Major Competitive Exams
Q. Which of the following is not a property of hydrogen?
A.
Colorless
B.
Odorless
C.
Highly soluble in water
D.
Lightest element
Show solution
Solution
Hydrogen is not highly soluble in water; it is actually sparingly soluble.
Correct Answer: C — Highly soluble in water
Learn More →
Q. Which of the following is not a property of ionic compounds?
A.
High melting point
B.
Electrical conductivity in solid state
C.
Solubility in water
D.
Brittleness
Show solution
Solution
Ionic compounds do not conduct electricity in solid state; they conduct when molten or dissolved.
Correct Answer: B — Electrical conductivity in solid state
Learn More →
Q. Which of the following is NOT a property of metals? (2021)
A.
Good electrical conductivity
B.
Brittleness
C.
Malleability
D.
Ductility
Show solution
Solution
Brittleness is not a property of metals; they are typically malleable and ductile.
Correct Answer: B — Brittleness
Learn More →
Q. Which of the following is not a property of nitrogen? (2023)
A.
Colorless gas
B.
Odorless
C.
Supports combustion
D.
Diatomic molecule
Show solution
Solution
Nitrogen is colorless, odorless, and diatomic, but it does not support combustion.
Correct Answer: C — Supports combustion
Learn More →
Q. Which of the following is NOT a property of polymers?
A.
High strength
B.
Low density
C.
Brittleness
D.
Corrosion resistance
Show solution
Solution
Brittleness is generally not a property of polymers; they are usually more flexible.
Correct Answer: C — Brittleness
Learn More →
Q. Which of the following is not a property of transition metals?
A.
Catalytic activity
B.
Formation of complex ions
C.
High ionization energy
D.
Low density
Show solution
Solution
Transition metals generally have high density, not low density.
Correct Answer: D — Low density
Learn More →
Q. Which of the following is NOT a sexually transmitted disease? (2020)
A.
Syphilis
B.
Gonorrhea
C.
Hepatitis B
D.
Tuberculosis
Show solution
Solution
Tuberculosis is primarily a respiratory disease and is not classified as a sexually transmitted disease.
Correct Answer: D — Tuberculosis
Learn More →
Q. Which of the following is NOT a sexually transmitted infection? (2020)
A.
HIV
B.
Syphilis
C.
Tuberculosis
D.
Gonorrhea
Show solution
Solution
Tuberculosis is not a sexually transmitted infection; it is primarily a respiratory disease.
Correct Answer: C — Tuberculosis
Learn More →
Q. Which of the following is NOT a stage of cellular respiration? (2021)
A.
Glycolysis
B.
Krebs cycle
C.
Electron transport chain
D.
Calvin cycle
Show solution
Solution
The Calvin cycle is part of photosynthesis, not cellular respiration.
Correct Answer: D — Calvin cycle
Learn More →
Q. Which of the following is NOT a stage of the cell cycle? (2019)
A.
Interphase
B.
Prophase
C.
Cytokinesis
D.
Synthesis
Show solution
Solution
Synthesis is not a stage of the cell cycle; it refers to the S phase where DNA is replicated.
Correct Answer: D — Synthesis
Learn More →
Q. Which of the following is not a state function?
A.
Enthalpy
B.
Internal Energy
C.
Heat
D.
Gibbs Free Energy
Show solution
Solution
Heat is not a state function; it depends on the path taken during a process.
Correct Answer: C — Heat
Learn More →
Q. Which of the following is not a state of matter?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
Show solution
Solution
All listed options are states of matter; however, 'Plasma' is often considered a fourth state, while 'Bose-Einstein condensate' is another state not listed.
Correct Answer: D — Plasma
Learn More →
Q. Which of the following is NOT a step in the process of gene cloning? (2020)
A.
Isolation of DNA
B.
Transformation
C.
Transcription
D.
Insertion of DNA into a vector
Show solution
Solution
Transcription is the process of synthesizing RNA from DNA, which is not a step in gene cloning.
Correct Answer: C — Transcription
Learn More →
Q. Which of the following is not a subset of {a, b, c}?
A.
{a}
B.
{b, c}
C.
{a, b, c}
D.
{d}
Show solution
Solution
The set {d} does not contain any elements from {a, b, c}, so it is not a subset.
Correct Answer: D — {d}
Learn More →
Q. Which of the following is not a transition metal?
A.
Iron
B.
Zinc
C.
Copper
D.
Nickel
Show solution
Solution
Zinc is not considered a transition metal because it does not have an incomplete d subshell in its elemental state.
Correct Answer: B — Zinc
Learn More →
Q. Which of the following is NOT a type of adsorption isotherm?
A.
Langmuir
B.
Freundlich
C.
BET
D.
Henry
Show solution
Solution
Henry's law describes solubility, not adsorption, while Langmuir, Freundlich, and BET are types of adsorption isotherms.
