Download AppGovt. JobsFree G.K. & Current AffairsScholarshipBlog
Free PracticeContact
📚 Exam by Category
▾
Objective Questions

Latest CUET PG Biochemistry Exam Question (Objective Questions), MCQ in English

Subjects : Biochemistry

Question Bank CUET PG Biochemistry Exam - English
Back to Exam

Biochemistry

Question 1Single Answer
Which of the following best describes the scope of biochemistry?
  1. A
    Study of chemical reactions in test tubes
  2. B
    Investigation of all chemical processes occurring within living organisms
  3. C
    Analysis of plant cell walls
  4. D
    Identification of new elements
Question 2Single Answer
Biochemistry primarily deals with:
  1. A
    Physical laws governing the universe
  2. B
    Chemical processes in living systems
  3. C
    Geological formations
  4. D
    Astronomical events
Question 3Single Answer
Which element is the most abundant by mass in living organisms?
  1. A
    Nitrogen
  2. B
    Carbon
  3. C
    Hydrogen
  4. D
    Oxygen
Question 4Single Answer
Carbon's importance in biomolecules is primarily due to its:
  1. A
    High reactivity
  2. B
    Ability to form four covalent bonds
  3. C
    Abundance in the atmosphere
  4. D
    Metallic properties
Question 5Single Answer
The primary structure of a protein refers to its:
  1. A
    Three-dimensional shape
  2. B
    Amino acid sequence
  3. C
    Folding patterns
  4. D
    Interaction with other proteins
Question 6Single Answer
Nucleic acids are polymers of:
  1. A
    Amino acids
  2. B
    Nucleotides
  3. C
    Fatty acids
  4. D
    Sugars
Question 7Single Answer
The 'mole' is a unit of:
  1. A
    Mass
  2. B
    Volume
  3. C
    Amount of substance
  4. D
    Concentration
Question 8Single Answer
Molarity is defined as:
  1. A
    Moles of solute per liter of solution
  2. B
    Grams of solute per liter of solution
  3. C
    Moles of solute per kilogram of solvent
  4. D
    Grams of solute per kilogram of solvent
Question 9Single Answer
Mole fraction is:
  1. A
    Moles of one component divided by total moles of all components
  2. B
    Moles of solute divided by liters of solution
  3. C
    Grams of solute divided by grams of solvent
  4. D
    Volume of solute divided by volume of solution
Question 10Single Answer
Which of the following elements is essential for the formation of disulfide bonds in proteins?
  1. A
    Carbon
  2. B
    Sulfur
  3. C
    Nitrogen
  4. D
    Oxygen
Question 11Single Answer
Hydrophobic interactions in biomolecules are primarily driven by:
  1. A
    Attraction between polar molecules
  2. B
    Repulsion of water by nonpolar molecules
  3. C
    Hydrogen bonding
  4. D
    Ionic interactions
Question 12Single Answer
Which of the following is a polar amino acid?
  1. A
    Alanine
  2. B
    Valine
  3. C
    Serine
  4. D
    Phenylalanine
Question 13Single Answer
Which of the following is a nonpolar amino acid?
  1. A
    Glutamic acid
  2. B
    Lysine
  3. C
    Leucine
  4. D
    Aspartic acid
Question 14Single Answer
The secondary structure of a protein refers to:
  1. A
    The sequence of amino acids
  2. B
    Local folding patterns like alpha-helices and beta-sheets
  3. C
    The overall three-dimensional shape
  4. D
    The interaction with other protein subunits
Question 15Single Answer
Tertiary structure of a protein is stabilized by:
  1. A
    Peptide bonds
  2. B
    Hydrogen bonds, hydrophobic interactions, ionic bonds, and disulfide bonds
  3. C
    Only covalent bonds
  4. D
    Only hydrogen bonds
Question 16Single Answer
Quaternary structure of a protein refers to:
  1. A
    The sequence of amino acids
  2. B
    Local folding patterns
  3. C
