Undergraduate

Q. What is the formula for the complex formed between iron(III) and thiocyanate? (2021)
  • A. [Fe(SCN)3]
  • B. [Fe(SCN)2]
  • C. [Fe(SCN)6]3+
  • D. [Fe(SCN)4]2-
Q. What is the formula for the resonant frequency of an RLC circuit? (2021)
  • A. f = 1/(2π√(LC))
  • B. f = R/(2πL)
  • C. f = 1/(2πRC)
  • D. f = 2π√(LC)
Q. What is the freezing point depression of a solution containing 1 mol of NaCl in 1 kg of water? (Kf for water = 1.86 °C kg/mol) (2023)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 2.00 °C
  • D. 0.93 °C
Q. What is the freezing point depression of a solution containing 1 mole of NaCl in 1 kg of water? (2022)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 2.52 °C
  • D. 0.93 °C
Q. What is the frequency of a pendulum that completes 30 oscillations in 60 seconds? (2017)
  • A. 0.5 Hz
  • B. 1 Hz
  • C. 2 Hz
  • D. 3 Hz
Q. What is the frequency of a sound wave with a period of 0.01 seconds? (2014)
  • A. 100 Hz
  • B. 200 Hz
  • C. 50 Hz
  • D. 10 Hz
Q. What is the frequency of a tuning fork that vibrates 256 times in 2 seconds? (2019)
  • A. 128 Hz
  • B. 256 Hz
  • C. 512 Hz
  • D. 64 Hz
Q. What is the frequency of a wave with a period of 0.01 s? (2020)
  • A. 100 Hz
  • B. 50 Hz
  • C. 200 Hz
  • D. 10 Hz
Q. What is the frequency of a wave with a period of 0.1 s? (2020)
  • A. 10 Hz
  • B. 5 Hz
  • C. 20 Hz
  • D. 15 Hz
Q. What is the frequency of a wave with a period of 0.2 seconds?
  • A. 5 Hz
  • B. 10 Hz
  • C. 20 Hz
  • D. 50 Hz
Q. What is the frequency of a wave with a period of 0.5 seconds? (2019)
  • A. 2 Hz
  • B. 1 Hz
  • C. 0.5 Hz
  • D. 4 Hz
Q. What is the frequency of a wave with a speed of 300 m/s and a wavelength of 3 m? (2023)
  • A. 100 Hz
  • B. 150 Hz
  • C. 200 Hz
  • D. 250 Hz
Q. What is the frequency of a wave with a wavelength of 2 m and a speed of 340 m/s?
  • A. 170 Hz
  • B. 340 Hz
  • C. 85 Hz
  • D. 420 Hz
Q. What is the function of a diode in a circuit? (2020)
  • A. To store energy
  • B. To amplify signals
  • C. To allow current to flow in one direction
  • D. To resist current flow
Q. What is the function of a selectable marker in a cloning vector? (2023)
  • A. To enhance gene expression
  • B. To allow for the identification of successfully transformed cells
  • C. To provide energy for the cell
  • D. To stabilize the DNA
Q. What is the function of chloroplasts? (2023)
  • A. Respiration
  • B. Photosynthesis
  • C. Digestion
  • D. Reproduction
Q. What is the function of DNA polymerase? (2021)
  • A. Synthesizes RNA
  • B. Replicates DNA
  • C. Repairs DNA
  • D. Transcribes DNA
Q. What is the function of lysosomes? (2018)
  • A. Energy production
  • B. Digestion of macromolecules
  • C. Protein synthesis
  • D. Cell division
Q. What is the function of NADP+ in photosynthesis? (2019)
  • A. Energy storage
  • B. Electron carrier
  • C. Carbon fixation
  • D. Light absorption
Q. What is the function of petals in a flower? (2020)
  • A. Support the flower
  • B. Attract pollinators
  • C. Produce ovules
  • D. Store nutrients
Q. What is the function of phosphorus in plants? (2021)
  • A. Energy transfer
  • B. Water absorption
  • C. Cell wall formation
  • D. Photosynthesis
Q. What is the function of ribosomes in a cell? (2023)
  • A. DNA replication
  • B. Protein synthesis
  • C. Energy production
  • D. Cell division
Q. What is the function of sclerenchyma tissue? (2022)
  • A. Storage
  • B. Photosynthesis
  • C. Support and protection
  • D. Transport
Q. What is the function of stomata in plants? (2019)
  • A. Water absorption
  • B. Gas exchange
  • C. Nutrient uptake
  • D. Photosynthesis
Q. What is the function of the autonomic nervous system? (2023)
  • A. To control voluntary muscle movements
  • B. To regulate involuntary bodily functions
  • C. To process sensory information
  • D. To coordinate reflex actions
Q. What is the function of the cell membrane? (2023)
  • A. Energy production
  • B. Transport of substances
  • C. Protein synthesis
  • D. DNA storage
Q. What is the function of the cilia in the respiratory tract? (2021)
  • A. Gas exchange
  • B. Mucus secretion
  • C. Movement of air
  • D. Clearing debris and pathogens
Q. What is the function of the corpus luteum? (2021)
  • A. Produces estrogen
  • B. Produces progesterone
  • C. Produces testosterone
  • D. Produces LH
Q. What is the function of the hormone oxytocin? (2019)
  • A. Stimulate uterine contractions
  • B. Regulate metabolism
  • C. Control blood sugar
  • D. Increase heart rate
Q. What is the function of the nucleus in a cell? (2023)
  • A. Energy production
  • B. Storage of nutrients
  • C. Control center of the cell
  • D. Waste removal
Showing 991 to 1020 of 2215 (74 Pages)
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