question 13Single Answer
Ammonium nitrate is classified as:
  1. A
    Explosive
  2. B
    Flammable
  3. C
    Inert
  4. D
    Non-reactive
Question 14Single Answer
Which process is used to produce nitric acid for ammonium nitrate fertilizer production?
  1. A
    Haber-Bosch process
  2. B
    Solvay process
  3. C
    Ostwald process
  4. D
    Contact process
Question 15Single Answer
Which of the following is NOT a function of fertilizers?
  1. A
    Enhancing soil fertility
  2. B
    Providing trace minerals
  3. C
    Supplying water to plants
  4. D
    Improving plant growth
Question 16Single Answer
What is the main purpose of adding sulfur to fertilizers?
  1. A
    To increase soil acidity
  2. B
    To provide essential micronutrients
  3. C
    To improve soil structure
  4. D
    To supply nitrogen
Question 17Single Answer
Which element is known as a secondary nutrient in fertilizers?
  1. A
    Nitrogen
  2. B
    Potassium
  3. C
    Sulfur
  4. D
    Phosphorus
Question 18Single Answer
Gypsum is used in the production of which fertilizer?
  1. A
    Superphosphate
  2. B
    Ammonium sulfate
  3. C
    Calcium nitrate
  4. D
    Potassium nitrate
Question 19Single Answer
Which country is the largest producer of nitrogen fertilizers?
  1. A
    China
  2. B
    India
  3. C
    Russia
  4. D
    USA
Question 20Single Answer
Fertilizer grade is usually expressed as N-P-K. What does 'P' stand for?
  1. A
    Phosphorus
  2. B
    Potassium
  3. C
    Nitrogen
  4. D
    Sulfur
Question 21Single Answer
Which of the following is a micronutrient for plant growth?
  1. A
    Zinc
  2. B
    Nitrogen
  3. C
    Phosphorus
  4. D
    Potassium
Question 22Single Answer
Which of the following fertilizers is most commonly used in acidic soils?
  1. A
    Urea
  2. B
    Lime
  3. C
    Gypsum
  4. D
    Potash
Question 23Single Answer
What is the main environmental concern associated with nitrogen fertilizers?
  1. A
    Soil erosion
  2. B
    Greenhouse gas emissions
  3. C
    Water contamination
  4. D
    Habitat destruction
Question 24Single Answer
The green revolution in India significantly increased the use of which type of fertilizer?
  1. A
    Organic
  2. B
    Nitrogenous
  3. C
    Potassic
  4. D
    Phosphatic
Question 25Single Answer
Which type of fertilizer is best suited for sandy soils?
  1. A
    Slow-release
  2. B
    Fast-release
  3. C
    Organic
  4. D
    Liquid
Question 26Single Answer
Which of the following fertilizers is also used as an explosive component?
  1. A
    Urea
  2. B
    Ammonium nitrate
  3. C
    Calcium nitrate
  4. D
    Potassium sulfate
Question 27Single Answer
What is the main advantage of liquid fertilizers over granular ones?
  1. A
    Easier storage
  2. B
    Lower cost
  3. C
    Faster absorption by plants
  4. D
    Higher nutrient content
Question 28Single Answer
Which of the following nutrients is immobile in plants?
  1. A
    Nitrogen
  2. B
    Phosphorus
  3. C
    Potassium
  4. D
    Calcium
Question 29Single Answer
The production of ammonia requires large amounts of which resource?
  1. A
    Water
  2. B
    Hydrogen
  3. C
    Oxygen
  4. D
    Sulfur
Question 30Single Answer
Which of the following is a potassium fertilizer?
  1. A
    Ammonium sulfate
  2. B
    Muriate of potash
  3. C
    Calcium phosphate
  4. D
    Magnesium sulfate
Question 31Single Answer
Which micronutrient is vital for chlorophyll formation in plants?
  1. A
    Magnesium
  2. B
    Sulfur
  3. C
    Calcium
  4. D
    Iron
Question 32Single Answer
Which process is responsible for converting nitrogen from the air into a form usable by plants?
  1. A
    Nitrogen fixation
  2. B
    Nitrification
  3. C
    Denitrification
  4. D
    Ammonification
Question 33Single Answer
What is the chemical formula of ammonium sulfate, a common nitrogen fertilizer?