    The overall three-dimensional shape of a single polypeptide chain
  4. D
    The arrangement of multiple polypeptide chains
Question 17Single Answer
Enzymes are primarily:
  1. A
    Carbohydrates
  2. B
    Lipids
  3. C
    Proteins
  4. D
    Nucleic acids
Question 18Single Answer
Starch is a polymer of:
  1. A
    Glucose
  2. B
    Fructose
  3. C
    Galactose
  4. D
    Mannose
Question 19Single Answer
Cellulose is a polymer of:
  1. A
    Glucose
  2. B
    Fructose
  3. C
    Galactose
  4. D
    Mannose
Question 20Single Answer
Glycogen is a storage form of:
  1. A
    Glucose in animals
  2. B
    Glucose in plants
  3. C
    Fructose in animals
  4. D
    Fructose in plants
Question 21Single Answer
Unsaturated fatty acids contain:
  1. A
    Only single bonds
  2. B
    Double bonds
  3. C
    Triple bonds
  4. D
    No bonds
Question 22Single Answer
Phospholipids are major components of:
  1. A
    Cell walls
  2. B
    Cell membranes
  3. C
    Ribosomes
  4. D
    Mitochondria
Question 23Single Answer
Steroids are derived from:
  1. A
    Fatty acids
  2. B
    Cholesterol
  3. C
    Amino acids
  4. D
    Carbohydrates
Question 24Single Answer
Nucleotides are composed of:
  1. A
    Amino acids, sugars, and phosphate groups
  2. B
    Sugars, phosphate groups, and nitrogenous bases
  3. C
    Fatty acids, glycerol, and phosphate groups
  4. D
    Sugars, lipids, and nitrogenous bases
Question 25Single Answer
DNA contains which of the following bases?
  1. A
    Adenine, guanine, cytosine, and uracil
  2. B
    Adenine, guanine, cytosine, and thymine
  3. C
    Adenine, guanine, uracil, and thymine
  4. D
    Uracil, thymine, cytosine, and guanine
Question 26Single Answer
RNA contains which of the following bases?
  1. A
    Adenine, guanine, cytosine, and uracil
  2. B
    Adenine, guanine, cytosine, and thymine
  3. C
    Adenine, guanine, uracil, and thymine
  4. D
    Uracil, thymine, cytosine, and guanine
Question 27Single Answer
The sugar in DNA is:
  1. A
    Ribose
  2. B
    Deoxyribose
  3. C
    Glucose
  4. D
    Fructose
Question 28Single Answer
The sugar in RNA is:
  1. A
    Ribose
  2. B
    Deoxyribose
  3. C
    Glucose
  4. D
    Fructose
Question 29Single Answer
Hydrogen bonds are:
  1. A
    Strong covalent bonds
  2. B
    Weak non-covalent bonds
  3. C
    Ionic bonds
  4. D
    Metallic bonds
Question 30Single Answer
Ionic bonds are formed by:
  1. A
    Sharing of electrons
  2. B
    Transfer of electrons
  3. C
    Hydrogen bonding
  4. D
    Hydrophobic interactions
Question 31Single Answer
Which of the following represents a polar molecule?
  1. A
    Methane (CH4)
  2. B
    Carbon dioxide (CO2)
  3. C
    Water (H2O)
  4. D
    Oxygen (O2)
Question 32Single Answer
Which of the following represents a nonpolar molecule?
  1. A
    Ammonia (NH3)
  2. B
    Water (H2O)
  3. C
    Methane (CH4)
  4. D
    Ethanol (C2H5OH)
Question 33Single Answer
The pH scale measures:
  1. A
    Acidity and basicity
  2. B
    Temperature
  3. C
    Pressure
  4. D
    Concentration
Question 34Single Answer
A solution with a pH of 7 is considered:
  1. A
    Acidic
  2. B
    Basic
  3. C
    Neutral
  4. D
    Amphoteric
Question 35Single Answer
A solution with a pH less than 7 is considered:
  1. A
    Acidic
  2. B
    Basic
  3. C
    Neutral
  4. D
    Amphoteric
Question 36Single Answer
A solution with a pH greater than 7 is considered:
  1. A
    Acidic
  2. B
    Basic
  3. C
    Neutral
  4. D
    Amphoteric
Question 37Single Answer
Buffers are substances that:
  1. A
    Resist changes in pH
  2. B
    Increase changes in pH
  3. C
    Have no effect on pH
  4. D
    Lower the pH
Question 38Single Answer
