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 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 carboxylic acids? (2021)
  • A. Esterification
  • B. Hydrogenation
  • C. Halogenation
  • 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 is used to convert an alcohol into an alkyl halide? (2022)
  • A. PCl5
  • B. NaBH4
  • C. LiAlH4
  • D. H2SO4
Q. Which reagent is used to convert an amine to an amide? (2023)
  • A. Acid chloride
  • B. Alcohol
  • C. Aldehyde
  • D. Ketone
Q. Which respiratory process occurs in the alveoli? (2023)
  • A. Inhalation
  • B. Exhalation
  • C. Gas exchange
  • D. Ventilation
Q. Which scientist is known for the discovery of the structure of DNA? (2017)
  • A. Gregor Mendel
  • B. James Watson
  • C. Francis Crick
  • D. Both James Watson and Francis Crick
Q. Which scientist is known for the double helix model of DNA? (2017)
  • A. Gregor Mendel
  • B. James Watson
  • C. Francis Crick
  • D. Rosalind Franklin
Q. Which scientist is known for the structure of DNA? (2017)
  • A. Gregor Mendel
  • B. James Watson
  • C. Francis Crick
  • D. Both James Watson and Francis Crick
Q. Which scientist is known for the theory of inheritance of acquired characteristics?
  • A. Darwin
  • B. Mendel
  • C. Lamarck
  • D. Wallace
Q. Which scientist is known for the theory of punctuated equilibrium? (1972)
  • A. Charles Darwin
  • B. Stephen Jay Gould
  • C. Jean-Baptiste Lamarck
  • D. Gregor Mendel
Q. Which state of matter has the highest density under normal conditions? (2023)
  • A. Gas
  • B. Liquid
  • C. Solid
  • D. Plasma
Q. Which structure connects muscle to bone? (2022)
  • A. Ligament
  • B. Tendon
  • C. Cartilage
  • D. Fascia
Q. Which structure connects muscles to bones? (2022)
  • A. Ligaments
  • B. Tendons
  • C. Cartilage
  • D. Fascia
Q. Which structure connects the ovaries to the uterus? (2020)
  • A. Vagina
  • B. Cervix
  • C. Fallopian tubes
  • D. Endometrium
Q. Which structure develops into a seed after fertilization? (2023)
  • A. Ovary
  • B. Stigma
  • C. Style
  • D. Anther
Q. Which structure in plants is primarily responsible for the uptake of water? (2021)
  • A. Stomata
  • B. Root hairs
  • C. Xylem vessels
  • D. Phloem tubes
Q. Which structure in the female reproductive system is responsible for the production of eggs? (2022)
  • A. Uterus
  • B. Ovary
  • C. Fallopian tube
  • D. Vagina
Q. Which structure in the female reproductive system is responsible for the release of eggs? (2022)
  • A. Ovary
  • B. Uterus
  • C. Fallopian tube
  • D. Vagina
Q. Which structure in the flower contains the ovules? (2019)
  • A. Anther
  • B. Filament
  • C. Ovary
  • D. Style
Q. Which structure in the flower contains the pollen grains? (2019)
  • A. Ovary
  • B. Style
  • C. Anther
  • D. Stigma
Q. Which structure in the flower develops into seeds after fertilization? (2023)
  • A. Ovary
  • B. Stigma
  • C. Anther
  • D. Filament
Q. Which structure in the flower is responsible for producing ovules? (2023)
  • A. Anther
  • B. Ovary
  • C. Filament
  • D. Stigma
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