Q. Which alkaline earth metal is used in fireworks for producing a red flame?
  • A. Beryllium
  • B. Magnesium
  • C. Calcium
  • D. Strontium
Q. Which alkaline earth metal is used in the production of fireworks?
  • A. Calcium
  • B. Strontium
  • C. Barium
  • D. Magnesium
Q. Which alkane is used as a fuel in lighters?
  • A. Methane
  • B. Ethane
  • C. Butane
  • D. Propane
Q. Which alkane is used as a refrigerant?
  • A. Methane
  • B. Ethane
  • C. Propane
  • D. Butane
Q. Which amine is expected to have the highest boiling point?
  • A. Methylamine
  • B. Ethylamine
  • C. Dimethylamine
  • D. Trimethylamine
Q. Which amine is known for its strong fishy odor?
  • A. Methylamine
  • B. Ethylamine
  • C. Trimethylamine
  • D. Aniline
Q. Which amine is most likely to undergo electrophilic aromatic substitution?
  • A. Aniline
  • B. Methylamine
  • C. Dimethylamine
  • D. Triethylamine
Q. Which amine is most soluble in water?
  • A. Triethylamine
  • B. Methylamine
  • C. Aniline
  • D. Benzylamine
Q. Which amine is used as a local anesthetic?
  • A. Lidocaine
  • B. Aniline
  • C. Methylamine
  • D. Ethylamine
Q. Which amine is used as a solvent in organic reactions?
  • A. Aniline
  • B. Triethylamine
  • C. Methylamine
  • D. Pyridine
Q. Which biomolecule carries genetic information?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily involved in cell membrane structure?
  • A. Carbohydrates
  • B. Proteins
  • C. Nucleic acids
  • D. Lipids
Q. Which biomolecule is primarily involved in energy transfer within cells?
  • A. DNA
  • B. RNA
  • C. ATP
  • D. Proteins
Q. Which biomolecule is primarily involved in genetic information storage?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for energy storage in animals?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for storing genetic information?
  • A. Proteins
  • B. Lipids
  • C. Carbohydrates
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for the genetic information in cells?
  • A. Proteins
  • B. Lipids
  • C. Nucleic acids
  • D. Carbohydrates
Q. Which biomolecule is primarily responsible for the storage of genetic information?
  • A. Proteins
  • B. Lipids
  • C. Nucleic acids
  • D. Carbohydrates
Q. Which biomolecule is primarily responsible for the structure of cell membranes?
  • A. Proteins
  • B. Carbohydrates
  • C. Nucleic acids
  • D. Lipids
Q. Which biomolecule is used for energy storage in animals?
  • A. Glycogen
  • B. Cellulose
  • C. Starch
  • D. Chitin
Q. Which biomolecule is used for quick energy?
  • A. Proteins
  • B. Lipids
  • C. Carbohydrates
  • D. Nucleic acids
Q. Which biomolecule serves as the main component of cell membranes?
  • A. Proteins
  • B. Carbohydrates
  • C. Nucleic acids
  • D. Phospholipids
Q. Which bond is primarily responsible for the secondary structure of proteins?
  • A. Ionic bonds
  • B. Hydrogen bonds
  • C. Disulfide bonds
  • D. Peptide bonds
Q. Which carbohydrate is a structural component of plant cell walls?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Fructose
Q. Which carbohydrate is commonly used as a sweetener?
  • A. Lactose
  • B. Maltose
  • C. Fructose
  • D. Cellulose
Q. Which carbohydrate is found in milk?
  • A. Lactose
  • B. Maltose
  • C. Glucose
  • D. Fructose
Q. Which carbohydrate is found in the structure of DNA?
  • A. Glucose
  • B. Ribose
  • C. Fructose
  • D. Mannose
Q. Which carbohydrate is known as blood sugar?
  • A. Galactose
  • B. Fructose
  • C. Glucose
  • D. Ribose
Q. Which carbohydrate is primarily stored in animal liver and muscle?
  • A. Cellulose
  • B. Starch
  • C. Glycogen
  • D. Fructose
Q. Which chemical compound is primarily responsible for ozone depletion?
  • A. CFCs
  • B. CO2
  • C. SO2
  • D. NOx
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