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Latest UPSSSC Junior Analyst Food Exam Question (Objective Questions), MCQ in English

Subjects : Subject Releated Knowledge, Computer Science, General Knowledge

Question Bank UPSSSC Junior Analyst Food Exam - English
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Subject Releated Knowledge

Question 1Single Answer
Water as a nutrient plays a key role in:
  1. A
    Energy storage
  2. B
    Structural integrity of cells
  3. C
    Protein synthesis
  4. D
    Fat digestion
Question 2Single Answer
Which of the following is the primary function of water in the body?
  1. A
    Provides energy
  2. B
    Regulates temperature
  3. C
    Helps in digestion
  4. D
    Supports fat metabolism
Question 3Single Answer
The daily recommended water intake for an average adult is about:
  1. A
    1-2 liters
  2. B
    2-3 liters
  3. C
    3-4 liters
  4. D
    4-5 liters
Question 4Single Answer
Which of the following is a main source of water in food?
  1. A
    Fruits and vegetables
  2. B
    Grains
  3. C
    Dairy products
  4. D
    Processed foods
Question 5Single Answer
The molecular structure of water consists of:
  1. A
    One oxygen and two hydrogen atoms
  2. B
    Two oxygen and one hydrogen atom
  3. C
    Two hydrogen and one nitrogen atom
  4. D
    One oxygen and one nitrogen atom
Question 6Single Answer
What property of water allows it to dissolve many substances?
  1. A
    High specific heat
  2. B
    Polarity
  3. C
    Cohesion
  4. D
    Adhesion
Question 7Single Answer
Hydrogen bonds in water contribute to:
  1. A
    High boiling point
  2. B
    High freezing point
  3. C
    Low specific heat
  4. D
    Decreased viscosity
Question 8Single Answer
Cohesion in water refers to:
  1. A
    Water’s ability to stick to other substances
  2. B
    Water molecules sticking to each other
  3. C
    Water’s ability to absorb heat
  4. D
    Water’s ability to evaporate
Question 9Single Answer
Which of the following properties of water helps in cooling the body through sweating?
  1. A
    High specific heat
  2. B
    Cohesion
  3. C
    Solubility
  4. D
    Adhesion
Question 10Single Answer
Adhesion in water refers to:
  1. A
    Water molecules sticking to each other
  2. B
    Water molecules sticking to other substances
  3. C
    Water’s ability to freeze
  4. D
    Water’s ability to dissolve substances
Question 11Single Answer
Osmosis in food refers to:
  1. A
    The movement of water across a membrane from lower to higher solute concentration
  2. B
    The movement of nutrients across membranes
  3. C
    The movement of salts in and out of the food
  4. D
    The movement of gases in and out of food
Question 12Single Answer
Moisture content in food is often determined using:
  1. A
    Acid-base titration
  2. B
    Water activity testing
  3. C
    Solvent extraction
  4. D
    Drying method
Question 13Single Answer
Buffer solutions in food chemistry are important because they:
  1. A
    Help maintain the pH stability of food
  2. B
    Improve the taste of food
  3. C
    Aid in nutrient absorption
  4. D
    Decrease moisture content
Question 14Single Answer
Which of the following is an example of a colloidal property in food?
  1. A
    Salt in water
  2. B
    Butter in milk
  3. C
    Sugar in tea
  4. D
    Flour in water
Question 15Single Answer
The Henderson-Hasselbalch equation is used to calculate:
  1. A
    The concentration of a buffer
  2. B
    The specific heat of water
  3. C
    The solubility of a solute
  4. D
    The boiling point of water
Question 16Single Answer
Which of the following is a function of buffers in food?
  1. A
    Control the acidity or alkalinity of food
  2. B
    Prevent nutrient loss
  3. C
    Increase moisture content
  4. D
    Enhance flavor
Question 17Single Answer
Which of the following factors influences water activity in food?
  1. A
    Temperature
  2. B
    Humidity
  3. C
    Moisture content
  4. D
    All of the above
Question 18Single Answer
In food chemistry, pH measures:
  1. A
    The concentration of sugars
  2. B
    The concentration of hydrogen ions
  3. C
    The amount of water in food
  4. D
    The degree of fat content
Question 19Single Answer
An acidic pH is characterized by a hydrogen ion concentration:
  1. A
    Greater than 7
  2. B
    Equal to 7
  3. C
    Less than 7
  4. D
    Equal to 14
Question 20Single Answer
Which of the following is an example of an acidic food?
  1. A
    Milk
  2. B
    Lemon juice
  3. C
    Potato
  4. D
    Eggplant
Question 21Single Answer
The function of water in hydration is mainly to:
  1. A
    Absorb heat from the body
  2. B
    Increase body temperature
  3. C
    Regulate body temperature and transport nutrients
  4. D
    Increase fat metabolism
Question 22Single Answer
Hydrogen bonding in water leads to:
  1. A
    High surface tension
  2. B
    Low surface tension
  3. C
    Poor solubility of solutes
  4. D
    High boiling point
Question 23Single Answer
Which of the following buffers is commonly found in food systems?
  1. A
    Sodium bicarbonate
  2. B
    Citric acid
  3. C
    Phosphoric acid
  4. D
    All of the above
Question 24Single Answer
In terms of food chemistry, water activity refers to:
  1. A
    The ratio of the vapor pressure of water in food to the vapor pressure of pure water
  2. B
    The moisture content of food
  3. C
