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Objective Questions

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

Subjects : Public Health

Question Bank CUET PG Public Health Exam - English
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Public Health

Question 1Single Answer
Which of the following is NOT a prokaryotic cell?
  1. A
    Bacteria
  2. B
    Archaea
  3. C
    Fungi
  4. D
    Cyanobacteria
Question 2Single Answer
Which of the following is the primary function of the cell wall in bacteria?
  1. A
    Protein synthesis
  2. B
    Energy production
  3. C
    Maintaining cell shape and providing structural support
  4. D
    DNA replication
Question 3Single Answer
What is the primary function of ribosomes in a cell?
  1. A
    Cellular respiration
  2. B
    Protein synthesis
  3. C
    Photosynthesis
  4. D
    DNA replication
Question 4Single Answer
Which type of cell contains a true nucleus enclosed by a nuclear membrane?
  1. A
    Prokaryotic cell
  2. B
    Eukaryotic cell
  3. C
    Viral cell
  4. D
    None of the above
Question 5Single Answer
What is the main component of the bacterial cell wall?
  1. A
    Cellulose
  2. B
    Chitin
  3. C
    Peptidoglycan
  4. D
    Silica
Question 6Single Answer
Which type of bacteria retains the crystal violet stain in the Gram staining procedure?
  1. A
    Gram-negative bacteria
  2. B
    Gram-positive bacteria
  3. C
    Acid-fast bacteria
  4. D
    Mycoplasma
Question 7Single Answer
Which of the following is NOT a common bacterial shape?
  1. A
    Coccus (spherical)
  2. B
    Bacillus (rod-shaped)
  3. C
    Spirillum (spiral)
  4. D
    Cuboidal
Question 8Single Answer
What is the process by which bacteria reproduce asexually?
  1. A
    Meiosis
  2. B
    Mitosis
  3. C
    Binary fission
  4. D
    Conjugation
Question 9Single Answer
Which of the following is an example of a bacterial endospore?
  1. A
    Bacillus anthracis
  2. B
    Escherichia coli
  3. C
    Staphylococcus aureus
  4. D
    Streptococcus pneumoniae
Question 10
Which of the following is NOT a characteristic of bacterial growth?
  1. A
    Lag phase
  2. B
    Log phase (exponential phase)
  3. C
    Stationary phase
  4. D
    Decline phase (death phase)
Question 11Single Answer
What is the optimal temperature range for most human pathogens?
  1. A
    0-15°C
  2. B
    15-25°C
  3. C
    25-40°C
  4. D
    40-60°C
Question 12Single Answer
Which of the following is an example of an obligate aerobe?
  1. A
    Mycobacterium tuberculosis
  2. B
    Clostridium tetani
  3. C
    Streptococcus pneumoniae
  4. D
    Staphylococcus aureus
Question 13Single Answer
Which of the following is an example of an obligate anaerobe?
  1. A
    Escherichia coli
  2. B
    Staphylococcus aureus
  3. C
    Clostridium botulinum
  4. D
    Pseudomonas aeruginosa
Question 14Single Answer
What is the process by which bacteria exchange genetic material?
  1. A
    Mitosis
  2. B
    Meiosis
  3. C
    Conjugation
  4. D
    Transcription
Question 15Single Answer
Which of the following is a key enzyme involved in DNA replication?
  1. A
    RNA polymerase
  2. B
    DNA polymerase
  3. C
    Ligase
  4. D
    All of the above
Question 16Single Answer
What is the process of converting DNA into RNA called?
  1. A
    Translation
  2. B
    Transcription
  3. C
    Replication
  4. D
    Mutation
Question 17Single Answer
What is the process of converting RNA into protein called?
  1. A
    Translation
  2. B
    Transcription
  3. C
    Replication
  4. D
    Mutation
Question 18Single Answer
What is the role of tRNA in protein synthesis?
