Undergraduate

Q. Which of the following is a characteristic of unsaturated hydrocarbons?
  • A. Only single bonds
  • B. Contains double or triple bonds
  • C. Higher boiling points
  • D. Less reactive
Q. Which of the following is a characteristic property of ethers? (2019)
  • A. High boiling point
  • B. Solubility in water
  • C. Low reactivity
  • D. Acidic nature
Q. Which of the following is a characteristic property of noble gases? (2019)
  • A. High reactivity
  • B. Colorless and odorless
  • C. Forming ionic bonds
  • D. High boiling points
Q. Which of the following is a characteristic reaction of phenols? (2021) 2021
  • A. Esterification
  • B. Nitration
  • C. Halogenation
  • D. Hydrogenation
Q. Which of the following is a common analgesic? (2021)
  • A. Ibuprofen
  • B. Aspirin
  • C. Paracetamol
  • D. All of the above
Q. Which of the following is a common application of biotechnology in the food industry? (2020)
  • A. Fermentation
  • B. Genetic modification
  • C. Food preservation
  • D. All of the above
Q. Which of the following is a common application of semiconductors? (2019)
  • A. Light bulbs
  • B. Transistors
  • C. Resistors
  • D. Capacitors
Q. Which of the following is a common emulsifier used in food products? (2022)
  • A. Lecithin
  • B. Sorbitol
  • C. Glycerol
  • D. Glucose
Q. Which of the following is a common ingredient in anti-inflammatory drugs? (2022)
  • A. Ibuprofen
  • B. Acetaminophen
  • C. Aspirin
  • D. All of the above
Q. Which of the following is a common method for producing transgenic plants? (2022)
  • A. Microinjection
  • B. Agrobacterium-mediated transformation
  • C. Somatic cell nuclear transfer
  • D. CRISPR-Cas9
Q. Which of the following is a common oxidation state of iron? (2023)
  • A. +1
  • B. +2
  • C. +3
  • D. +4
Q. Which of the following is a common preservative in food? (2019)
  • A. Sodium benzoate
  • B. Ethanol
  • C. Acetic acid
  • D. Benzene
Q. Which of the following is a common respiratory disease characterized by inflammation of the airways? (2022)
  • A. Asthma
  • B. Pneumonia
  • C. Tuberculosis
  • D. Emphysema
Q. Which of the following is a common source of omega-3 fatty acids? (2022)
  • A. Olive oil
  • B. Fish oil
  • C. Butter
  • D. Coconut oil
Q. Which of the following is a common source of random error? (2023)
  • A. Instrument calibration
  • B. Environmental conditions
  • C. Human reaction time
  • D. Systematic bias
Q. Which of the following is a common symptom of diabetes? (2019)
  • A. Increased thirst
  • B. Skin rash
  • C. Headache
  • D. Nausea
Q. Which of the following is a common symptom of pregnancy? (2020)
  • A. Increased appetite
  • B. Weight loss
  • C. Frequent headaches
  • D. Nausea
Q. Which of the following is a common symptom of sexually transmitted infections? (2019)
  • A. Headache
  • B. Fever
  • C. Unusual discharge
  • D. Nausea
Q. Which of the following is a common symptom of STIs? (2019)
  • A. Headache
  • B. Fever
  • C. Unusual discharge
  • D. Nausea
Q. Which of the following is a common use of caffeine? (2020)
  • A. Pain reliever
  • B. Stimulant
  • C. Antiseptic
  • D. Antibiotic
Q. Which of the following is a common use of glycerol in food? (2021)
  • A. Sweetener
  • B. Preservative
  • C. Thickening agent
  • D. All of the above
Q. Which of the following is a common use of ketones?
  • A. Solvents
  • B. Preservatives
  • C. Fragrances
  • D. All of the above
Q. Which of the following is a common use of phenol? (2022)
  • A. Disinfectant
  • B. Food preservative
  • C. Flavoring agent
  • D. Coloring agent
Q. Which of the following is a common use of probiotics? (2023)
  • A. To treat infections
  • B. To improve gut health
  • C. To cause diseases
  • D. To produce antibiotics
Q. Which of the following is a common use of PVC?
  • A. Clothing
  • B. Pipes
  • C. Food packaging
  • D. Adhesives
Q. Which of the following is a common use of sulfur? (2022)
  • A. Fertilizers
  • B. Explosives
  • C. Rubber production
  • D. All of the above
Q. Which of the following is a common use of transition metals?
  • A. Insulators
  • B. Catalysts
  • C. Noble gases
  • D. Non-metals
Q. Which of the following is a common use of yeast in food production? (2019)
  • A. Making cheese
  • B. Making bread
  • C. Making vinegar
  • D. Making yogurt
Q. Which of the following is a common vector used in gene cloning? (2019)
  • A. Plasmids
  • B. Ribosomes
  • C. Chromosomes
  • D. Nucleotides
Q. Which of the following is a correct expression for electric current? (2022)
  • A. I = V/R
  • B. I = R/V
  • C. I = V × R
  • D. I = V + R
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