Major Competitive Exams

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Q. What is the primary application of recombinant DNA technology in medicine? (2020)
  • A. Production of insulin
  • B. Gene therapy
  • C. Vaccines
  • D. All of the above
Q. What is the primary argument made by the author regarding economic inequalities?
  • A. They are the most significant type of inequality.
  • B. They can be addressed through education.
  • C. They are often ignored in policy discussions.
  • D. They are a result of individual choices.
Q. What is the primary argument presented in the passage regarding climate change?
  • A. Climate change is a natural phenomenon.
  • B. Human activities are the main cause of climate change.
  • C. Climate change has no significant impact on biodiversity.
  • D. The effects of climate change are reversible.
Q. What is the primary assumption of the kinetic theory of gases regarding the motion of gas molecules?
  • A. Gas molecules are stationary.
  • B. Gas molecules move in straight lines until they collide.
  • C. Gas molecules are always in a state of vibration.
  • D. Gas molecules have a fixed volume.
Q. What is the primary basis for the classification of living organisms? (2020)
  • A. Habitat
  • B. Morphology
  • C. Genetic similarity
  • D. Size
Q. What is the primary benefit of using probiotics? (2023)
  • A. To cure diseases
  • B. To enhance gut health
  • C. To increase appetite
  • D. To reduce weight
Q. What is the primary bond type in polymers?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Metallic bonds
  • D. Hydrogen bonds
Q. What is the primary cause of a zero error? (2019)
  • A. Instrument wear and tear
  • B. Incorrect calibration
  • C. Environmental factors
  • D. User error
Q. What is the primary cause of AIDS? (2020)
  • A. Bacteria
  • B. Virus
  • C. Fungi
  • D. Protozoa
Q. What is the primary cause of biodiversity loss worldwide? (2020)
  • A. Climate change
  • B. Habitat destruction
  • C. Pollution
  • D. Overexploitation
Q. What is the primary cause of buoyancy in fluids?
  • A. Surface tension
  • B. Pressure difference
  • C. Viscosity
  • D. Density
Q. What is the primary cause of capillary action in liquids?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of global warming?
  • A. Deforestation
  • B. Greenhouse gas emissions
  • C. Ozone depletion
  • D. Acid rain
Q. What is the primary cause of ocean acidification?
  • A. Plastic pollution
  • B. Increased CO2 absorption
  • C. Heavy metal contamination
  • D. Thermal pollution
Q. What is the primary cause of ocean currents?
  • A. Wind patterns
  • B. Earth's rotation
  • C. Temperature differences
  • D. Salinity differences
Q. What is the primary cause of surface tension in liquids?
  • A. Cohesive forces
  • B. Adhesive forces
  • C. Gravitational forces
  • D. Electromagnetic forces
Q. What is the primary cause of the greenhouse effect?
  • A. Ozone depletion
  • B. Increased solar radiation
  • C. Trapping of heat by greenhouse gases
  • D. Deforestation
Q. What is the primary cause of the phenomenon known as capillarity?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of the phenomenon of buoyancy?
  • A. Surface tension
  • B. Pressure difference
  • C. Viscosity
  • D. Density
Q. What is the primary cause of the phenomenon of capillarity?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of tides on Earth? (2019)
  • A. Wind
  • B. Earth's rotation
  • C. Gravitational pull of the moon
  • D. Ocean currents
Q. What is the primary cause of tuberculosis? (2020)
  • A. Bacteria
  • B. Virus
  • C. Fungi
  • D. Protozoa
Q. What is the primary cause of viscosity in fluids?
  • A. Molecular interactions
  • B. Temperature
  • C. Pressure
  • D. Density
Q. What is the primary characteristic of a K-selected species? (2023)
  • A. High reproductive rate
  • B. Short lifespan
  • C. High parental care
  • D. Rapid growth
Q. What is the primary characteristic of a redox reaction? (2023)
  • A. Transfer of protons
  • B. Transfer of electrons
  • C. Change in temperature
  • D. Change in pressure
Q. What is the primary characteristic of adsorption? (2023)
  • A. It is a bulk phenomenon.
  • B. It involves a chemical reaction.
  • C. It is a surface phenomenon.
  • D. It requires high temperature.
Q. What is the primary characteristic of alkaline earth metals? (2020)
  • A. They are highly reactive
  • B. They have a +2 oxidation state
  • C. They are gases at room temperature
  • D. They form covalent bonds
Q. What is the primary characteristic of amorphous solids? (2023)
  • A. Long-range order
  • B. Short-range order
  • C. Definite melting point
  • D. High thermal conductivity
Q. What is the primary characteristic of Baroque art that emerged in the 17th century?
  • A. Emphasis on emotion and movement
  • B. Use of geometric shapes
  • C. Focus on minimalism
  • D. Incorporation of abstract forms
Q. What is the primary characteristic of gases compared to solids and liquids? (2023)
  • A. Definite shape
  • B. Definite volume
  • C. High compressibility
  • D. Low density
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