  1. A
    To carry the genetic code from DNA to the ribosome
  2. B
    To bring amino acids to the ribosome for protein assembly
  3. C
    To act as a template for protein synthesis
  4. D
    To regulate gene expression
Question 19Single Answer
What are enzymes?
  1. A
    Proteins that catalyze biochemical reactions
  2. B
    Carbohydrates that provide energy
  3. C
    Lipids that store energy
  4. D
    Nucleic acids that carry genetic information
Question 20Single Answer
What is the active site of an enzyme?
  1. A
    The region of the enzyme that binds to the substrate
  2. B
    The region of the enzyme that is responsible for catalysis
  3. C
    The region of the enzyme that binds to the product
  4. D
    The region of the enzyme that binds to cofactors
Question 21Single Answer
What is the effect of temperature on enzyme activity?
  1. A
    Enzyme activity increases with increasing temperature up to a certain point, then decreases.
  2. B
    Enzyme activity increases linearly with increasing temperature.
  3. C
    Enzyme activity is not affected by temperature.
  4. D
    Enzyme activity decreases with increasing temperature.
Question 22Single Answer
What is the effect of pH on enzyme activity?
  1. A
    Enzymes have a specific pH optimum for maximum activity.
  2. B
    Enzyme activity is not affected by pH.
  3. C
    Enzyme activity increases with increasing pH.
  4. D
    Enzyme activity decreases with increasing pH.
Question 23Single Answer
What are inhibitors?
  1. A
    Substances that increase enzyme activity
  2. B
    Substances that decrease enzyme activity
  3. C
    Substances that are essential for enzyme function
  4. D
    Substances that are produced by enzymes
Question 24Single Answer
What is glycolysis?
  1. A
    The breakdown of glucose to pyruvate
  2. B
    The synthesis of glucose from pyruvate
  3. C
    The breakdown of fatty acids
  4. D
    The synthesis of proteins
Question 25Single Answer
Where does glycolysis occur in the cell?
  1. A
    Mitochondria
  2. B
    Cytoplasm
  3. C
    Nucleus
  4. D
    Endoplasmic reticulum
Question 26Single Answer
What is the Krebs cycle?
  1. A
    A series of chemical reactions that break down glucose to pyruvate
  2. B
    A series of chemical reactions that produce ATP from acetyl-CoA
  3. C
    The process of converting light energy into chemical energy
  4. D
    The process of protein synthesis
Question 27Single Answer
Where does the Krebs cycle occur in eukaryotic cells?
  1. A
    Mitochondria
  2. B
    Cytoplasm
  3. C
    Nucleus
  4. D
    Endoplasmic reticulum
Question 28Single Answer
What is the electron transport chain?
  1. A
    A series of protein complexes that transfer electrons, generating ATP
  2. B
    The process of DNA replication
  3. C
    The process of protein synthesis
  4. D
    The breakdown of glucose to pyruvate
Question 29Single Answer
Where does the electron transport chain occur in eukaryotic cells?
  1. A
    Mitochondria
  2. B
    Cytoplasm
  3. C
    Nucleus
  4. D
    Endoplasmic reticulum
Question 30Single Answer
What is photosynthesis?
  1. A
    The process by which plants convert light energy into chemical energy
  2. B
    The breakdown of glucose to pyruvate
  3. C
    The synthesis of proteins
  4. D
    The process of cellular respiration
Question 31Single Answer
Which pigment is primarily responsible for photosynthesis in plants?
  1. A
    Chlorophyll
  2. B
    Hemoglobin
  3. C
    Cytochrome
  4. D
    Melanin
Question 32Single Answer
What are the two main stages of photosynthesis?
  1. A
    Glycolysis and Krebs cycle
  2. B
    Light-dependent reactions and light-independent reactions (Calvin cycle)
  3. C
    Transcription and translation
  4. D
    Replication and transcription
Question 33Single Answer
What is the primary function of the Calvin cycle?