    The total amount of water in food
  4. D
    The amount of salt in food
Question 25Single Answer
What is the role of osmosis in food processing?
  1. A
    Increasing temperature
  2. B
    Removing moisture
  3. C
    Regulating flavor
  4. D
    Ensuring uniform texture
Question 26Single Answer
The acid-base balance in foods is crucial for:
  1. A
    Preserving the taste
  2. B
    Maintaining nutritional content
  3. C
    Preventing spoilage and ensuring proper texture
  4. D
    Reducing the calorie content
Question 27Single Answer
What does pH measure in food products?
  1. A
    The concentration of carbohydrates
  2. B
    The concentration of proteins
  3. C
    The acidity or alkalinity of a food
  4. D
    The moisture content of food
Question 28Single Answer
Which of the following is the typical pH range for most foods?
  1. A
    1-3
  2. B
    4-6
  3. C
    6-8
  4. D
    9-12
Question 29Single Answer
Which of the following is a typical property of food colloids?
  1. A
    They form crystalline structures
  2. B
    They exhibit a uniform appearance
  3. C
    They scatter light
  4. D
    They evaporate quickly
Question 30Single Answer
What is the primary characteristic of carbohydrates?
  1. A
    They are primarily composed of carbon and hydrogen
  2. B
    They contain only carbon
  3. C
    They are nitrogen-rich compounds
  4. D
    They contain oxygen and sulfur
Question 31Single Answer
Which of the following is a monosaccharide?
  1. A
    Maltose
  2. B
    Sucrose
  3. C
    Glucose
  4. D
    Lactose
Question 32Single Answer
Which method is commonly used to classify carbohydrates?
  1. A
    Based on their boiling point
  2. B
    Based on the number of sugar units
  3. C
    Based on their color
  4. D
    Based on their molecular weight
Question 33Single Answer
Which of the following is a disaccharide?
  1. A
    Glucose
  2. B
    Sucrose
  3. C
    Fructose
  4. D
    Galactose
Question 34Single Answer
The glycosidic bond connects which components in a disaccharide?
  1. A
    Two amino acids
  2. B
    Two monosaccharides
  3. C
    A monosaccharide and a lipid
  4. D
    Two nucleotides
Question 35Single Answer
Which of the following is a polysaccharide?
  1. A
    Lactose
  2. B
    Maltose
  3. C
    Glycogen
  4. D
    Glucose
Question 36Single Answer
Which monosaccharide is the building block of starch?
  1. A
    Fructose
  2. B
    Glucose
  3. C
    Galactose
  4. D
    Ribose
Question 37Single Answer
Which of the following is a chemical property of carbohydrates?
  1. A
    Ability to undergo acid hydrolysis
  2. B
    Ability to undergo combustion without oxygen
  3. C
    Ability to form proteins
  4. D
    Ability to form lipids
Question 38Single Answer
Which is the basic structural unit of carbohydrates?
  1. A
    Amino acid
  2. B
    Fatty acid
  3. C
    Monosaccharide
  4. D
    Nucleotide
Question 39Single Answer
Which of the following is an example of a reducing sugar?
  1. A
    Sucrose
  2. B
    Glucose
  3. C
    Starch
  4. D
    Cellulose
Question 40Single Answer
How is a disaccharide formed?
  1. A
    By linking two fatty acids
  2. B
    By linking two amino acids
  3. C
    By linking two monosaccharides
  4. D
    By linking two nucleotides
Question 41Single Answer
Which monosaccharide is commonly found in milk?
  1. A
    Glucose
  2. B
    Sucrose
  3. C
    Galactose
  4. D
    Fructose
Question 42Single Answer
Which is a structural polysaccharide found in plants?
  1. A
    Starch
  2. B
    Glycogen
  3. C
    Cellulose
  4. D
    Chitin
Question 43Single Answer
Which of the following is not a property of monosaccharides?
  1. A
    They are water-soluble
  2. B
    They can be crystalline
  3. C
    They contain a hydroxyl group
  4. D
    They are non-reducing sugars
Question 44Single Answer
What type of bond is present between two glucose molecules in maltose?
  1. A
    Ester bond
  2. B
    Phosphodiester bond
  3. C
    Glycosidic bond
  4. D
    Peptide bond
Question 45Single Answer
Which of the following is a feature of cellulose?
  1. A
    It is a storage form of glucose in animals
  2. B
    It is a highly branched polysaccharide
  3. C
    It is used for structural support in plants
  4. D
    It is a disaccharide
Question 46Single Answer
Which carbohydrate is used by the body as a quick source of energy?
  1. A
    Starch
  2. B
    Glycogen
  3. C
    Cellulose
  4. D
    Chitin
Question 47Single Answer
Which of the following is a chemical reaction in which a disaccharide is broken into monosaccharides?
  1. A
    Dehydration synthesis
  2. B
    Hydrolysis
  3. C
    Fermentation
  4. D
    Condensation
Question 48Single Answer
Which sugar is the main component of sucrose?
  1. A
    Glucose and fructose
  2. B
    Glucose and galactose
  3. C
    Galactose and fructose
  4. D
    Glucose and mannose
Question 49Single Answer
Which is an example of a non-reducing sugar?
  1. A
    Glucose
  2. B
    Fructose
  3. C
    Sucrose
  4. D
    Lactose
Question 50Single Answer
What is the main difference between amylose and amylopectin?
  1. A
    Amylose is linear, while amylopectin is branched
  2. B
    Amylopectin is linear, while amylose is branched
  3. C
    Amylose is found in animals, while amylopectin is found in plants
  4. D
    Amylopectin contains only glucose, while amylose contains other sugars
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