Major Competitive Exams

Q. Which of the following is a consequence of eutrophication?
  • A. Increased biodiversity
  • B. Decreased oxygen levels
  • C. Improved water clarity
  • D. Reduction of algal blooms
Q. Which of the following is a consequence of global warming?
  • A. Rising sea levels
  • B. Increased ice cover
  • C. Decreased temperatures
  • D. None of the above
Q. Which of the following is a consequence of Lenz's law?
  • A. Induced current opposes the change in magnetic flux
  • B. Induced current enhances the change in magnetic flux
  • C. Induced current is always zero
  • D. Induced current is independent of magnetic field
Q. Which of the following is a consequence of Newton's law of gravitation?
  • A. The orbits of planets are elliptical
  • B. Masses repel each other
  • C. Gravitational force is a vector quantity
  • D. All objects fall at the same rate in a vacuum
Q. Which of the following is a consequence of Raoult's Law in a binary solution?
  • A. The total vapor pressure is the sum of the partial pressures.
  • B. The total vapor pressure is always lower than the vapor pressure of the pure solvent.
  • C. The mole fraction of the solute is always greater than that of the solvent.
  • D. The boiling point of the solution is always higher than that of the pure solvent.
Q. Which of the following is a consequence of the law of universal gravitation?
  • A. The orbits of planets are elliptical
  • B. All objects fall at the same rate in a vacuum
  • C. Gravity is a contact force
  • D. Mass does not affect gravitational attraction
Q. Which of the following is a correct application of Ampere's Law?
  • A. Calculating electric field in a capacitor
  • B. Finding the magnetic field in a toroid
  • C. Determining the potential difference across a resistor
  • D. Calculating the energy stored in an inductor
Q. Which of the following is a correct application of Raoult's Law?
  • A. Calculating the boiling point elevation
  • B. Determining the freezing point depression
  • C. Finding the vapor pressure of a solution
  • D. Measuring the solubility of a gas in a liquid
Q. Which of the following is a correct expression for Gibbs Free Energy?
  • A. ΔG = ΔH + TΔS
  • B. ΔG = ΔH - TΔS
  • C. ΔG = TΔS - ΔH
  • D. ΔG = ΔS - ΔH
Q. Which of the following is a correct representation of significant figures?
  • A. 0.00450
  • B. 4500
  • C. 0.0450
  • D. 4500.0
Q. Which of the following is a correct statement about the law of conservation of mass?
  • A. Mass can be created
  • B. Mass can be destroyed
  • C. Mass is conserved in a chemical reaction
  • D. Mass changes in a physical change
Q. Which of the following is a correct unit for concentration?
  • A. Molarity
  • B. Molality
  • C. Mass percent
  • D. All of the above
Q. Which of the following is a correct unit for Gibbs Free Energy?
  • A. Joules per mole (J/mol)
  • B. Kilojoules (kJ)
  • C. Calories (cal)
  • D. All of the above
Q. Which of the following is a correct unit for molality?
  • A. mol/L
  • B. mol/kg
  • C. mol/mL
  • D. mol/1000g
Q. Which of the following is a derivative of benzene?
  • A. Ethylene
  • B. Acetylene
  • C. Phenol
  • D. Propylene
Q. Which of the following is a derivative of carboxylic acid?
  • A. Alcohol
  • B. Aldehyde
  • C. Ester
  • D. Alkane
Q. Which of the following is a derived unit?
  • A. Meter
  • B. Kilogram
  • C. Second
  • D. Newton
Q. Which of the following is a dicarboxylic acid?
  • A. Acetic acid
  • B. Oxalic acid
  • C. Formic acid
  • D. Butanoic acid
Q. Which of the following is a disaccharide?
  • A. Fructose
  • B. Maltose
  • C. Glucose
  • D. Glycogen
Q. Which of the following is a disadvantage of frequency modulation (FM) compared to amplitude modulation (AM)?
  • A. Higher bandwidth requirement
  • B. More susceptible to noise
  • C. Lower fidelity
  • D. Easier to demodulate
Q. Which of the following is a disadvantage of Frequency Modulation (FM)?
  • A. Less bandwidth
  • B. More noise immunity
  • C. Complex receiver design
  • D. Simple implementation
Q. Which of the following is a family of exponential curves?
  • A. y = e^x
  • B. y = x^2
  • C. y = log(x)
  • D. y = sin(x)
Q. Which of the following is a function of carbohydrates?
  • A. Energy source
  • B. Hormone production
  • C. Genetic coding
  • D. Cell membrane structure
Q. Which of the following is a function of lipids?
  • A. Energy storage
  • B. Catalysis
  • C. Genetic information
  • D. Structural support
Q. Which of the following is a function of proteins in the body?
  • A. Energy storage
  • B. Hormonal regulation
  • C. Transport of molecules
  • D. All of the above
Q. Which of the following is a function of proteins?
  • A. Energy storage
  • B. Hormonal regulation
  • C. Genetic information
  • D. Cell membrane structure
Q. Which of the following is a good conductor of heat?
  • A. Wood
  • B. Plastic
  • C. Copper
  • D. Glass
Q. Which of the following is a heavy metal that can cause environmental pollution?
  • A. Iron
  • B. Lead
  • C. Calcium
  • D. Sodium
Q. Which of the following is a heavy metal that poses environmental hazards?
  • A. Sodium
  • B. Calcium
  • C. Lead
  • D. Potassium
Q. Which of the following is a hydrogen compound that acts as a reducing agent?
  • A. H2O
  • B. H2S
  • C. HCl
  • D. H2O2
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