  1. A
    To convert light energy into chemical energy
  2. B
    To fix carbon dioxide from the atmosphere into organic molecules
  3. C
    To produce ATP
  4. D
    To break down glucose
Question 34Single Answer
What are lipids?
  1. A
    Organic compounds that are insoluble in water
  2. B
    Simple sugars that provide energy
  3. C
    Proteins that catalyze biochemical reactions
  4. D
    Nucleic acids that carry genetic information
Question 35Single Answer
What are the main types of lipids?
  1. A
    Triglycerides, phospholipids, and steroids
  2. B
    Monosaccharides, disaccharides, and polysaccharides
  3. C
    Amino acids, peptides, and proteins
  4. D
    DNA and RNA
Question 36Single Answer
What is the function of triglycerides?
  1. A
    To store energy
  2. B
    To form cell membranes
  3. C
    To act as hormones
  4. D
    To catalyze biochemical reactions
Question 37Single Answer
What is the function of phospholipids?
  1. A
    To store energy
  2. B
    To form cell membranes
  3. C
    To act as hormones
  4. D
    To catalyze biochemical reactions
Question 38Single Answer
What are steroids?
  1. A
    A type of lipid that includes cholesterol and hormones
  2. B
    Proteins that transport oxygen in the blood
  3. C
    Carbohydrates that provide structural support
  4. D
    Nucleic acids that carry genetic information
Question 39Single Answer
What are proteins?
  1. A
    Organic compounds composed of amino acids
  2. B
    Simple sugars that provide energy
  3. C
    Lipids that store energy
  4. D
    Nucleic acids that carry genetic information
Question 40Single Answer
What is the primary function of proteins?
  1. A
    To provide energy
  2. B
    To store energy
  3. C
    To catalyze biochemical reactions (enzymes)
  4. D
    To form cell membranes
Question 41Single Answer
What are the building blocks of proteins?
  1. A
    Nucleotides
  2. B
    Amino acids
  3. C
    Fatty acids
  4. D
    Glucose
Question 42Single Answer
What are nucleic acids?
  1. A
    Organic compounds that carry genetic information
  2. B
    Simple sugars that provide energy
  3. C
    Lipids that store energy
  4. D
    Proteins that catalyze biochemical reactions
Question 43Single Answer
What are the two main types of nucleic acids?
  1. A
    DNA and RNA
  2. B
    Glucose and glycogen
  3. C
    Triglycerides and phospholipids
  4. D
    Amino acids and peptides
Question 44Single Answer
What is the function of DNA?
  1. A
    To carry genetic information
  2. B
    To transfer genetic information from DNA to ribosomes
  3. C
    To catalyze biochemical reactions
  4. D
    To provide energy
Question 45Single Answer
What is the function of RNA?
  1. A
    To carry genetic information from DNA to ribosomes
  2. B
    To store genetic information
  3. C
    To catalyze biochemical reactions
  4. D
    To provide energy
Question 46Single Answer
What are the three main types of RNA?
  1. A
    mRNA, tRNA, and rRNA
  2. B
    DNA, RNA, and protein
  3. C
    Glucose, glycogen, and starch
  4. D
    Triglycerides, phospholipids, and steroids
Question 47Single Answer
What is biotechnology?
  1. A
    The use of living organisms or their products for human benefit
  2. B
    The study of the human body
  3. C
    The study of the environment
  4. D
    The development of new drugs
Question 48Single Answer
What are some applications of biotechnology in healthcare?
  1. A
    Production of vaccines, antibiotics, and gene therapy
  2. B
    Development of new agricultural crops
  3. C
    Environmental cleanup
  4. D
    All of the above
Question 49Single Answer
What is the process of DNA replication called?
  1. A
    Transcription
  2. B
    Translation
  3. C
    Replication
  4. D
    Mutation
Question 50Single Answer
During DNA replication, the two strands of the DNA double helix are separated by which enzyme?
  1. A
    DNA polymerase
  2. B
    Helicase
  3. C
    Ligase
  4. D
    Primase
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