  1. A
    NH4NO3
  2. B
    (NH4)2SO4
  3. C
    K2SO4
  4. D
    NaNO3
Question 34Single Answer
Which element in fertilizers helps plants resist diseases?
  1. A
    Nitrogen
  2. B
    Potassium
  3. C
    Phosphorus
  4. D
    Magnesium
Question 35Single Answer
Phosphatic fertilizers primarily promote which aspect of plant growth?
  1. A
    Root development
  2. B
    Leaf growth
  3. C
    Stem strength
  4. D
    Flowering
Question 36Single Answer
Which country is the largest exporter of phosphate fertilizers?
  1. A
    Morocco
  2. B
    China
  3. C
    USA
  4. D
    India
Question 37Single Answer
Which of the following fertilizers is known to increase soil salinity if over-applied?
  1. A
    Urea
  2. B
    Potassium chloride
  3. C
    Superphosphate
  4. D
    Ammonium sulfate
Question 38Single Answer
What is the term for the release of nitrogen from fertilizers into the atmosphere?
  1. A
    Denitrification
  2. B
    Volatilization
  3. C
    Nitrification
  4. D
    Ammonification
Question 39Single Answer
Excessive use of nitrogen fertilizers can lead to:
  1. A
    Enhanced crop growth
  2. B
    Eutrophication of water bodies
  3. C
    Improved soil fertility
  4. D
    Increased crop resistance to pests
Question 40Single Answer
What is the primary raw material used in the production of ammonia for nitrogen fertilizers?
  1. A
    Nitrogen gas
  2. B
    Phosphate rock
  3. C
    Potassium salts
  4. D
    Hydrogen gas
Question 41Single Answer
The Haber-Bosch process, used for ammonia production, requires which two main raw materials?
  1. A
    Nitrogen and Oxygen
  2. B
    Nitrogen and Hydrogen
  3. C
    Nitrogen and Methane
  4. D
    Nitrogen and Carbon
Question 42Single Answer
What is the most commonly used raw material for producing urea?
  1. A
    Ammonium nitrate
  2. B
    Ammonia
  3. C
    Calcium carbonate
  4. D
    Phosphoric acid
Question 43Single Answer
Phosphate fertilizers are primarily produced from which raw material?
  1. A
    Gypsum
  2. B
    Phosphate rock
  3. C
    Sulfur
  4. D
    Potassium chloride
Question 44Single Answer
Which gas is used as a hydrogen source in ammonia production?
  1. A
    Natural gas (methane)
  2. B
    Carbon dioxide
  3. C
    Oxygen
  4. D
    Nitrous oxide
Question 45Single Answer
What is the primary raw material used for the production of potash fertilizers?
  1. A
    Potassium carbonate
  2. B
    Potassium chloride
  3. C
    Potassium sulfate
  4. D
    Potassium nitrate
Question 46Single Answer
Which raw material is commonly used to produce sulfuric acid for fertilizer production?
  1. A
    Sulfur
  2. B
    Phosphate rock
  3. C
    Limestone
  4. D
    Ammonia
Question 47Single Answer
Nitrogen fertilizers are primarily derived from which raw material?
  1. A
    Natural gas
  2. B
    Phosphate rock
  3. C
    Potassium salts
  4. D
    Lime
Question 48Single Answer
Which of the following is a raw material for manufacturing ammonium sulfate?
  1. A
    Sulfuric acid and ammonia
  2. B
    Potassium chloride and sulfuric acid
  3. C
    Phosphoric acid and limestone
  4. D
    Ammonia and potassium
Question 49Single Answer
Which raw material is used to produce calcium ammonium nitrate (CAN)?
  1. A
    Ammonium nitrate and lime
  2. B
    Urea and gypsum
  3. C
    Potassium chloride and sulfur
  4. D
    Calcium phosphate and ammonia
Question 50Single Answer
What is the source of nitrogen in ammonium nitrate fertilizers?
  1. A
    Urea
  2. B
    Ammonia and nitric acid
  3. C
    Phosphate rock
  4. D
    Calcium carbonate
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