Major Competitive Exams

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Q. Which of the following is a consequence of a trade deficit? (2019)
  • A. Increased foreign investment
  • B. Decreased national debt
  • C. Depreciation of the national currency
  • D. Increased exports
Q. Which of the following is a consequence of acid rain?
  • A. Soil degradation
  • B. Increased biodiversity
  • C. Improved crop yield
  • D. None of the above
Q. Which of the following is a consequence of deforestation? (2020)
  • A. Increased biodiversity
  • B. Soil erosion
  • C. Improved air quality
  • D. Increased rainfall
Q. Which of the following is a consequence of eutrophication in water bodies?
  • A. Increased biodiversity
  • B. Decreased oxygen levels
  • C. Improved water clarity
  • D. Reduced algal growth
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 consequence of urbanization on physical geography?
  • A. Increased biodiversity
  • B. Urban heat island effect
  • C. Improved air quality
  • D. Enhanced natural habitats
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 application of the Binomial Theorem?
  • A. Finding the roots of a polynomial.
  • B. Calculating the area under a curve.
  • C. Expanding (x + 1)^n for any integer n.
  • D. Solving differential equations.
Q. Which of the following is a correct application of the divisibility rule for 11?
  • A. The difference between the sum of the digits in odd positions and the sum of the digits in even positions must be divisible by 11
  • B. The last digit must be 1
  • C. The number must be even
  • D. The sum of the digits must be 11
Q. Which of the following is a correct example of binomial nomenclature? (2022)
  • A. Homo sapiens
  • B. Homo Sapiens
  • C. Homo-sapiens
  • D. Homo sapiens species
Q. Which of the following is a correct expression for electric current? (2022)
  • A. I = V/R
  • B. I = R/V
  • C. I = V × R
  • D. I = V + R
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 interpretation of the y-intercept in the equation of a line?
  • A. It is the value of y when x is zero.
  • B. It is the value of x when y is zero.
  • C. It represents the slope of the line.
  • D. It indicates the maximum value of y.
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 divisibility by 7?
  • A. A number must end in 7
  • B. Double the last digit and subtract it from the rest
  • C. The sum of the digits must be divisible by 7
  • D. A number must be a multiple of 14
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 cyclic hydrocarbon? (2019)
  • A. Cyclohexane
  • B. Hexane
  • C. Octane
  • D. Decane
Q. Which of the following is a defining characteristic of life? (2019)
  • A. Ability to move
  • B. Ability to reproduce
  • C. Ability to grow
  • D. Ability to think
Q. Which of the following is a defining characteristic of the phylum Annelida? (2023)
  • A. Body divided into segments
  • B. Presence of a shell
  • C. Radial symmetry
  • D. Jointed appendages
Q. Which of the following is a defining feature of the kingdom Animalia? (2022)
  • A. Cell walls
  • B. Autotrophic nutrition
  • C. Multicellular and heterotrophic
  • D. Chlorophyll
Q. Which of the following is a defining feature of the phylum Annelida? (2023)
  • A. Body divided into segments
  • B. Presence of a shell
  • C. Radial symmetry
  • D. Jointed appendages
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