Undergraduate

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Q. Which plant hormone is primarily involved in the response to stress conditions? (2023)
  • A. Auxins
  • B. Gibberellins
  • C. Abscisic acid
  • D. Cytokinins
Q. Which plant hormone is primarily responsible for apical dominance? (2023)
  • A. Auxins
  • B. Cytokinins
  • C. Gibberellins
  • D. Ethylene
Q. Which polymer is commonly used in 3D printing?
  • A. PLA
  • B. PVC
  • C. Nylon
  • D. Polyethylene
Q. Which polymer is commonly used in the production of fibers for clothing? (2020)
  • A. Polyethylene
  • B. Nylon
  • C. Polystyrene
  • D. Polyvinyl acetate
Q. Which polymer is commonly used in the production of non-stick cookware? (2023)
  • A. Polyethylene
  • B. Polytetrafluoroethylene (PTFE)
  • C. Polypropylene
  • D. Polyvinyl chloride (PVC)
Q. Which polymer is commonly used in the production of synthetic fibers? (2023)
  • A. Polyethylene
  • B. Nylon
  • C. Polystyrene
  • D. Polyvinyl acetate
Q. Which polymer is known for its high resistance to heat?
  • A. Polyethylene
  • B. Teflon
  • C. Polypropylene
  • D. PVC
Q. Which principle states that the pressure exerted on a confined fluid is transmitted undiminished in all directions?
  • A. Archimedes' Principle
  • B. Pascal's Principle
  • C. Bernoulli's Principle
  • D. Hydrostatic Principle
Q. Which principle states that the pressure in a fluid decreases as the fluid's velocity increases? (2022)
  • A. Bernoulli's Principle
  • B. Archimedes' Principle
  • C. Pascal's Principle
  • D. Hydrostatic Principle
Q. Which process do plants use to convert sunlight into energy? (2022)
  • A. Cellular respiration
  • B. Photosynthesis
  • C. Fermentation
  • D. Transpiration
Q. Which process is primarily responsible for the movement of water in plants? (2020)
  • A. Diffusion
  • B. Osmosis
  • C. Active transport
  • D. Transpiration
Q. Which process is responsible for the movement of water across a semi-permeable membrane? (2020)
  • A. Diffusion
  • B. Osmosis
  • C. Active transport
  • D. Facilitated diffusion
Q. Which process is responsible for the movement of water across a semipermeable membrane? (2020)
  • A. Diffusion
  • B. Osmosis
  • C. Active transport
  • D. Facilitated diffusion
Q. Which process is used by cells to obtain energy from glucose? (2022)
  • A. Photosynthesis
  • B. Fermentation
  • C. Cellular respiration
  • D. Transpiration
Q. Which property of a material describes its ability to return to its original shape after deformation? (2023)
  • A. Plasticity
  • B. Elasticity
  • C. Ductility
  • D. Brittleness
Q. Which property of fluids is defined as the resistance to flow?
  • A. Density
  • B. Viscosity
  • C. Pressure
  • D. Surface Tension
Q. Which protein forms the thick filaments in muscle fibers? (2020)
  • A. A. Actin
  • B. B. Myosin
  • C. C. Tropomyosin
  • D. D. Troponin
Q. Which protein is primarily responsible for muscle contraction? (2019)
  • A. Actin
  • B. Myosin
  • C. Tropomyosin
  • D. Troponin
Q. Which quantum number describes the orientation of an orbital? (2020) 2020
  • A. Principal quantum number
  • B. Azimuthal quantum number
  • C. Magnetic quantum number
  • D. Spin quantum number
Q. Which quantum number is not required to describe the electron in an atom? (2019)
  • A. Principal quantum number
  • B. Azimuthal quantum number
  • C. Magnetic quantum number
  • D. Color quantum number
Q. Which reaction is characteristic of alcohols? (2020)
  • A. Dehydration
  • B. Hydrogenation
  • C. Halogenation
  • D. Oxidation
Q. Which reaction is characteristic of carboxylic acids? (2021)
  • A. Esterification
  • B. Hydrogenation
  • C. Halogenation
  • D. Dehydration
Q. Which reaction is used to prepare amines from alkyl halides? (2020)
  • A. Nitration
  • B. Hydrogenation
  • C. Nucleophilic substitution
  • D. Electrophilic substitution
Q. Which reaction is used to prepare amines from alkyl halides? (2020) 2020
  • A. Hydrogenation
  • B. Nucleophilic substitution
  • C. Electrophilic substitution
  • D. Dehydrohalogenation
Q. Which reaction is used to prepare amines from nitriles? (2020)
  • A. Hydrogenation
  • B. Reduction
  • C. Alkylation
  • D. Dehydration
Q. Which reaction is used to prepare carboxylic acids from alcohols? (2020)
  • A. Oxidation
  • B. Reduction
  • C. Hydrolysis
  • D. Dehydration
Q. Which reaction is used to prepare primary amines from alkyl halides? (2022)
  • A. Reduction
  • B. Hydrolysis
  • C. Nucleophilic substitution
  • D. Dehydrohalogenation
Q. Which reagent can be used to convert an alkyl halide to an alcohol?
  • A. H2O
  • B. NaOH
  • C. KBr
  • D. HCl
Q. Which reagent is commonly used to test for the presence of phenols?
  • A. Bromine water
  • B. Sodium dichromate
  • C. Fehling's solution
  • D. Tollens' reagent
Q. Which reagent is used to convert an alcohol into an alkyl halide? (2022)
  • A. PCl5
  • B. NaBH4
  • C. LiAlH4
  • D. H2SO4
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