Which of the following is a common buffer system in blood?
  1. A
    Phosphate buffer system
  2. B
    Bicarbonate buffer system
  3. C
    Tris buffer system
  4. D
    Citrate buffer system
Question 39Single Answer
Which of the following is an example of a trace element essential for life?
  1. A
    Carbon
  2. B
    Hydrogen
  3. C
    Iron
  4. D
    Oxygen
Question 40Single Answer
Which of the following best describes the role of water in biochemical reactions?
  1. A
    It acts as a solvent.
  2. B
    It participates directly in some reactions.
  3. C
    It helps maintain the shape of biomolecules.
  4. D
    All of the above.
Question 41Single Answer
What is the primary role of carbohydrates in living organisms?
  1. A
    Storing and transferring genetic information
  2. B
    Providing energy and structural support
  3. C
    Catalyzing biochemical reactions
  4. D
    Forming cell membranes
Question 42Single Answer
Which of the following is NOT a function of lipids?
  1. A
    Energy storage
  2. B
    Insulation
  3. C
    Enzyme catalysis
  4. D
    Cell membrane structure
Question 43Single Answer
What is the central dogma of molecular biology?
  1. A
    DNA -> RNA -> Protein
  2. B
    Protein -> RNA -> DNA
  3. C
    RNA -> DNA -> Protein
  4. D
    DNA -> Protein -> RNA
Question 44Single Answer
Which of the following is NOT a type of RNA?
  1. A
    mRNA
  2. B
    tRNA
  3. C
    rRNA
  4. D
    dRNA
Question 45Single Answer
What is the role of ATP in cells?
  1. A
    Storing genetic information
  2. B
    Providing energy for cellular processes
  3. C
    Catalyzing biochemical reactions
  4. D
    Building cell structures
Question 46Single Answer
Water's unique properties as a solvent are primarily due to its:
  1. A
    Nonpolar nature
  2. B
    Ability to form hydrogen bonds
  3. C
    High density
  4. D
    Low boiling point
Question 47Single Answer
Water's high surface tension is a consequence of:
  1. A
    Covalent bonds
  2. B
    Hydrogen bonds
  3. C
    Ionic bonds
  4. D
    Van der Waals forces
Question 48Single Answer
Water's ability to moderate temperature is due to its:
  1. A
    Low specific heat
  2. B
    High specific heat
  3. C
    Low heat of vaporization
  4. D
    High heat of fusion
Question 49Single Answer
Hydrophobic molecules are:
  1. A
    Water-loving
  2. B
    Water-fearing
  3. C
    Polar
  4. D
    Charged
Question 50Single Answer
Hydrophilic molecules are:
  1. A
    Water-fearing
  2. B
    Water-loving
  3. C
    Nonpolar
  4. D
    Uncharged
Important Questions Package

CUET PG Biochemistry Exam Online Question Bank Package

Buy CUET PG Biochemistry Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in CUET PG Biochemistry question bank 2026 in Online, PDF & Print study material.

+ Free Monthly Current Affairs, GK & more PDF Download
Sr.Package NameAmount
1.CUET PG Biochemistry Exam - Hindi
Description : 1000 Question with Answer
₹61 [₹500]
2.CUET PG Biochemistry Exam - Hindi
Description : 1330 Question with Answer
₹71 [₹500]
3.CUET PG Biochemistry Exam - English
Description : 1000 Question With Answer
₹101 [₹500]
4.CUET PG Biochemistry Exam - English
Description : 1600 Question With Answer
₹131 [₹500]
5.CUET PG Biochemistry Exam - Hindi
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
6.CUET PG Biochemistry Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151 [₹450]
7.CUET PG Biochemistry Exam Question Bank Book - Hindi
Description : 1000 Question with Answer (Printed Material)
₹450 [₹800]
8.CUET PG Biochemistry Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
Back to Exam
Question for CUET PG Biochemistry 2027 - Quiz / Questions / MCQ - Toppersexam