Correct Answer: D — Henry
Learn More →
Q. Which of the following is NOT a type of connective tissue? (2023)
A.
Blood
B.
Bone
C.
Cartilage
D.
Epithelial
Show solution
Solution
Epithelial tissue is not a type of connective tissue; it serves as a protective layer and is distinct from connective tissues.
Correct Answer: D — Epithelial
Learn More →
Q. Which of the following is NOT a type of digital modulation?
A.
Amplitude Shift Keying (ASK)
B.
Frequency Shift Keying (FSK)
C.
Phase Shift Keying (PSK)
D.
Continuous Wave Modulation (CWM)
Show solution
Solution
Continuous Wave Modulation (CWM) is not a type of digital modulation; it refers to analog modulation techniques.
Correct Answer: D — Continuous Wave Modulation (CWM)
Learn More →
Q. Which of the following is NOT a type of elastic deformation?
A.
Tensile deformation
B.
Compressive deformation
C.
Shear deformation
D.
Plastic deformation
Show solution
Solution
Plastic deformation is not elastic; it is permanent deformation that occurs beyond the elastic limit.
Correct Answer: D — Plastic deformation
Learn More →
Q. Which of the following is NOT a type of inheritance pattern? (2021)
A.
Incomplete dominance
B.
Codominance
C.
Polygenic inheritance
D.
Transgenic inheritance
Show solution
Solution
Transgenic inheritance is not a recognized pattern of inheritance; it refers to organisms that have been genetically modified.
Correct Answer: D — Transgenic inheritance
Learn More →
Q. Which of the following is NOT a type of isomerism?
A.
Geometric isomerism
B.
Optical isomerism
C.
Hydrogen isomerism
D.
Structural isomerism
Show solution
Solution
Hydrogen isomerism is not a recognized type of isomerism in chemistry.
Correct Answer: C — Hydrogen isomerism
Learn More →
Q. Which of the following is NOT a type of modulus of elasticity?
A.
Young's modulus
B.
Shear modulus
C.
Bulk modulus
D.
Tensile modulus
Show solution
Solution
Tensile modulus is not a standard term; the correct terms are Young's modulus, shear modulus, and bulk modulus.
Correct Answer: D — Tensile modulus
Learn More →
Q. Which of the following is NOT a type of simple permanent tissue? (2019)
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Xylem
Show solution
Solution
Xylem is a complex tissue, while parenchyma, collenchyma, and sclerenchyma are types of simple permanent tissues.
Correct Answer: D — Xylem
Learn More →
Q. Which of the following is NOT a type of stress?
A.
Tensile stress
B.
Compressive stress
C.
Shear stress
D.
Thermal stress
Show solution
Solution
Thermal stress is a result of temperature changes, while tensile, compressive, and shear stresses are types of mechanical stress.
Correct Answer: D — Thermal stress
Learn More →
Q. Which of the following is NOT a unit of power?
A.
Horsepower
B.
Kilowatt
C.
Joule
D.
Watt
Show solution
Solution
Joule is a unit of energy, not power. Power is measured in Watts, Kilowatts, and Horsepower.
Correct Answer: C — Joule
Learn More →
Q. Which of the following is NOT a use of a potentiometer?
A.
Measuring emf of a cell.
B.
Comparing emf of two cells.
C.
Measuring resistance directly.
D.
Calibrating voltmeters.
Show solution
Solution
A potentiometer is not used for direct resistance measurement; it is primarily used for voltage measurements.
Correct Answer: C — Measuring resistance directly.
Learn More →
Q. Which of the following is NOT a use of microbes in human welfare? (2023)
A.
Bioremediation
B.
Food production
C.
Genetic engineering
D.
Causing infections
Show solution
Solution
Causing infections is not a beneficial use of microbes; it is a harmful effect.
Correct Answer: D — Causing infections
Learn More →
Q. Which of the following is not an alkali metal?
A.
Lithium
B.
Sodium
C.
Calcium
D.
Potassium
Show solution
Solution
Calcium is not an alkali metal; it is an alkaline earth metal.
Correct Answer: C — Calcium
Learn More →
Q. Which of the following is NOT an aromatic compound?
A.
Naphthalene
B.
Benzene
C.
Cyclooctatetraene
D.
Anthracene
Show solution
Solution
Cyclooctatetraene is not aromatic because it does not satisfy Huckel's rule; it is non-planar and does not have a continuous overlap of p-orbitals.
Correct Answer: C — Cyclooctatetraene
Learn More →
Q. Which of the following is not an assumption of the kinetic molecular theory?
A.
Gas particles are in constant motion
B.
Gas particles have no volume
C.
Gas particles attract each other
D.
Collisions between gas particles are elastic
Show solution
Solution
The kinetic molecular theory assumes that gas particles do not attract or repel each other.
Correct Answer: C — Gas particles attract each other
Learn More →
Showing 11971 to 12000 of 12915 (431 Pages)