Major Competitive Exams

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Q. Which of the following is a consequence of riverbank erosion?
  • A. Increased sedimentation
  • B. Loss of agricultural land
  • C. Altered river flow
  • D. All of the above
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 conversion of the decimal number 10 into binary? (2023)
  • A. 1010
  • B. 1001
  • C. 1100
  • D. 1110
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 interpretation of the y-intercept in the linear equation y = mx + b?
  • 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 a quadratic polynomial?
  • A. x^2 + 2x + 1
  • B. x^3 + 3x^2 + 3x + 1
  • C. 2x + 3
  • D. x^4 - x^2 + 1
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 10?
  • A. It must end in 0
  • B. It must be a multiple of 5
  • C. It must be even
  • D. It must be a prime number
Q. Which of the following is a correct statement about divisibility by 11?
  • A. The difference between the sum of the digits in odd positions and even positions must be 0
  • B. The number must be even
  • C. The last digit must be 1
  • D. The sum of the digits must be divisible by 11
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
Q. Which of the following is a defining feature of the phylum Mollusca? (2023)
  • A. Jointed legs
  • B. Soft-bodied with a hard shell
  • C. Radial symmetry
  • D. Presence of a notochord
Q. Which of the following is a defining feature of the phylum Nematoda? (2019)
  • A. Segmented body
  • B. Presence of a shell
  • C. Round body shape
  • D. Radial symmetry
Q. Which of the following is a density-dependent factor affecting population growth? (2019)
  • A. Natural disasters
  • B. Food availability
  • C. Climate
  • D. Habitat destruction
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